City of Des Moines, Iowa v. Mark Ogden , 909 N.W.2d 417 ( 2018 )


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  •                IN THE SUPREME COURT OF IOWA
    No. 16–1080
    Filed March 16, 2018
    CITY OF DES MOINES, IOWA,
    Appellee,
    vs.
    MARK OGDEN,
    Appellant.
    On review from the Iowa Court of Appeals.
    Appeal from the Iowa District Court for Polk County, Robert B.
    Hanson, Judge.
    The defendant seeks further review of a court of appeals decision
    that affirmed the district court order enjoining him from continuing the
    nonconforming use of his property as a mobile home park due to its
    violation of current and past zoning ordinances. DECISION OF COURT
    OF APPEALS VACATED; DISTRICT COURT JUDGMENT REVERSED
    AND CASE REMANDED.
    James E. Nervig of Brick Gentry P.C., West Des Moines, for
    appellant.
    Luke DeSmet, Assistant City Attorney, Des Moines, for appellee.
    Laura Rae Jontz and Jessica J. Taylor (until withdrawal) of Iowa
    Legal Aid, Des Moines, for amici curiae.
    2
    ZAGER, Justice.
    A property owner appealed the district court order enjoining him
    from continuing the nonconforming use of his property as a mobile home
    park.    The district court found the nonconforming use of the property
    exceeded its authorized nonconforming use, and it was necessary to
    cease operation of the nonconforming use for the safety of life or
    property. The court of appeals affirmed the district court ruling. On our
    de novo review, we conclude that the City of Des Moines failed to prove
    that the property owner had exceeded its legal nonconforming use or that
    it was necessary to enjoin the property owner from continued operation
    of the mobile home park for the safety of life or property. We vacate the
    decision of the court of appeals and reverse the judgment of the district
    court enjoining Ogden from continuing his nonconforming use of the
    property as a mobile home park.
    I. Background Facts and Proceedings.
    Mark Ogden owns the real estate located at 3140 Indianola Avenue
    in Des Moines, Iowa.           Ogden operates a mobile home park at that
    location known as Oak Hill Mobile Home Park (Oak Hill). The zoning of
    the     property   is   partially   C-2   General     Retail    Highway-Oriented
    Commercial District and partially R1-60 One Family Low Density
    Residential District.     While the full history of the property is unclear,
    there is evidence demonstrating the property was originally used as a
    heating and furnace repair business around 1938.                 In approximately
    1941, the property transitioned into Oak Hill Tourist Camp, which
    provided    tourists    with    small   bedroom     suites     and   outhouses   to
    accommodate their traveling needs.            There are no photographs of the
    property prior to 1947 when the property was still operating as a tourist
    camp, and there is little evidence documenting the changes in the
    3
    property between 1947 and 1955. Between 1947 and 1955, the property
    became Oak Hill Mobile Home Park.
    In 1953, the City of Des Moines (City) enacted new zoning
    ordinances.   According to the zoning designations then in effect, the
    trailer park was partially in the C-2 Commercial District and partially in
    the R-2 Residence District. In 1955, the owner of Oak Hill at the time
    applied for and was granted a certificate of occupancy from the City that
    allowed for the operation of the mobile home park as a nonconforming
    use. The 1955 certificate of occupancy indicates that the mobile home
    park was a nonconforming use as to the R-2 zoning. The certificate of
    occupancy does not declare that the mobile home park is otherwise out
    of compliance with the zoning ordinances conjointly affecting it.
    The first aerial photograph on record of the property in use as a
    mobile home park was taken in 1963. This photograph reveals thirty-
    nine concrete pads with mobile homes situated on them in close
    proximity to one another. The photograph also shows that some of the
    homes had additional structures attached to them. There are a number
    automobiles parked on or surrounding the U-shaped access road that
    circles through Oak Hill and separates it from the neighboring homes.
    This is the only photographic evidence in the record showing the
    conditions of Oak Hill in 1963. More recent photographs of the property
    reveal that Oak Hill has become more congested over the years as some
    residents have added porches, decks, and more living space to their
    mobile homes.
