Property Data APIs

Real Time, Fully Integrated Property Data
Home > Solutions > api

Industry Leading Real Estate Data
Ready to Fuel Your Business

ATTOM’s Property Data API (application program interface) is a self-serving platform that powers various
industries with premium property data. Our innovative API platform consolidates property-centric tax, deed,
mortgage, and foreclosure data with enhanced neighborhood, school, crime, and community data.


ATTOM’s Residential Property API stands on the most comprehensive real estate and property data sets available to the market. We ingest more — and more accurate information — than any of our competitors.


Our clients make a request using a property address, parcel number (APN), ATTOM ID or even longitude and latitude coordinates.

API Connect

ATTOM’s Property API platform supports both JSON and XML formats running REST conventions and can be used to perform on-demand and ad-hoc requests for targeting specific properties.

Data Warehouse

The depth and breadth of ATTOM’s data warehouse supports these real estate APIs, and powers your software, websites, and apps with best of breed property and neighborhood data.

Ready to Start Building?

Covering more than 155 million U.S. properties and 99% of the U.S. population, ATTOM’s nationwide database can provide property details for data requests drilling down from the national level to specific parcels.

Get a free trial API key and learn how ATTOM’s real estate data streamlines your data management and becomes your product’s single data source.

Discover ATTOM’s Real Estate Data API Difference

Data Depth

ATTOM empowers customers with better real estate data. We warehouse our data nationwide with myriad data points on each parcel including ownership information, lat/long, square footage, loan types, sales history, sales comps, crime, schools and more.

Stellar Support

ATTOM can set you up with test drive that gives you access to our developer sandbox and knowledge base. One of ATTOM’s technical support team members will also be assigned to you, to ensure your questions are answered every step of the way.

ATTOM Client Case Studies

See how our customers are using ATTOM’s Real Estate Data to fuel their innovation and growth.

Foresight Logo

Foresight Information Services provides risk mitigation and transaction verification data for loan risk models.

Read Their Story

SetSchedule logo

SetSchedule utilizes ATTOM’s Automated Valuation Model (AVM) to help power their SetValue network for homeowners.

Read Their Story

How Can You Use ATTOM’s Property Data API?

Insurance Companies


From mailing lists to targeted copy, ATTOM can insert value-added content into your online, digital, and print collateral.

Investment Research

Automated Forms

Simplify online forms for your customers with pre-populated information that they can verify.



Start modeling faster with clean and current data. ATTOM’s Real Estate API supports your geography, volume, and response time needs.

OSHA Compliance

Correlated Multi-Use

When a mix of property and neighborhood data is needed, ATTOM’s data is correlated with ATTOM ID for ease of use.

Utilizing and Leveraging ATTOM’s API Platform Webinar

Don’t miss this insightful webinar, as our VP of Product Management, Sean Mooney introduces you ATTOM’s innovative property data API platform, what it entails, and how you can utilize our API to power your business.

ATTOM’s API stands on the most comprehensive real estate and property data sets available to the market. We ingest more – and more accurate information – than any of our competitors. A few of the key points that will be covered in this webinar include:

  • Getting to Know What an API Entails
  • Common Use Cases
  • Developer Portal Demo
  • And much more…


  • Sean Mooney, VP of Product Management, ATTOM Data Solutions

See How ATTOM Can Make a Difference for Your Business!

Attom NewsletterATTOM Newsletter

Sign up to get free Real Estate & Housing Market Trends!

  • This field is for validation purposes and should be left unchanged.