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v3 data generation launch
The API now serves the v3 data generation — a rebuilt national dataset on the same endpoints and response shape.Data improvements
  • Sales history extends through mid-May 2026 in most states (previously ~4 months older), including ownership updates from recent sales.
  • Per-unit parcel identity: every response carries a stable realieParcelId; condo and multi-unit parcels resolve to their own records.
  • Corrected building characteristics nationally (notably bathroom counts, which are now decimal — 2.5 instead of a truncated 2).
Contract changes
  • A small set of v2 fields are renamed, restored under new names, or no longer reproduced; several derived-description fields replace raw code fields. Full list in the migration guide.
  • Some coded fields use different code vocabularies than v2. Decode every value with the Property Feature Field Key.
  • Sale-qualification codes ship in the Realie code system: transfers[].saleCode carries TQ#### qualification codes on every sale event, and bulk exports include the new priceDerivation (PD####) field recording how each price figure was obtained.
Coming
  • Assessor code values will migrate to Realie’s own code system (prefixed codes such as EW0002) in an upcoming data release, replacing the current mix of inherited vocabularies. The complete mapping will be published here before it ships.
  • priceDerivation exposure in API responses (already present in bulk exports).
  • Derived qualified booleans on post-March 2026 sale events arrive with the next data cycle; transfers[].saleCode already carries the qualification codes.