    The record reveals that the City has taken no action against Oak
    Hill from the time the certificate of occupancy was issued in 1955 until
    2014. However, in 2003 the City discovered that the previous owner of
    Oak Hill was partially utilizing some portions of the mobile home park as
    4
    an extension of his adjacent auto dealership.     Consequently, the City
    issued a letter to the owner advising him that the 1955 certificate of
    occupancy allowed him to operate the land as a mobile home park, but
    he was not authorized to use the land as an extension of his auto
    dealership.   The owner stopped operating the auto dealership on the
    property, and the City took no further action regarding the use of the
    property as a mobile home park at that time.       The City did not issue
    another warning or citation of any kind about the use of the property as
    a mobile home park until 2014.
    On August 4, 2014, SuAnn Donovan, the neighborhood inspection
    zoning administrator, provided Ogden with a letter informing him that
    Oak Hill “has numerous violations of municipal zoning codes that were in
    place at the time the land was converted to a mobile home park and
    must be brought into compliance with those codes.” Donovan explained,
    “There were two controlling ordinances relating to mobile home parks in
    effect at that time”: (1) “Chapter 39 that specifically regulated the
    operations of mobile home parks” and (2) “Chapter 2A which regulated
    zoning issues.” The City “reviewed the current status of the park as it
    relates to the two ordinances to determine violations that currently exist
    on the property.”
    Upon examination, Donovan informed Ogden that the City had
    found the following violations of Chapter 2A of “the Municipal Code of the
    City of Des Moines as it was in effect in 1955”: (1) failure to provide a
    thirty-five foot setback from Park Avenue; (2) failure to provide a twelve-
    foot setback from Indianola Road; (3) failure to provide a forty-foot
    setback along the lot line running north from Park Avenue; (4) failure to
    provide a fifteen-foot setback along the lot line running west from
    Indianola Road; and (5) failure to supply 1200 square feet of lot area per
    5
    mobile home. Additionally, the letter noted the following “violations of
    Chapter 39, the Municipal Code as it was in effect in 1955”: (6) failure to
    maintain a twenty-foot unobstructed driveway that was accessible to the
    public and properly maintained, marked, lighted, and equipped with an
    all-weather surface; (7) failure to maintain twelve feet of clearance
    between trailers; (8) failure to provide a two-foot walkway between the
    trailers to the public street; and (9) failure to provide fire extinguishers
    that were in good working order for every twenty-five trailer spaces
    located not further than 200 feet from each trailer space.          Finally,
    Donovan noted,
    In 1962, pursuant to Chapter 57, as re-codified in Chapter
    39 of the Municipal Code no additions were to be
    constructed on trailers other tha[n] a porch or entry way
    with less than 11’ clearance from other additions or trailers.
    Many of the additions are in violation of this provision of the
    applicable ordinance.
    The letter concluded by warning Ogden that the City could take legal
    action to abate the aforementioned violations if he failed “to bring the
    property into compliance or enter into a compliance plan within ten
    days” of receiving the notice letter.    Ogden did nothing to establish a
    compliance plan or bring the property into compliance.
    In October 2014, the City filed its amended petition in equity. The
    City requested that the court issue an injunction ordering Ogden to
    cease use of the property as a mobile home park in violation of the Des
    Moines Municipal Code. Trial was conducted before the district court on
    March 26, 2016. At trial, Jonathon Lund, the Des Moines Fire Marshal,
    testified on behalf of the City. When asked about the fire dangers that
    mobile home parks pose, Lund testified, “The construction of a mobile
    home is inherently a little bit more dangerous in the sense that they
    typically use smaller dimensional lumber.”      He explained that smaller
    6
    dimensional lumber “can lead to rapid progression of fire.” Lund stated,
    “[I]f you have properties in close proximity to each other, it creates an
    exposure hazard for us which leads to more fires.”
    Lund also testified about the importance of fire access roads. He
    explained that the City requires properties to maintain a twenty-foot-
    wide fire access road, and he agreed that a ten-foot-wide fire access road
    would make it more difficult for firefighters to do their jobs effectively.
    Despite his testimony about the fire hazards of mobile home parks in
    general, Lund clarified that the fire department had not inspected the
    mobile home trailers at Oak Hill because they are considered single-
    family dwellings.   Lund admitted, “I’m not aware of any outstanding
    violations [at Oak Hill].”   This is the sum of the evidence presented
    regarding the mobile home park being a risk to the safety of life and
    property.
