Sources that carry it

6 sources
HouseCanary
HouseCanary Analytics API

Commercial subscription API accepting a buyer-selected U.S. address or HouseCanary slug, including batches up to 100 properties. Current docs expose mortgage/lien, non-rescinded Notice of Default, and estimated-LTV responses with processing month, default status, last default date, and estimated current total lien. Repeated mortgage records remain prose.

Paid APIBatch enrichment National US 9 fields
Verisk
ProMetrix Commercial Building Reports

Standing credentialed U.S. commercial-property report product within ProMetrix. A buyer can retrieve reports for selected properties through the ProMetrix portal or named core/workbench integrations. Building Underwriting, Property Details, and Building Fundamentals are report variants of this one product, not separate Sources. Outputs combine Verisk field/virtual surveys, models, public records, and partner data; static observations do not establish present operability.

Paid National US 64 fields
e2Value, Inc.
Pronto Address-First Replacement Cost Valuator

One branded residential/commercial product. A licensed user supplies an address; third-party data populates characteristics and Pronto returns an immediate localized replacement-cost report, imagery, data scores, and provenance markers. Residential and commercial are documented modes, not separate contracts.

Paid Batch enrichment Unknown 36 fields
PropertyRadar
PropertyRadar Property and Owner Data API

Commercial Public API for buyer-selected properties and owners. Current OpenAPI includes GET /v1/persons/{PersonKey}/liens with lien/judgment type, recording date, open/released status, document number, county, amount, filing date, parties and case number. Relatives, contacts, and document images are excluded.

Paid APIBatch enrichment National US 14 fields
Regrid
Regrid Parcel API

Commercial U.S. parcel API/licensed file product covering 160M+ parcels. Current schema documents stable keys, API-queryable owner, owner classification, previous owner, mailing address, assessor values, last sale, and ownership transfer. No owner-level portfolio count or aggregate property value is documented.

Paid APIFull file Multi-country 12 fields
RentCast
RentCast Property Data API

Authenticated commercial U.S. API for buyer-selected addresses. Current Property Records OpenAPI emits stable property/assessor ids, last sale date/price, assessment/tax histories, owner object/mailing address, and ownerOccupied boolean. It does not document mortgages, liens, or arbitrary owner-name search.

Free API National US 11 fields

Questions it helps answer

Need Assessment year at scale?

We compare every source that carries it on your own records — fill rate, freshness, definition — and bring the winner into production for you.