Property Data APIs
Real Time, Fully Integrated Property DataIndustry 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 Data API
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.

Client
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 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 Information Services provides risk mitigation and transaction verification data for loan risk models.
SetSchedule utilizes ATTOM’s Automated Valuation Model (AVM) to help power their SetValue network for homeowners.
How Can You Use ATTOM’s Property Data API?


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


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


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


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…
Featuring:
- Sean Mooney, VP of Product Management, ATTOM Data Solutions