Purchase agreement

The signed contract between buyer and seller to buy and sell the home. It spells out price, terms, contingencies, deadlines, and what happens if things go wrong.

Also called P&S, purchase and sale agreement, sales contract · Offers & contracts · Updated September 2026

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Part 1 of 4

Why a seller cares

It is the sale, on paper. Every deadline, contingency, credit and remedy for the next six weeks is in it, and when a question comes up later, the answer is almost always on one of its pages.

Part 2 of 4

A simple example

A twelve-page purchase agreement for a $300,000 sale. Most of the questions a seller asks in the weeks after signing are answered inside it.

Purchase agreement: a simple example
The questionWhere the agreement answers it
Can the buyer walk over the inspection?The inspection contingency and its deadline
Who keeps the deposit?The default and remedies section
Does the fridge stay?The inclusions and exclusions list
When do I have to be out?The possession clause

The purchase agreement is the rulebook for the rest of the sale, agreed before any of it happens.

Part 3 of 4

What people get wrong

That it is boilerplate. The blanks and the checkboxes are the deal, and two agreements on the same form can describe very different sales.

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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