                           RECOMMENDED FOR FULL-TEXT PUBLICATION
                                Pursuant to Sixth Circuit Rule 206
                                       File Name: 05a0445p.06

                    UNITED STATES COURT OF APPEALS
                                   FOR THE SIXTH CIRCUIT
                                     _________________


                                                     X
                                                      -
 KENNETH D. WIDGREN, JR. and KENNETH D.

                             Plaintiffs-Appellants, -
 WIDGREN, SR.,
                                                      -
                                                      -
                                                          No. 04-2189

                                                      ,
          v.                                           >
                                                      -
                                                      -
                                                      -
 MAPLE GROVE TOWNSHIP; H. WAYNE BELDO;

                            Defendants-Appellees. -
 LOUIS LENZ, JR.,

                                                      -
                                                     N
                       Appeal from the United States District Court
                  for the Western District of Michigan at Grand Rapids.
                    No. 04-00098—Richard A. Enslen, District Judge.
                                 Submitted: November 10, 2005
                            Decided and Filed: November 17, 2005
                  Before: MERRITT, MOORE, and SUTTON, Circuit Judges.
                                       _________________
                                           COUNSEL
ON BRIEF: William L. Henn, SMITH, HAUGHEY, RICE & ROEGGE, Grand Rapids, Michigan,
for Appellees. Kenneth D. Widgren, Jr., Warren, Michigan, Kenneth D. Widgren, Sr., Hazel Park,
Michigan, pro se.
                                       _________________
                                           OPINION
                                       _________________
        MERRITT, Circuit Judge. This case presents the question whether certain housing code and
property tax inspections of the exterior of a house within the “curtilage” in a remote rural setting
constitute a “search” within the meaning of the Fourth Amendment. Balancing a number of factors
regarding the Widgrens’ reasonable expectation of privacy, we hold that the intrusions at issue are
not Fourth Amendment searches, and we affirm the District Court’s judgment in favor of the
defendants on the parties’ cross-motions for summary judgment.




                                                 1
No. 04-2189                Widgren, et al. v. Maple Grove Township, et al.                                       Page 2


                                                        I. Factual Background
        Plaintiff Kenneth Widgren, Sr., solely owns twenty acres of largely undeveloped land in
Maple Grove Township, Michigan.1 Densely populated trees, hills and thick overgrowth cover
much of the grounds. In May or June of 2002, Mr. Widgren, Sr., began construction of a house in
the middle of his rectangularly shaped lot and weather-sealed the structure later that year. By the
spring of 2003, the area immediately surrounding the house was cleared, routinely mowed and a
clear line marked the perimeter of the mowed portion. The cleared area, which was not enclosed
by a fence, contained a fire pit, pruned trees and a picnic table, but no other noticeable landscaping
or improvements.
         Over one thousand feet of dirt driveway wind through “swampy and thick” terrain, a row of
pine trees and a rye field, and connect the house to Puustinen Road, the sole public access to the
Widgren property. At the mouth of the driveway stands a metal gate, twenty feet long by three feet
high, that displays multiple “No Trespassing” signs, one of which warns “federal officers of the IRS,
HEW, HUD, environmental, health, and other unconstitutional agencies” as well as “all local
members of planning & zoning boards” of a $5,000 per person land use fee. The house, which also
stores various personal belongings of the son of Mr. Widgren, Sr., co-plaintiff Kenneth Widgren,
Jr., can be plainly seen only from two vantage points outside the property - from the adjoining parcel
to the south and from the air.
         The Widgrens did not obtain a building permit for the construction of the house. In the
spring of 2003, defendants Louis Lenz, Jr., the zoning administrator of Maple Grove Township, and
H. Wayne Beldo, the Township tax assessor, entered the property a total of three times to confirm
the zoning violation, to post a civil infraction on the front door of the house, and to conduct a tax
assessment through observation of the exterior of the house. Once the Widgrens learned of the three
visits, each of which is discussed below in more detail, the father and son brought suit in the U.S.
District Court for the Western District of Michigan, alleging various violations of federal and state
law. Both the Widgrens and the defendants moved for partial summary judgment on the Fourth
Amendment claims filed pursuant to 42 U.S.C. § 1983. Relying on the “open fields” doctrine, the
District Court granted the defendants’ motion and held that no Fourth Amendment violation
occurred. The District Court then denied the Widgrens’ motion, and, with only state law claims
remaining, dismissed the state law claims without prejudice pursuant to 28 U.S.C. § 1367(c)(3).
                                                     II. Analysis
                                       A. Applicable General Principles
        The Fourth Amendment provides that “[t]he right of the people to be secure in their persons,
houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and
[that] no Warrants shall issue, but upon probable cause . . . .” U.S. Const. amend. IV (emphasis
added). The Fourth Amendment’s protections hinge on the occurrence of a “search,” a legal term
of art whose history is riddled with complexity. See Kyllo v. United States, 533 U.S. 27, 32 (2001)
(discussing “when a search is not a search”). A search is defined in terms of a person’s “reasonable
expectation of privacy” and is analyzed under a two-part test first penned in Katz v. United States,
389 U.S. 347 (1967): (1) “has the individual manifested a subjective expectation of privacy in the
object of the challenged search?” and (2) “is society willing to recognize that expectation as
reasonable?” California v. Ciraolo, 476 U.S. 207, 211 (1986).




