ANSI Z765-2021 · Single-family homes
Does this space count?
Answer a few questions about one area of a house to see how the national square footage standard treats it: finished or unfinished, above or below grade, or left out.
§3.7section of the standardAnnexcommentary (guidance, not part of the standard)Fig. 5figure in the standard
This checker summarizes ANSI Z765-2021 in plain language for education only. It is not a measurement, an appraisal, or a substitute for reading the standard, which is published by Home Innovation Research Labs. Lenders, local custom and state condominium law can add their own rules. This tool is not affiliated with or endorsed by ANSI or Home Innovation Research Labs.
Need a house measured to the standard? Aspen Appraisal Services Home Measurement Services