Gross living area

The finished, heated square footage above grade, measured from outside walls. This is the number that shows up in listings and appraisals. Basements don't usually count.

Also called GLA, living area · Property condition · Updated September 2026

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Part 1 of 4

Why a seller cares

GLA is the square footage that the listing, the appraisal and the comps all use, measured from the outside walls above grade. Getting it right avoids a listing that overstates and an appraisal that corrects it.

Part 2 of 4

A simple example

The county says 1,750 square feet. The appraiser measures 1,710 above grade and lists the finished basement separately.

Gross living area: a simple example
The source of the numberWhat it tends to say
The county assessorOften close, sometimes off by a room
The appraiser's measurementThe number the lender uses
A listing that includes the basementLarger, and likely to be challenged

GLA is measured, above grade, from outside. Anything else is a description.

Part 3 of 4

What people get wrong

That the number on the county's site is the number. Appraisers measure, and the two often differ by a little.

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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