Cooperative

Instead of owning your unit, you own shares in a corporation that owns the whole building. The shares give you the right to live in a specific unit. Common in older cities, especially New York.

Also called co-op · Properties & types · Updated September 2026

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Part 1 of 4

Why a seller cares

A co-op sale is a sale of shares and a lease, and the board has to approve the buyer. It adds an interview, a financial review and weeks to the timeline, and a board can decline without giving a reason.

Part 2 of 4

A simple example

Your co-op buyer submits a board package with tax returns and references. The board interviews them in week five and approves in week six.

Cooperative: a simple example
The stepWhat is different in a co-op
The buyer's approvalThe board's, on top of the lender's
The timelineWeeks longer, set by when the board meets
A declined buyerBack to market, with no explanation offered

In a co-op, the building chooses the buyer too.

Part 3 of 4

What people get wrong

That a co-op sells like a condo. Ownership, financing and approval all differ, and the board is the biggest difference.

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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