       1
           The facts set forth below are taken in the light most favorable to the plaintiffs. See Fed. R. Civ. P. 56(c).
No. 04-2189           Widgren, et al. v. Maple Grove Township, et al.                         Page 3


        The second prong of the Katz test generally addresses two considerations. The first focuses
on “what a person had an expectation of privacy in, for example, a home, office, phone booth or
airplane.” Dow Chemical Co. v. United States, 749 F.2d 307, 312 (6th Cir. 1984), aff’d, 476 U.S.
227 (1986) (emphasis in original); see also Oliver v. United States, 466 U.S. 170, 178 (1984) (noting
“our societal understanding that certain areas deserve the most scrupulous protection from
government invasion”); United States v. White, 401 U.S. 745, 786 (1971) (Harlan, J., dissenting)
(assessing “the individual’s sense of security”); Wayne R. LaFave, 1 Search and Seizure: A Treatise
on the Fourth Amendment § 2.1(d) (4th ed. 2004). This inquiry centers on “whether the human
relationships that normally exist at the place inspected are based on intimacy, confidentiality, trust
or solitude and hence give rise to a ‘reasonable’ expectation of privacy.” Dow Chemical Co., 749
F.2d at 312.
         The second consideration examines “what the person wanted to protect his privacy from, for
example, non-family members, non-employees of a firm, strangers passing by on the street or flying
overhead in airplanes.” Id. (emphasis in original); see also Oliver, 466 U.S. at 178 (discussing
“government invasion” and “arbitrary government interference”); White, 401 U.S. at 762 (asking
whether, in a particular situation, “self-restraint by law enforcement officials [is] an inadequate
protection”); cf. Kyllo, 533 U.S. at 34 (addressing the limits of the “power of technology to shrink
the realm of guaranteed privacy”); Olmstead v. United States, 277 U.S. 438, 474 (1928) (Brandeis,
J., dissenting) (warning of “[t]he progress of science in furnishing the government with means of
espionage”). This inquiry, therefore, focuses on the government intrusion at issue.
        Other relevant factors in applying Katz’s second prong include “the intention of the Framers
of the Fourth Amendment” and “the uses to which the individual has put a location.” Oliver, 466
U.S. at 178.
         While applying these considerations to Katz’ second prong to determine whether “society
[is] willing to recognize that expectation as reasonable,” the Supreme Court has drawn some bright
line rules concerning the home, the curtilage, and open fields. These three doctrines converge in this
case and are all discussed below.
                                   B. Application of Principles
       The Widgrens claim that the defendants conducted three separate searches in violation of the
Fourth Amendment. We address each instance individually.
                                     1. The Initial Inspection
        While driving on Sedlar Road in late March of 2003, Mr. Lenz, the Township’s zoning
administrator, apparently observed a reflection from the roof or window of the Widgrens’ house.
Unsure what he had seen but confident that no land use permit had been issued for a house there,
Mr. Lenz parked on Puustinen Road and advanced up the Widgrens’ driveway past the metal gate
and “No Trespassing” signs until he came within 200 feet of the house, which, for the first time, was
clearly visible. Not having entered the cleared area , Mr. Lenz returned to the Township offices to
confirm that no land use permit had been issued for the Widgren property. He then promptly
informed Mr. Widgren, Sr., by letter of the violation of the Township’s zoning ordinance.
        Mr. Lenz’ observations here, occurring in the open fields, did not constitute a Fourth
Amendment search. No reasonable expectation of privacy exists in “open fields.” Oliver, 466 U.S.
at 177. The term “open fields” is somewhat of a misnomer in that “[a]n open field need be neither
‘open’ nor a ‘field’” and “may include any unoccupied or undeveloped area outside of the curtilage.”
Id. at 180 n.11. “[T]here is no constitutional difference between police observations conducted
while in a public place and while standing in the open fields.” United States v. Dunn, 480 U.S. 294,
304 (1987). Moreover, “[i]n the case of open fields, the general rights of property protected by the
No. 04-2189                Widgren, et al. v. Maple Grove Township, et al.                                         Page 4