    Donovan testified about the history of the property and the nature
    of the zoning violations at issue. She stated her belief that “the basic
    issue is the location of the mobile homes are too close together to meet
    either zoning requirements in ’55 or today,” but conceded that “the City
    can’t impose a larger setback on a legal nonconforming” use.         When
    asked how the City decides what zoning violations to enforce, Donovan
    stated, “We are mostly complaint based. When we get a complaint, we go
    out and investigate and determine if there’s a violation and proceed with
    enforcement.” When asked if complaints were filed regarding Oak Hill,
    Donovan responded, “Citizens have filed complaints.       The city council
    actually directed the action to review this, and eventually we’re going to
    do all of them in the city and make sure they’re in zoning compliance.”
    Donovan did not expand on the number of complaints filed, the nature of
    the complaints filed or who filed them, what the complaints concerned,
    7
    or any additional information about complaints allegedly made about
    Oak Hill. Ogden also testified about the history of the property and his
    prior interactions with City employees regarding the alleged zoning
    violations. 1
    In its ruling on the nonconforming use issues, the district court
    found
    [a] discontinuance of the nonconforming use under the 1955
    Certificate of Occupancy is necessary for the safety of life or
    property. The 1963 aerial photographs demonstrate that
    Oak Hill was in violation of many of the contemporaneous
    zoning ordinances, but Oak Hill of 1963 is far less congested
    than Oak Hill of 2015. As detailed in the Court’s Findings of
    Fact, conditions of Oak Hill deteriorated markedly between
    1963 and 2006 (when the City began photographing Oak Hill
    at ground level). Now much of the open space visible in the
    1963 photos is filled with the detritus of life: vehicles,
    outdoor recreational equipment, garbage pins, makeshift
    gardens, fencing, and crudely constructed additions to the
    mobile homes. The U-shaped road that runs through Oak
    Hill is in poor repair, absent markings or well-defined
    borders. There is no evidence of adequate fire prevention or
    fighting equipment. The City stated in its original letter
    regarding this action that the zoning regulations in 1955
    were aimed at preserving the health and safety of Oak Hill
    and its occupants. The occupancy permit statute states that
    discontinuance of the permit is allowed if the safety of life or
    property is threatened. Oak Hill is congested and cluttered
    as to impede the ability of first responders to adequately
    address common urban dangers, such as fires and
    situations requiring police involvement.
    1The  district court excluded Ogden’s testimony about his prior interactions with
    City employees. The City objected to this testimony on the grounds that Ogden failed to
    disclose these previous interactions during discovery. Ogden did not appeal that
    evidentiary ruling. In addition to Ogden’s testimony, Gloria Lang, a resident of Oak Hill,
    testified that she had never interacted with the City regarding her mobile home. Lang
    also stated that she would struggle to relocate if the mobile home ceased its operation.
    The City objected to Lang’s testimony, claiming both that her testimony was irrelevant
    to the zoning issue and that Ogden failed to disclose Lang as a witness until the day of
    the trial. The district court sustained the objection and excluded her testimony
    “because Ms. Lang was not disclosed as a witness until the morning of the trial and her
    testimony was irrelevant to zoning issues.” The court of appeals affirmed this decision.
    8
    The district court also noted that the current use of the property as a
    mobile home park “has intensified beyond acceptable limitations”
    because the conditions “pose a real threat in the event of an emergency.”
    Following the ruling, Ogden did not file a motion to enlarge or
    amend the district court findings of fact or conclusions. However, Ogden
    did file an appeal. On appeal, Ogden argued the district court erred by
    finding both that the discontinuance of the nonconforming use was
    necessary for the safety of life or property and that the changes to the
    property were unlawful expansions of the existing nonconforming use.
    Ogden further argued that equitable estoppel prevented the City from
    obtaining an injunction and that the actions of the City amounted to an
    unconstitutional regulatory taking. We transferred the case to the court
    of appeals.
    In a divided opinion, the court of appeals found Ogden failed to
    preserve his unconstitutional takings claim.       However, it affirmed the
    district court order enjoining the continued nonconforming use of the
    property as a mobile home park.            The majority concluded that the
    current   status   of   the   mobile   home     park   exceeded    the   legal
    nonconforming use as it existed in 1955 and that it posed a threat to the
    safety of people or property at the mobile home park.             The dissent
    disagreed, concluding the City had failed to prove either ground for the
    issuance of the injunction regarding the legal nonconforming use. Ogden
    sought further review, which we granted.
