Adverse possession requires 15 years of continuous unauthorized possession under C.G.S. § 52-575
Connecticut sets the bar for adverse possession at 15 years under C.G.S. § 52-575 — a mid-range window that gives landlords a comfortable margin but is short enough to demand attention. A claimant must occupy your property openly, notoriously, and continuously for the full decade-and-a-half before any claim to title can ripen. By contrast, a five-year state like California exposes owners far faster, while a 30-year regime would be nearly impossible to trigger. Connecticut lands in between: long enough that no honest absentee owner should ever lose land, yet real enough that neglected parcels, vacant rentals, and unmonitored vacation properties remain genuinely vulnerable over time.
The practical risk for a Connecticut landlord is rarely the squatter who shows up this month; it is the one whose occupancy is allowed to run unchallenged for years. Because Connecticut grants no statutory shortcut for color of title, every claimant faces the same full 15-year requirement. Catching an unauthorized occupant early and acting through the courts keeps that clock from ever starting.
To take title by adverse possession in Connecticut, an occupant must satisfy five elements continuously for the full 15 years fixed by C.G.S. § 52-575. The possession must be actual (physically using the land as an owner would), open and notorious (visible enough that a diligent owner would notice), exclusive (not shared with the true owner or the general public), hostile or adverse (without the owner's permission), and continuous for the entire statutory period.
Connecticut law provides no color-of-title shortcut that trims the 15 years — every claimant, whether relying on a defective deed or on bare occupation, must satisfy the same window. That single, uniform period is the landlord's friend: it means anyone tolerated for even a few seasons is nowhere near a viable claim, and an interruption at any point forces the clock back to zero.
The most powerful tool an owner has is interruption. Adverse possession requires continuous occupancy, so any act that breaks the chain restarts the 15-year count from zero. A single eviction filing or a documented written demand to vacate resets the clock and defeats the continuity element outright. You do not need to wait until year 14 to react.
Practical defense in Connecticut is routine and inexpensive: inspect vacant units and unbuilt parcels on a schedule, document each visit, post the property, and respond to any unauthorized occupant in writing immediately. Pay your property taxes and keep records. Where a boundary or shared driveway is in question, a written permission granted to a neighbor converts hostile use into permissive use, which can never ripen into a claim. The owners who lose land are the ones who let years pass without ever asserting their rights.
Connecticut draws a sharp line between a true squatter, who never had permission to enter, and a holdover tenant, who was once a lawful renter but stayed past the lease. The distinction matters for paperwork, but the removal forum is the same, and so is one hard rule: self-help is illegal in Connecticut.
You may not change the locks, remove doors or windows, shut off heat, water, or electricity, remove the occupant's belongings, or use threats to force anyone out — regardless of whether they are a squatter or a holdover, and regardless of how clearly they are in the wrong. Doing so exposes the landlord to liability and can hand the occupant leverage. The only lawful path is a court order enforced by a state marshal. The good news for owners is that even a long-tolerated occupant is still far from the 15-year threshold, so removing them promptly carries no risk of having created an ownership claim.
Connecticut landlords remove unauthorized occupants through the summary process (eviction) action in housing or superior court — not through any extrajudicial measure. The owner serves the required statutory notice to quit, and if the occupant fails to leave by the stated date, files a summary process complaint. The occupant is served, given an opportunity to respond, and the matter proceeds to a hearing.
If the court rules for the owner, it issues a judgment for possession, after which a state marshal — never the landlord personally — carries out the physical removal. Filing the case is also the act that defeats any budding adverse-possession theory, since it formally asserts the owner's title and interrupts continuity under C.G.S. § 52-575. Because procedure and notice content can vary by occupant type and circumstance, owners facing a contested or long-running occupancy should consult Connecticut landlord-tenant counsel before filing.
There is an important legal distinction between these two types of unauthorized occupants. A holdover tenant is a former leaseholder, someone who once had a valid lease who remains in the unit after that lease has expired without the landlord's consent and without executing a new lease. In Connecticut, holdover tenants are typically treated as month-to-month tenants or as tenants at sufferance depending on whether the landlord continues to accept rent. They must be removed through the formal eviction process with appropriate notice.
A squatter (or trespasser) is someone who entered the property without any prior legal right to do so, they never held a lease with the landlord. Despite having no legal right of occupancy from day one, squatters cannot be physically removed by the landlord without a court order in Connecticut. Changing the locks, removing belongings, or shutting off utilities to force a squatter out constitutes illegal self-help eviction and can expose the landlord to civil liability.
Fifteen years. Under C.G.S. § 52-575, a claimant must hold the property in an open, notorious, exclusive, hostile, and continuous manner for the full 15-year period before any claim to title can ripen. Connecticut provides no color-of-title shortcut, so every claimant faces the same window. Any interruption — including an eviction filing — restarts the clock at zero.
Usually not on the spot. Once a squatter has established occupancy, Connecticut typically treats removal as a civil matter, so police often decline to act without a court order. Genuine, immediate trespass or other crimes can prompt a law-enforcement response, but the reliable path is a summary process (eviction) action ending in a judgment for possession that a state marshal enforces. Landlords cannot remove occupants themselves.
A holdover tenant was once a lawful renter who stayed past the end of the lease; a squatter never had permission to be there. The paperwork differs, but both must be removed through Connecticut's court eviction process, and self-help — lockouts, utility shutoffs, removing belongings — is illegal against either. Neither is anywhere near the 15-year adverse-possession threshold simply by overstaying.
Interrupt the occupancy before the 15-year clock under C.G.S. § 52-575 can run. A single eviction filing or a documented written demand to vacate resets the continuity requirement to zero. Inspect vacant units and parcels on a schedule, document each visit, post the property, pay taxes, and grant written permission for any tolerated neighborly use — permissive use can never ripen into a claim.
This analysis was prepared by the Eviction Risk Map research team and reflects Connecticut's adverse-possession statute, C.G.S. § 52-575 (15-year period), as reviewed June 2026. It is provided for general informational purposes only and is not legal advice; statutes, court procedures, and notice requirements change and apply differently to each situation. Consult a licensed Connecticut landlord-tenant attorney before acting on any specific matter.
Adverse possession data sourced from C.G.S. § 52-575. Eviction notice data from U.S. Census Bureau ACS 2023 and C.G.S. § 47a-23. Last updated July 14, 2026. This page is for informational purposes only and does not constitute legal advice. Consult a licensed real estate attorney for your specific situation.