common law of trespass have little or no relevance to the applicability of the Fourth Amendment.”
Oliver, 466 U.S. at 183-84. The presence of “No Trespassing” signs, furthermore, does not
transform the open fields into an area where an expectation of privacy is necessarily reasonable. See
id. at 179, 183 n.13.
       In Dunn, relying on the open fields doctrine, the Supreme Court declined to equate much
more intrusive government conduct than that involved here with a Fourth Amendment violation:
         It follows that no constitutional violation occurred here when the officers crossed
         over respondent’s ranch-style perimeter fence, and over several similarly constructed
         interior fences, prior to stopping at the locked front gate of the barn . . . [T]he officers
         never entered the barn, nor did they enter any other structure on respondent’s
         premises. Once at their vantage point, they merely stood, outside the curtilage of the
         house and in the open fields upon which the barn was constructed, and peered into
         the barn’s open front. And, standing as they were in the open fields, the Constitution
         did not forbid them to observe the phenylacetone laboratory located in respondent’s
         barn . . . Here, the officers’ use of the beam of a flashlight, directed through the
         essentially open front of respondent’s barn, did not transform their observations into
         an unreasonable search within the meaning of the Fourth Amendment.
Dunn, 480 U.S. at 304-05. Accordingly, Mr. Lenz’ conduct in his initial visit to the Widgren
property, while perhaps a trespass, was not a search under the Fourth Amendment.
                                             2. The Second Inspection
         Mr. Lenz revisited the Widgren property several weeks later, on April 17, 2003, to post a
civil infraction on the front door of the house.2 This intrusion was not a Fourth Amendment search
because, under any definition, no search of any kind occurred. A search generally implies looking
“over or through for the purpose of finding something.” Kyllo, 533 U.S. at 33 n.1 (quoting Noah
Webster, An American Dictionary of the English Language 66 (6th ed.1989) (1828)). According
to one court, a search may occur even where the officer was not intentionally looking for something,
so long as “the objective effect of his actions” infringed a reasonable expectation of privacy. United
States v. Maple, 348 F.3d 260, 263 (D.C. Cir. 2003) (quoting Bond v. United States, 529 U.S. 334,
338 n.2 (2000)).
        In Artes-Roy v. City of Aspen, 31 F.3d 958 (10th Cir. 1994), the Tenth Circuit addressed a
situation similar to the case at bar and found no Fourth Amendment violation. The plaintiff in that
case obtained a building permit for home renovations but subsequently failed to comply with related
documentation requirements. The building inspector then issued a stop work order. After noting
ongoing construction at the site, the inspector informed the plaintiff that all work had to stop. When
his directions went unheeded, he and his supervisor entered the plaintiff’s home to notify the
workers of the stop work order. The plaintiff brought an action pursuant to 42 U.S.C. § 1983
alleging that the defendants’ actions violated the Fourth Amendment. The Tenth Circuit rejected
the plaintiff’s claim:
         [T]here does not appear to be any search or seizure, thus no violation of the Fourth
         Amendment. For purposes of this appeal we assume Lyman himself pushed open the
         door to the premises and stepped into the entryway without any proper consent.