    II. Standard of Review.
    The standard of review for constitutional claims, including with
    respect to takings, is de novo.” Brakke v. Iowa Dep’t of Nat. Res., 
    897 N.W.2d 522
    , 530 (Iowa 2017).       Because injunctions are equitable in
    nature, our standard of review in this case is de novo. City of Okoboji v.
    9
    Parks, 
    830 N.W.2d 300
    , 304 (Iowa 2013).        “ ‘Although the trial court’s
    factual findings are not binding’ in an action seeking an injunction, ‘we
    give weight to the court’s assessment of the credibility of the witnesses.’ ”
    
    Id. (quoting Opat
    v. Ludeking, 
    666 N.W.2d 597
    , 603 (Iowa 2003)).         We
    “review decisions on sanctions for violation of discovery for an abuse of
    discretion.” Whitley v. C.R. Pharmacy Serv., Inc., 
    816 N.W.2d 378
    , 385
    (Iowa 2012).    Likewise, we review evidentiary rulings for an abuse of
    discretion.   State v. Olutunde, 
    878 N.W.2d 264
    , 266 (Iowa 2016).         “A
    district court abuses its discretion when it exercises its discretion on
    grounds clearly untenable or to an extent clearly unreasonable,” by
    issuing a decision that “is not supported by substantial evidence” or one
    that “is based on an erroneous application of the law.” State v. Hill, 
    878 N.W.2d 269
    , 272 (Iowa 2016).
    III. Analysis.
    Ogden presents a number of issues on appeal. Ogden first argues
    the actions of the City to enjoin his use of the mobile home park amount
    to an unconstitutional taking.     He appeals the finding of the district
    court and court of appeals that it is necessary for Ogden to discontinue
    his legal nonconforming use of the property as a mobile home park for
    the safety of life and property. Similarly, Ogden argues the district court
    and court of appeals erred by concluding the changes to the property
    expanded his legal nonconforming use of the property beyond its
    authorized nonconforming use.       He alleges the doctrine of equitable
    estoppel bars the City from seeking to enjoin his use of the property as a
    mobile home park. Finally, Ogden maintains the district court erred by
    excluding the testimony of Gloria Lang. We address each of these issues
    on appeal as necessary.
    10
    A. Land Use Regulations Under the Takings Clause.                 Ogden
    claims that the district court ruling to enjoin his use of Oak Hill as a
    mobile home park amounts to an unconstitutional regulatory taking
    under the Iowa and Federal Constitutions.             However, it is clear that
    Ogden failed to preserve error on this claim. Although Ogden discussed
    the constitutionality of takings in his proposed rulings as background
    information on the law of nonconforming use rights, he did not appear to
    be arguing that the City’s actions were a regulatory taking. He also did
    not plead a counterclaim or defense on the basis of a taking, nor did the
    district court rule on any takings claims.
    [W]hen a party has presented an issue, claim, or legal theory
    and the district court has failed to rule on it, a rule 1.904(2)
    motion is proper means by which to preserve error and
    request a ruling from the district court.
    Homan v. Branstad, 
    887 N.W.2d 153
    , 161 (Iowa 2016). Ogden did not
    file a rule 1.904(2) motion to enlarge the findings of the district court so
    that the district court could address his takings claim.         Therefore, he
    waived his unconstitutional takings claim by failing to preserve it.
    B. Whether Ogden Has Lost His Legal Nonconforming Use.
    Ogden   maintains    the   district   court   erred    both by    finding that
    discontinuance of the nonconforming use as a mobile home park is
    necessary for the safety of life or property and that Ogden has unlawfully
    expanded his nonconforming use of the property beyond its authorized
    nonconforming use. We will address each of these claims in conjunction
    with our well-established law on legal nonconforming use.
    1. The law on nonconforming use.         A nonconforming use is one
    “that lawfully existed prior to the time a zoning ordinance was enacted or
    changed, and continues after the enactment of the ordinance even
    though the use fails to comply with the restrictions of the ordinance.”
