The Industry’s Leading Real Estate Data API
Estated is now ATTOM. ATTOM’s Property Data API gives you instant access to one of the nation’s most comprehensive real estate datasets, covering more than 160+ million U.S. properties in one easy-to-integrate platform. Access data on:
- Ownership
- Valuations
- Mortgage
- Demographics
- Boundaries
- Market Trends & Analytics
- Contact information
- And More
Award-Winning Innovation
Explore ATTOM’s Most Popular Property Data APIs
Access the industry’s most comprehensive real estate data through ATTOM’s suite of APIs.
Parcel Boundary Data
Access parcel shapes, boundaries, and lot dimensions for mapping and land analysis.
Property Records Data
Retrieve detailed property data including ownership, tax, assessment, and transaction history.
Pre-Foreclosure Data
Access pre foreclosure and default related property reccords to identify distressed property opportunities and market trends.
Real Estate Data
Access comprehensive real estate datasets covering valuations, sales, and market trends.
AVM Data
Access automated valuation model data covering nationwide property values and market comparables.
Parcel Data
Get standardized parcel-level attributes across 155 million U.S. properties.
Mortgage History
Access historical mortgage and lien records, including loan amounts, lenders, and orgination dates.
Property Data API
The central API for access to ATTOM’s full property database and related datasets.
Why Developers Choose ATTOM APIs
Nationwide coverage
across 158+ million properties
Clean, normalized data
ready for immediate integration
Flexible pricing
and volume-based usage
Cloud-hosted with fast response times and strong uptime
Easy onboarding and developer-friendly documentation
Scalable data to support real estate, mortgage, and insurance solutions
The API is easy to work with and, whenever there is an issue, ATTOM’s customer service is great…We’re even looking at purchasing additional types of data from them.”
—Max Nilsson
General Manager, AgentFire
How it Works
Determine your endpoints.
Leading Media Outlets Turn to ATTOM for Trusted Data
Comprehensive Endpoints for All Your Data Needs
ATTOM’s property data API endpoints provide robust and comprehensive access to a wealth of property, community, consumer, and financial data, empowering users with reliable and actionable insights. While the list below showcases many key endpoints, it’s not exhaustive—there’s even more to explore to meet your unique data needs.
- Addresses
- Legal Descriptions
- Square Footage
- Lot Size
- Zoning
- Property Characteristics
- Borrower Details
- Sales Price
- Mortgage History
- Transfers
- NMLS IDs
- Mortgage Assignments
- Sales Trends
- Housing Inventory
- Foreclosure Activity
- Rentals
- Home Affordability
- Vacancy Rates
- ResiScore
- Comps
- Home Equity
- Rental AVM
- AVMs
- Home Price Index
- Propensity to Default
- Loan Model
- Flood Risk
- Earthquake Risk
- Hurricane Risk
- Wind Index
- Tax Mailing Address
- Occupancy
- Transparent Owner
- Owner Names
- Foreclosure Filing
- Default Amount
- Lender Name
- Auction Date
- Neighborhood
- Residential
- School
- Building Footprints
- Parcel
- School Districts
- School Profiles
- School Test Scores
- Points of Interest
- Demographics
- Crime
- Unemployment Rates
Leading Media Outlets Turn to ATTOM for Trusted Data
Have Questions About ATTOM’s API?
Contact Us Now.
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