         2
           On that visit, Mr. Lenz also brought the state building inspector, who is not a party to this action, to show him
the house’s location. The record is too undeveloped on the nature and activities of the state inspector on the property
for us to address whether Mr. Lenz’s act of leading the state inspector to the Widgren property implicates the Fourth
Amendment.
No. 04-2189           Widgren, et al. v. Maple Grove Township, et al.                              Page 5


       Lyman was not on the premises to inspect for a violation of the building code; he and
       the inspector had already seen what they considered violations of the stop work
       order, from outside the premises. It seems clear Lyman did not intend to make any
       arrest on the premises . . . To issue a citation, of course, is not to make an arrest . .
       . Thus, Lyman did not enter plaintiff’s home for either a search or a seizure . . .
       Lyman had a right to approach plaintiff’s home to talk to her when he observed from
       the street workers violating the stop work order . . . Lyman’s intrusion was minimal,
       even if he was more than one foot inside the entryway. It is clear he was not there
       to inspect or to take into physical custody any person or property. In these
       circumstances, we hold there was no Fourth Amendment violation.
Artes-Roy, 31 F.3d at 962 (internal citations omitted).
       In the instant situation as in Artes-Roy, objectively speaking, nothing was looked for and
nothing was found, except the existence of a structure. Mr. Lenz merely posted a citation in his
capacity as the Township’s zoning administrator and did not seek to discover incriminating
evidence. Moreover, the intrusion here was even more minimal than in Artes-Roy because Mr. Lenz
never set foot in the house. In his second visit to the Widgren property, Mr. Lenz, therefore, did not
conduct a Fourth Amendment search.
                                  3. The “Curtilage” Inspection
       The intrusion of Mr. Beldo, the Township’s assessor, presents a more difficult question.
Around the time of Mr. Lenz’ initial visit, he told Mr. Beldo about the house. Mr. Beldo examined
Township records to confirm the lack of a land use permit and may have reviewed an aerial
photograph that appeared to depict the house. Mr. Beldo then drove along Puustinen Road to the
Widgren property. Upon reading the “No Trespassing” signs, he drove onto the neighboring
property to the south and exited his truck. While still on the neighboring property, he observed the
Widgren house. He then walked onto the Widgren property towards the plainly visible house where
no one appeared to be home. He observed the house’s exterior, measured it by counting the
foundation cement blocks, and took a photograph of the house. While ascertaining its dimensions,
Mr. Beldo entered the cleared area but came no closer than four to six feet from the house and did
not look into or enter the house. After conducting his assessment, he promptly left and sent Mr.
Widgren, Sr., a letter informing him of the assessment.
        Pursuant to our above discussion of Dunn and the initial visit of Mr. Lenz, Mr. Beldo’s
naked-eye observations of the house’s exterior from the neighboring property and from the open
fields within the Widgren property for tax assessment purposes are not Fourth Amendment searches.
A closer question, however, is whether Mr. Beldo’s observation of the house that occurred within
the cleared area constitute a Fourth Amendment search. The parties dispute whether any curtilage
existed around the house, and, accordingly, whether Mr. Beldo entered curtilage. The Widgrens
point to the modest improvements to the land surrounding the house, while the defendants claim that
the cleared area is simply too undeveloped to constitute curtilage.
        In United States v. Dunn, 480 U.S. 294 (1987), the Supreme Court described the contours
of the Fourth Amendment’s protections in “curtilage,” the area immediately surrounding a home that
“harbors the ‘intimate activity associated with the ‘sanctity of a man’s home and the privacies of
life.’” Dunn, 480 U.S. at 300 (quoting Oliver, 466 U.S. at 180). The Dunn court established four
factors for determining whether an area is a home’s curtilage:
       [1] the proximity of the area claimed to be curtilage to the home, [2] whether the area
       is included within an enclosure surrounding the home, [3] the nature of the uses to
No. 04-2189           Widgren, et al. v. Maple Grove Township, et al.                             Page 6