    11
    City of Okoboji v. Okoboji Barz, Inc., 
    746 N.W.2d 56
    , 60 (Iowa 2008). This
    lawfully existing prior use of the property creates a vested right in the
    continuation of the nonconforming use once the ordinance takes effect
    unless the nonconforming use is legally abandoned, enlarged, or
    extended. 
    Id. These limitations
    on the nonconforming use of property
    are expressed within the Des Moines Municipal Code which states,
    “Nothing    in   this    division    shall     prevent    the   continuance     of   a
    nonconforming use as authorized, unless a discontinuance is necessary
    for the safety of life or property.” Des Moines, Iowa, Municipal Code, div.
    5, § 134-155(a) (2017). 2
    2. Discontinuance of nonconforming use for the safety of life or
    property. In our de novo review, we cannot conclude that the City has
    shown that the discontinuance of the nonconforming use under the 1955
    certificate of occupancy is necessary for the safety of life or property. As
    a preliminary matter, the party seeking permanent injunctive relief to
    enforce a zoning ordinance must establish “(1) an invasion or threatened
    invasion of a right; (2) that substantial injury or damages will result
    unless the request for an injunction is granted; and (3) that there is no
    adequate legal remedy available.”            City of 
    Okoboji, 830 N.W.2d at 309
    (quoting Sear v. Clayton Cty. Zoning Bd. of Adjustment, 
    590 N.W.2d 512
    ,
    515 (Iowa 1999)). The City has failed to meet this burden.
    Remarkably, the record is largely bereft of evidence demonstrating
    the existence of a significant safety issue.             Although the fire marshal
    testified about the fire hazards specific to all mobile homes in general, he
    acknowledged that Oak Hill has not been cited for any fire safety code
    2Similarly, the Des Moines Municipal Code at the time the City issued the 1955
    Certificate of Occupancy allows for a discontinuation of the nonconforming use as
    “necessary for the safety of life or property.” Des Moines, Iowa, Zoning Ordinance, pt.
    XX, § 2A-49 (1953).
    12
    violations. The fire marshal also testified that the fire department has
    never inspected the individual mobile homes at Oak Hill because they are
    considered single family dwellings, and the fire department does not
    inspect the individual mobile homes or mobile home parks in their
    entirety. Finally, the fire marshal testified that the current standards for
    fire access roads require a twenty-foot-wide access road, but he did not
    offer any testimony stating that the road as it currently exists at Oak Hill
    was dangerous.
    Additionally, the city zoning inspector testified that the City had
    not cited Oak Hill for a zoning violation until she issued the August 5,
    2014 letter of notice to Ogden about the violations. The record does not
    demonstrate that the City took any prior actions to remedy the zoning
    violations that it now claims justify the discontinuation of the legal
    nonconforming use or the need for injunctive relief. The City has failed
    to prove that the discontinuance of the nonconforming use under the
    1955 certificate of occupancy is necessary for the safety of life or property
    pursuant to the zoning ordinances.
    3. Nonconforming use defense.            We employ a burden-shifting
    analysis to determine whether the property owner asserts a valid defense
    claiming    that   the   challenged   zoning    violation   is   an   authorized
    nonconforming use. City of Jewell Junction v. Cunningham, 
    439 N.W.2d 183
    , 186 (Iowa 1989). First, the zoning entity has the burden of proving
    the existence of a current zoning violation. 
    Id. If the
    zoning entity meets
    its burden, the burden shifts to the property owner “to establish the
    lawful and continued existence of the use” by a preponderance of the
    evidence.    
    Id. The burden
    then shifts back to the zoning entity to
    establish “a violation of the ordinance by exceeding the established
    13
    nonconforming use” if the property owner establishes a lawful preexisting
    use. 
