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The Zestimate® home valuation model is Zillow’s estimate of a home’s market value.

For appraisers and lenders who may need training or a refresher, there are many classes available to help them learn or refresh their knowledge of the ANSI standard.

Are you in the market for a new home? Have you ever wondered why accurate measurement of your potential property’s square footage matters?

If you’re looking to buy or sell a residential property, it’s important to understand the ANSI (American National Standards Institute) standards for measuring residential properties.

Would you mind going back to the house and re-measuring? There is more than a five percent difference in GLA (gross living area) between your sketch and that of the other appraiser.

Appraisers must follow the Square Footage-Method for Calculating: ANSI® Z765-2021 (“ANSI standard”) when measuring, calculating and reporting the gross living area and non-gross living areas (basement, additional structures, etc.) of the subject property for most property types.

If you’re selling or looking to buy, one concept that’s crucial to understand is how to calculate square feet of a house.

Appraisers are now mandated to utilize the Square Footage-Method for Calculating: ANSI® Z765-2021 (American National Standards Institute®) as the measuring standard for determining the gross living area (GLA) and non-GLA areas of subject properties.

Fannie Mae’s adoption of the ANSI standard for measuring the area of a home is creating questions, inconsistencies.

Something as concrete as the square footage of your home doesn’t seem like it could be up for interpretation. It’s math, after all. There should be one correct answer, right?