Comparing US Property Data Access: ATTOM, Cotality and Regrid

A decision-focused guide to comparing property data access by record type, geography, delivery and license rather than a provider ranking.

ATTOM, Cotality and Regrid are not interchangeable products. Compare the record types, geography, delivery method, licensing and update requirements that matter for your workflow instead of using a single provider ranking.

ATTOM

ATTOM documents a property API with an API key, interactive documentation and property, assessment, transaction and related resources. Its published materials describe a free trial, while available fields, coverage and commercial terms should be confirmed for the selected package.

Cotality

Cotality is the name adopted by CoreLogic. Treat it as a provider-level option: its products, delivery methods, licensing and coverage vary, so confirm the specific product rather than assuming a single API or dataset applies to every use case.

Regrid

Regrid focuses on standardized parcel data and offers county, state, bulk and API access paths. Its data store directs buyers to review field availability and coverage for the selected geography before purchase or integration.

A practical evaluation

• Name the required record types and geographies before comparing coverage statements.
• Test the documentation, authentication and response formats for the specific API or download.
• Review field availability, refresh expectations, licensing and price with the provider for the intended use.
• Keep local authoritative sources in the evaluation where a decision depends on a current county record.

Next step

Use the primary documentation for current product details and compare the directory records for the evidence and limits captured in this catalog.