    Id. 4. Application
    of the burden-shifting analysis.   We next consider
    whether the City has proven that Ogden has so substantially changed
    the character and intensity of the mobile home park so as to have lost
    his legal nonconforming use. The law provides property owners with a
    certain degree of latitude in their nonconforming use, as they “may
    change the original nonconforming use ‘if the changes are not
    substantial and do not impact adversely on the neighborhood.’ ” City of
    
    Okoboji, 746 N.W.2d at 60
    (quoting Perkins v. Madison Cty. Livestock &
    Fair Ass’n, 
    613 N.W.2d 264
    , 270 (Iowa 2000)). For example, we held that
    the nonconforming use of a salvage and junkyard did not exceed its
    authorized nonconforming use when the inventory of junk “steadily
    increased” after the applicable zoning ordinance was adopted.      City of
    Central City v. Knowlton, 
    265 N.W.2d 749
    , 753–54 (Iowa 1978).         We
    based our decision in part on the Ohio Court of Appeals’ holding in
    Worthington v. Everson, 
    226 N.E.2d 570
    , 571 (Ohio Ct. App. 1967), in
    which that court held that the increased inventory of junk cars from 33
    to over 400 on the same acreage did not constitute an illegal extension of
    the authorized nonconforming use. 
    Id. at 753.
    In contrast, we held that
    property unlawfully exceeded its authorized nonconforming use when it
    went from a rodeo arena to an enlarged figure-eight racetrack because
    the use of the property as a racetrack was “substantially different from
    the rodeo-type arena and the events held in it.” 
    Perkins, 613 N.W.2d at 270
    .   In addition to the difference in use from the prior arena, the
    racetrack arena involved events that “occurred more frequently,” “lasted
    longer than the prior events,” and created more “noise, dust, and fumes”
    than the rodeo-type arena and rodeo events. 
    Id. at 270–71.
                                       14
    This is a case of first impression for our court as we have yet to
    examine whether the intensification of a mobile home park due to the
    addition of structures or the expansion of homes within the park
    amounts to an illegal expansion of the authorized nonconforming use.
    As we set forth earlier, we apply a burden-shifting framework to
    determine whether a property owner has exceeded his or her authorized
    nonconforming use. City of Jewell 
    Junction, 439 N.W.2d at 186
    . Under
    this framework, the burden is on the city to prove a zoning ordinance
    violation, and the “party who asserts a nonconforming use has the
    burden to establish the lawful and continued existence of the use.” 
    Id. If the
    “preexisting use has been established by a preponderance of the
    evidence, the burden is on the city to prove a violation of the ordinance
    by exceeding the established nonconforming use.” 
    Id. “The key
    is that
    the present use must not be ‘substantially or entirely different’ from the
    original use.” 
    Id. Hence, “not
    every change in particulars or details in
    the method of a nonconforming use . . . constitutes an unauthorized
    change in the use.”    
    Id. (quoting 8A
    Eugene McQuillin, The Law of
    Municipal Corporations § 25.202, at 90–91 (1986) [hereinafter McQuillin]).
    We think three points are clear. First, a certificate of occupancy
    was issued in 1955 for the mobile home park. Second, Ogden’s use of
    the property violates several zoning ordinances that are in effect today
    and that were also in effect in 1955. Third, a 1963 photograph of the
    mobile home park shows many of the same zoning violations.
    The City offers two hypotheses for how this situation came about.
    First, the City hypothesizes that the property complied with zoning
    ordinances in 1955 but went out of compliance when the park
    underwent substantial changes between 1955 and 1963, the date of the
    photograph.   Alternatively, the City hypothesizes that even though the
    15
    City issued a certificate of occupancy in 1955, the City believed at that
    time the mobile home park was noncompliant with zoning and was not a
    valid nonconforming use.
    We think both hypotheses are completely speculative. The more
    logical conclusion from the record is that the City knew what it was
    doing when it granted a certificate of occupancy in 1955 and then raised
    no zoning issue for the ensuing fifty-nine years.     Likewise, the more
    logical conclusion from this record is that the mobile home park was laid
    out in 1955 the same way it was laid out in 1963 and every successive
    year. In fact, the 1955 certificate of occupancy establishes “the lawful
    and continued existence” of the nonconforming use of the property since
    the zoning ordinances in 1955 prohibited the City from issuing the
    certificate unless the proposed use of the property was lawful. 
    Id. Consequently, our
    disposition of this issue hinges on whether the
    City has met its burden to prove that the zoning violations at Oak Hill
    have exceeded the nonconforming use established by the 1955 certificate
    of occupancy.    The City argues Ogden has exceeded the established
    nonconforming use of the property because the use of the mobile home
    park has intensified in terms of the numbers and location of structures
    attached to the mobile homes. The district court—and subsequently, the
    court of appeals—agreed, noting the congestion on the property had
    increased due to “the detritus of life: vehicles, outdoor recreational
    equipment, garbage bins, makeshift gardens, fencing, and crudely
    constructed additions to the mobile homes.” We disagree.
