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About zipappreciation.com
About this independent home appreciation data site and how it uses public FHFA HPI data.
Last updated 2026-06-18
What this site does
zipappreciation.com helps homeowners, buyers, researchers, and publishers estimate broad home price movement by 3-digit ZIP region using public FHFA HPI® files.
The site is designed as a practical data utility: look up a region, compare it with national or state-level context, and use the calculator to apply regional index movement to a value you enter.
What this site does not do
It does not produce an appraisal, tax assessment, lender valuation, automated valuation model, Zestimate, or guaranteed sale price.
It is independent and is not affiliated with, endorsed by, or sponsored by the Federal Housing Finance Agency.