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Glossary

ANSI Z765

The US standard for measuring single-family homes. ANSI Z765-2021 explains how to measure and report the square footage of a single-family home: from the outside walls, finished area above grade only, with basements and garages on their own lines.

By the Squaremetry team · Updated · How we calculate

Definition

Definition

The US standard for measuring single-family homes.

What it means

ANSI Z765-2021 explains how to measure and report the square footage of a single-family home: from the outside walls, finished area above grade only, with basements and garages on their own lines. Fannie Mae appraisals follow it since April 1, 2022.

Compared with other terms

Table: related terms compared
TermWhat it includes
ANSI Z765The US standard for measuring single-family homes.
Gross living area (GLA)Finished area above grade, from the outside walls.
Finished areaFloors, walls and ceilings finished like the rest of the house.
AppraisalAn estimate of value that uses the GLA of the home.
Read the guide: ANSI Z765 rules

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