        which the area is put, and [4] the steps taken by the resident to protect the area from
        observation by people passing by.
Id. at 301.
         Applying these factors to the facts taken in the light most favorable to the plaintiffs, we
conclude that the cleared area immediately surrounding the house constituted curtilage. First, the
area at issue here lay within immediate proximity to the house, only four to six feet away, unlike the
area in Dunn that was located sixty yards from the house. Second, although the area was not within
an enclosure, a clear line marked the mowed portion from the surrounding area that had not been
cleared. Third, the cleared area had apparently been used for “the activities and privacies of
domestic life” manifested by the presence of a picnic table, a fire pit, and pruned trees. See Dunn,
480 U.S. at 303. Fourth, the Widgrens maintained a metal gate and “No Trespassing” signs to
protect the area from observation by people passing by; although these measures may not have been
enough in a more urban environment, errecting a fence likely would have added little privacy in this
remote rural location.
       Our analysis does not end with a finding of curtilage. The Supreme Court has concluded that
the Fourth Amendment does not absolutely bar all government encroachment upon the curtilage:
        That the area is within the curtilage does not itself bar all police observation. The
        Fourth Amendment protection of the home has never been extended to require law
        enforcement officers to shield their eyes when passing by a home on public
        thoroughfares. Nor does the mere fact that an individual has taken measures to
        restrict some views of his activities preclude an officer’s observations from a public
        vantage point where he has a right to be and which renders the activities clearly
        visible.
California v. Ciraolo, 476 U.S. 207, 213 (1986).
        In addition, as noted above, a Fourth Amendment search occurs only where a reasonable
expectation of privacy exists under Katz’s two part test. First, we assume without deciding that the
Widgrens had a subjective expectation of privacy in the naked-eye observation of their house’s
exterior from within the curtilage for tax assessment purposes. Second, we now address whether
this expectation was one society recognizes as reasonable. To do so, we examine both what Justice
Harlan called the “individual’s sense of security,” United States v. White, 401 U.S. 745, 786 (1971)
(Harlan, J., dissenting), and the government intrusion at issue.
        Here, the sense of security or “what a person had an expectation of privacy in,” Dow
Chemical Co., 749 F.2d at 312, was, in the words of the defendants, “the plainly visible attributes
and dimensions of the exterior of their home.” “At the very core [of the Fourth Amendment] stands
the right of a man to retreat into his own home and there be free from unreasonable governmental
intrusion.” Silverman v. United States, 365 U.S. 505, 511 (1961), quoted in Kyllo v. United States,
533 U.S. 27, 31 (2001) (emphasis added). On the other hand, “the lawfulness of warrantless visual
surveillance of a home has still been preserved,” and “visual observation is no ‘search’ at all.”
Kyllo, 533 U.S. at 32. In short, “the Fourth Amendment has drawn a firm line at the entrance to the
house” so that, “[a]bsent exigent circumstances, that threshold may not reasonably be crossed
without a warrant.” Payton v. New York, 445 U.S. 573, 590 (1980). This “distinction of
constitutional magnitude” between a house’s interior and exterior is firmly rooted in the text of the
Fourth Amendment, “which guarantees the right of people ‘to be secure in their . . . houses’ against
unreasonable searches and seizures.” Kyllo, 533 U.S. at 41, 43 (Stevens, J., dissenting) (emphasis
in original) (distinguishing between “off-the-wall” and “through-the-wall” surveillance); see also
United States v. United States Dist. Court, 407 U.S. 297, 313 (1972) (noting that the “physical entry
No. 04-2189           Widgren, et al. v. Maple Grove Township, et al.                             Page 7


