Adverse possession

A legal doctrine that lets someone gain title by openly occupying land for a long time, usually 10 to 20 years, meeting specific tests. Rare but real.

Legal & title issues · Updated September 2026

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Part 1 of 4

Why a seller cares

A neighbor who has openly used a strip of your land for a decade or two can, in rare cases, claim it. It usually surfaces at a survey, and it is a reason a fence a foot over the line is worth knowing about before a sale.

Part 2 of 4

A simple example

Your neighbor's driveway has crossed your line by three feet since 2004, in the open, with nobody objecting. A buyer's survey finds it.

Adverse possession: a simple example
What the survey showsWhat tends to follow
A long, open, unchallenged useA title question the buyer's lender wants resolved
A boundary agreement signed with the neighborThe line is settled and the sale proceeds
A quiet title actionMonths, a lawyer, and a court's answer

Adverse possession is rare, and a survey is where it stops being theoretical.

Part 3 of 4

What people get wrong

That it happens quietly. Every state's test includes open and obvious use for many years; a hidden use does not count.

Part 4 of 4 · where to read next

Where it appears in the sale

What a definition is, and what it isn't

Keighbor is a software company, not a law firm, brokerage, or tax adviser. This is general information, not legal, tax, financial, or real estate advice about your sale. Your situation may differ. Before acting on a contract, disclosure, title, tax, or pricing question, ask an appropriately licensed professional in your state.

Written and researched by Keighbor Research · drawn from the reference glossary · how we research and check what we publish

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