Penn v. Fill — Appellate court affirms that neighbors’ adverse possession and prescriptive easement claims failed, and affirms attorney fees for zoning violations

Case
William F.A. Penn and Julie A. Penn v. Charles W. Fill and Darlene Novak
Court
Appellate Court of Illinois, First District
Judge
Fitzgerald Smith (elected 2002)
Date Decided
June 22, 2026
Docket No.
1-25-0920
Topics
Adverse Possession, Prescriptive Easement, Property Rights, Zoning Violations
Source
Read the full opinion

Background

The Penns purchased three vacant parcels of land from the University of Chicago in 2021, located between East 48th Street and their residence in Chicago. A paved driveway ran along the eastern edge of these parcels, providing access to their home. The neighboring defendants, who had occupied an adjacent property since 1985, claimed adverse possession and prescriptive easement rights to portions of the parcels, particularly the middle parcel (the 048 parcel), which had gardens and driveways on it.

The defendants also faced claims over zoning and building code violations. Their residence was assessed by Cook County as a “residential garage” but was being used as a residence, violating single-family residential zoning requirements. Additionally, the defendants excavated and installed a swimming pool without a permit, depositing soil onto the plaintiffs’ parcels. Notably, the defendant had previously drafted a letter to the University in 2016 acknowledging the University’s ownership of the disputed parcel and expressing interest in purchasing it. After the plaintiffs acquired the parcels in 2021, the defendant again approached the plaintiffs about buying a portion of the land, which they refused. Only after this refusal did the defendants assert claims of adverse possession and prescriptive easement.

The Court’s Holding

The appellate court affirmed the trial court’s judgment that the defendants failed to establish both adverse possession and prescriptive easement. The critical finding was that the disputed 048 parcel constituted vacant and unenclosed land. To establish a prescriptive easement, a claimant must prove 20 years of use that is adverse, uninterrupted, exclusive, continuous, and under a claim of right. While Illinois law recognizes a presumption of adversity when the origin of an alleged easement is unclear (the “Rush presumption”), this presumption does not apply to vacant and unenclosed land. Where land is vacant and open, use of it is presumed to be permissive, not adverse.

The court found the trial court’s characterization of the 048 parcel as vacant and unenclosed was supported by the evidence. Although the defendants characterized it as maintained with intentional gardens and trees, the plaintiffs’ testimony and photographic evidence showed an overgrown, unmaintained lot with dirt ruts (not a true gravel driveway), a heavily deteriorated concrete pad, fallen trees, and no permanent structures. Critically, the defendants’ own prior statements—including the 2016 letter acknowledging the University’s ownership and their subsequent requests to purchase the land—affirmatively “disavowed” any claim of ownership or right, defeating any claim that their use was adverse.

On the zoning and building code claims, the trial court awarded $4,770 in attorney fees to the plaintiffs. The defendants had effectively admitted these violations through their failure to deny the allegations in their answer (deemed judicial admissions). The appellate court upheld this fee award, finding that the defendants’ failure to adequately differentiate fees across claims did not warrant a higher award.

Key Takeaways

  • The Rush presumption of adversity for prescriptive easement claims does not apply when the land at issue is vacant, open, and unenclosed; such use is presumed permissive as a matter of law.
  • A property owner’s own statements—such as acknowledging another’s ownership or offering to purchase the land—can affirmatively defeat claims of adverse possession or prescriptive easement by showing the claimant never believed they had a right to the property.
  • A prescriptive easement cannot be claimed for access to property being used in violation of zoning ordinances; the unlawful use undermines the claim of right necessary to establish prescriptive easement.
  • Delayed assertion of property rights after other remedies (like purchase negotiations) have failed may reflect weakness in the underlying claim rather than strength of occupation.

Why It Matters

This decision reinforces important limitations on prescriptive easement and adverse possession claims in Illinois. Property owners cannot rely on the Rush presumption when dealing with neighbors’ use of vacant urban lots, even if that use has been longstanding. The ruling clarifies that circumstantial evidence of use—gardens, driveways, maintenance—is insufficient if the claimant has made statements (like offers to purchase) that contradict any claim of adversity. This protects owners of vacant land from losing rights to long-time neighboring users who view the land as a convenient extension of their own property.

The decision also addresses an important intersection: the defendants could not claim an easement to access property for unlawful use (residence in a structure zoned and taxed as a garage). This principle prevents defendants from bootstrapping prescriptive rights to circumvent zoning law, ensuring that municipal land-use regulations are not undermined by prescriptive claims. For practitioners, the case demonstrates the importance of timely asserting property claims and the risks of negotiating or acknowledging another’s title while simultaneously claiming adverse possession or easement rights.

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