of the home is the chief evil against which the wording of the Fourth Amendment is directed”). In
the instant case, the Widgren house was plainly visible from a neighboring property and from the
air. Accordingly, their expectation of privacy in “the plainly visible attributes and dimensions of
the exterior of their home” is at the Fourth Amendment’s periphery, not its core, when compared
to the hidden features of the house’s interior.
        Next, we examine the challenged government intrusion or “what the person wanted to protect
his privacy from.” Dow Chemical Co., 749 F.2d at 312. The purported Fourth Amendment
violation was Mr. Beldo’s naked-eye observations and surveying of the house’s exterior from within
the curtilage for tax assessment purposes. Assessing the degree of intrusion requires addressing both
the methods used and the purpose for the intrusion. Police methods range from “ordinary visual
surveillance” to “technological enhancement of ordinary perception” through devices not in general
public use. Kyllo, 533 U.S. at 31, 33, 40. Extraordinary measures requiring an officer “to crane his
neck, or bend over, or squat” are generally more intrusive than those a “reasonably curious
neighbor” might undertake. See James v. United States, 418 F.2d 1150, 1151 n.1 (D.C. Cir. 1969);
Wayne R. LaFave, 1 Search and Seizure: A Treatise on the Fourth Amendment § 2.3(g) (4th ed.
2004). Likewise, those tactics littered with “dirty business” such as trickery and illegal acts can
accompany an unjustifiable government intrusion. See Olmstead v. United States, 277 U.S. 438, 470
(1928) (Holmes, J., dissenting). Breaching the curtilage and other trespass, though not necessarily
determinative, are also relevant to the degree of government intrusion. See Oliver v. United States,
466 U.S. 170, 183 (1984); Fullbright v. United States, 392 F.2d 432, 434 (10th Cir. 1968).
       Like the methods used, the purpose for the interference bears upon the intrusiveness of
government action. A criminal investigation is generally more intrusive than an administrative or
regulatory investigation:
       [T]he search involved [in administrative inspections] is less of an intrusion on
       personal privacy and dignity than that which generally occurs in the course of
       criminal investigation. This is a real and meaningful distinction. The concern of the
       inspector is directed toward such facilities as the plumbing, heating, ventilation, gas,
       and electrical systems, and toward the possible accumulation of garbage and debris.
       These matters may be looked into in a much shorter period of time than it often takes
       to search for evidence of crime, and certainly no rummaging through the private
       papers and effects of the householder is required. Nothing is seized. A police search
       for evidence brings with it “damage to reputation resulting from an overt
       manifestation of official suspicion of crime.” A routine inspection that is part of a
       periodic or area inspection plan does not single out any one person as the object of
       official suspicion. The search in a criminal investigation is made by armed officers,
       whose presence may lead to violence, and is perceived by the public as more
       offensive than that of the inspector. Police searches are conducted at all times of the
       day and night, while routine inspections are conducted during regular business hours.
       By their very nature and purpose, police searches usually must be conducted by
       surprise. In contrast, some inspection programs involve advance notice that the
       inspector will call on a certain date, and an inspector on his rounds will sometimes
       agree to return at a more convenient time if the householder so requests. This
       permits the owner or occupant to remove or conceal anything that might be
       embarrassing to him.
Wayne R. LaFave, 5 Search and Seizure: A Treatise on the Fourth Amendment § 10.1(b) (4th ed.
2004). This reasoning bolsters the relaxed probable cause requirement for safety inspections of the
No. 04-2189              Widgren, et al. v. Maple Grove Township, et al.                                    Page 8


interior of residences and commercial structures. See generally Camara v. Mun. Court of the City
& County of San Francisco, 387 U.S. 523 (1967); See v. City of Seattle, 387 U.S. 541 (1967).3
        In State v. Vonhof, 751 P.2d 1221 (Wash. Ct. App. 1988), the Court of Appeals of
Washington state held that no Fourth Amendment search occurred when a tax appraiser entered the
defendants’ property, but not their residence, for tax purposes. To reach the defendants’ residence,
the appraiser passed through two gates and passed by several “No Trespassing” signs. He knocked
on the door, took photographs of the house, measured the dimensions of a new porch addition, and
knocked on the side of a shop building on the premises to determine if the structure was insulated.
While conducting his appraisal, he smelled the odor of marijuana and then relayed that information
to the sheriff. The Vonhof court held that the appraiser’s visit was not a Fourth Amendment search
based on various factors:
         (1) He did not spy into the residence, and never entered either building; (2) his route
         was a normal one, considering his purpose of inspecting the new structure; (3) he
         acted openly and honestly, by knocking at the residence and yelling outside the shop
         building; (4) he apparently got very close to the shop, but no closer than necessary
         to conduct his inspection, and he did not enter the shop’s open doors; (5) his
         discovery was accidental; (6) he did not create an artificial vantage point to smell the
         growing marijuana; (7) his inspection occurred in the daytime; and (8) he went only
         where he needed to go to conduct his inspection.
Vonhof, 751 P.2d at 1225.
        Similarly, other cases have upheld the constitutionality of visits by building inspectors, even
though the inspectors entered the house without the owner’s consent. The aforementioned Artes-Roy
v. City of Aspen, 31 F.3d 958 (10th Cir. 1994), determined that a building inspector does not violate
the Fourth Amendment by entering a residence in a minimal way solely for the purpose of enforcing
a stop work order. In an unreported decision, a Michigan district court reached a similar conclusion.
Yarbro v. Shamblin, No. 4:02-CV-170, 2002 U.S. Dist. LEXIS 18583 (W.D. Mich. Sept. 23, 2002).
        Other courts have declined to find Fourth Amendment violations where government agents
merely inspected a structure’s exterior attributes or emissions, even when those inspections occurred
within the property of the objecting party. See Ehlers v. Bogue, 626 F.2d 1314, 1315 (5th Cir. 1980)
(per curiam) (finding no Fourth Amendment violation where health inspectors surveyed the outside
of the plaintiff’s apartment building while on the plaintiff’s property); Air Pollution Variance Bd.
of the State of Colorado v. W. Alfalfa Corp., 416 U.S. 861, 864-65 (1974) (holding that no Fourth
Amendment violation occurred where a state health inspector entered a corporation’s property and
inspected plumes of smoke emitted from the corporation’s plant).
        Applying these principles to the instant case, Mr. Beldo’s actions were not unduly intrusive.
He used naked-eye observations unaided by technological enhancements. His methods were not
extraordinary in that, for example, he was not forced to contort his body unnaturally to survey the
house, but instead merely counted the foundation cement blocks in plain view. No “dirty business”
was transacted, and his observations occurred during the daytime. He did not touch, enter, or look
into the house. Nor did he stray beyond areas reasonably necessary to aid his inspection. The most
unsettling intrusion of Mr. Beldo, however, was his entry into the curtilage. Tax appraisers would
be well advised to obtain consent or a warrant as a matter of course before breaching the curtilage
because, in many instances, such an intrusion may be a Fourth Amendment search. Yet the Fourth
Amendment cannot be stretched to bar categorically all government breaches of the curtilage. See