    “[I]ntensification of a nonconforming use is permissible so long as
    the nature and character of the use is unchanged and substantially the
    same facilities are used.”   
    Id. (quoting Kent
    Cty. Planning Inspector v.
    Abel, 
    228 A.2d 247
    , 252 (Md. 1967)). The City fails to present evidence
    16
    in this case to demonstrate that the zoning violations at Oak Hill have
    been expanded to the point where the established nonconforming use is
    “ ‘substantially or entirely different’ from the original use.” 
    Id. The City
    acknowledges that Oak Hill has not changed in size or in its form of use
    as a mobile home park. The number and location of the mobile homes is
    roughly the same as it was when Oak Hill was first photographed in
    1963.     In fact, there are actually fewer mobile homes on the property
    than there were in 1963.
    Further, the additions to the structures of the mobile homes, as
    well as the “detritus of life” the district court noted, have not
    substantially changed the nature and character of Ogden’s use of the
    property as a mobile home park.       Rather, this steady increase in the
    additions to the mobile home structures and other objects found on the
    property represents a marginal change that falls within the degree of
    latitude that the law affords to property owners in their nonconforming
    use.    As we have previously held, “not every change in particulars or
    details in the method of a nonconforming use . . . constitutes an
    unauthorized change in the use.” 
    Id. (quoting 8A
    McQuillin § 25.202, at
    90–91).
    While we are aware that other jurisdictions have held that
    replacing existing mobile homes with larger mobile homes results is an
    unlawful expansion of a nonconforming use, those cases are factually
    different from the material facts in this case. See, e.g., Wiltzius v. Zoning
    Bd. of Appeals, 
    940 A.2d 892
    , 910 (Conn. App. Ct. 2008); Kosciusko Cty.
    Bd. of Zoning Appeals v. Smith, 
    724 N.E.2d 279
    , 281 (Ind. Ct. App. 2000).
    In those cases, the local zoning officers and regulations treated each
    mobile home within the mobile home park as a separate structure with
    separate compliance issues, individually examining the expansion of
    17
    each mobile home at issue to determine whether it retained its
    nonconforming use.     See 
    Wiltzius, 940 A.2d at 909
    –10; Kosciusko Cty.
    Bd. of Zoning 
    Appeals, 724 N.E.2d at 281
    . In contrast, throughout these
    proceedings, the City has argued that Oak Hill in its entirety as a mobile
    home park has exceeded its nonconforming use and does not distinguish
    between the mobile home park in its entirety and each individual mobile
    home for enforcement purposes.
    Ultimately, Oak Hill is being used as a mobile home park in a
    manner that is not “ ‘substantially or entirely different’ from its original
    use” as a mobile home park when the City issued the 1955 certificate of
    occupancy allowing for its nonconforming use. City of Jewell 
    Junction, 439 N.W.2d at 186
    . Therefore, on our de novo review, we conclude that
    the City failed to prove that the nature or character of the mobile home
    park had so substantially changed or intensified to warrant the
    discontinuation of the legal nonconforming use as a mobile home park.
    Accordingly, we vacate the decision of the court of appeals and reverse
    the judgment of the district court on this issue.
    C. Ogden’s Additional Claims. Based on our decisions set forth
    above, we need not address Ogden’s remaining claims.          These claims
    include whether the doctrine of equitable estoppel barred the City from
    seeking to enjoin his nonconforming use of the property and whether the
    district court abused its discretion by excluding the testimony of Gloria
    Lang.
    IV. Conclusion.
    For the foregoing reasons, we conclude that the City did not prove
    that Ogden had lost the vested right he had in the operation of Oak Hill
    Mobile Home Park as a legal nonconforming use. We therefore vacate the
    decision of the court of appeals, reverse the judgment of the district
    18
    court, and remand the case to the district court for an order dismissing
    the case.
    DECISION OF COURT OF APPEALS VACATED; DISTRICT
    COURT JUDGMENT REVERSED AND CASE REMANDED.