         3
           Camara, See and their progeny addressing administrative warrants are distinguishable from the instant case
in that they presume an entry of a structure, not the naked-eye observations of the structure’s exterior.
No. 04-2189           Widgren, et al. v. Maple Grove Township, et al.                          Page 9


Estate of Smith v. Marasco, 318 F.3d 497, 521 (3d Cir. 2003) (“[T]here remain questions of fact as
to whether the officers’ intrusion into the curtilage was reasonable in light of their asserted purpose
in making their entry into [the] property which was not to make a search.”); United States v. Raines,
243 F.3d 419, 422 (8th Cir. 2001) (“[A deputy] did not violate the Fourth Amendment by proceeding
into [the resident’s] backyard in the good faith attempt to serve civil process.”). Such invasions
implicate the law of trespass, but not necessarily the Fourth Amendment. See Oliver v. United
States, 466 U.S. 170, 183-84 (1984) (distinguishing the Fourth Amendment and the law of trespass).
We also find it highly significant that the purpose of government intrusion here was an
administrative, not criminal, inspection.
        We, therefore, hold that, under the facts of this case, a property assessor does not conduct
a Fourth Amendment search by entering the curtilage for the tax purpose of naked-eye observations
of the house’s plainly visible exterior attributes and dimensions - all without touching, entering or
looking into the house.
                                     III. Miscellaneous Issues
        Several other matters remain to be addressed. Having held that no Fourth Amendment
search occurred, we have no further occasion to decide whether Mr. Widgren, Jr., had “standing”
to raise a Fourth Amendment claim. See Minnesota v. Carter, 525 U.S. 83, 88 (1998) (quoting
Rakas v. Illinois, 439 U.S. 128, 140 (1978)) (The “definition of [Fourth Amendment] rights is more
properly placed within the purview of substantive Fourth Amendment law than within that of
standing.”). We also decline to reach the merits of the availability of qualified immunity.
        Since no federal claims remain, we must decide whether the District Court abused its
discretion in declining to exercise supplemental jurisdiction over the remaining state law claims,
such as trespass and breach of implied contract. District courts have discretion to refuse to exercise
supplemental jurisdiction over state law claims if “the district court has dismissed all claims over
which it has original jurisdiction.” 28 U.S.C. § 1367(c)(3) (2005). “When all federal claims are
dismissed before trial, the balance of considerations usually will point to dismissing the state law
claims . . . .” Musson Theatrical, Inc. v. Fed. Express Corp., 89 F.3d 1244, 1254-55 (6th Cir. 1996);
see also Carnegie-Mellon Univ. v. Cohill, 484 U.S. 343, 350 n.7 (1988). We hold that the District
Court did not abuse its discretion in declining to exercise supplemental jurisdiction over the state
law issues based on its consideration of the interests of justice and comity best served by a state
court’s resolution of the remaining state law claims.
       For the foregoing reasons, we affirm the decision of the District Court.
