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Premium Real Estate Data

Powering Innovation With Property Data and Analytics

ATTOM blends property tax, deed, mortgage, foreclosure, valuation, real estate listings, climate change risks, hazard, boundaries, schools and neighborhood data for more than 155 million U.S. residential and commercial properties. ATTOM’s data covers 99 percent of the nation’s population and is multi-sourced from more than 3,000 U.S. counties. With more than 70 billion rows of transactional-level data and more than 9,000 discrete data attributes, the 30TB ATTOM data warehouse powers business innovation by providing actionable real estate data and analytics. Property data that fuels growth across many industries to help drive decisions while delivering data in a variety of flexible customer solutions, including ATTOM Cloud, property data APIs, property reports and bulk data licensing.

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ATTOM Table of Data Elements

  • Assessor Tax
  • HOA Fees
  • Addresses
  • Legal Description
  • Zoning Use
  • Property Characteristics
  • Interior Features
  • Exterior Features
  • House Size
  • Lot Size
  • Geocodes
  • Building Permits


  • Owner Names
  • Tax Mailing Address
  • Exemptions
  • Occupancy
  • Vesting Details
  • Recorder Deeds
  • Transfers
  • Loans
  • Borrower Details
  • Seller Details
  • Mortgage History
  • Loan Posiitons
  • Sales Trends
  • iBuyer Trends
  • Sales Price
  • Estimated Sales Price
  • Parcel Boundaries
  • School Attendance Areas
  • School District Boundaries
  • Neighborhood Boundaries
  • Residential Subdivisions
  • Census Boundaries
  • Postal Boundaries
  • Canadian Boundaries
  • Flood Zones
  • HOA Foreclosures
  • Default Notices
  • Recording Dates
  • Foreclosure Amounts
  • Auction Dates
  • Opening Bids
  • Trustee Details
  • Foreclosing Lenders
  • Servicer Details
  • Bank Owned
  • AVM
  • Rental AVM
  • Assessor Tax Values
  • Assessor Market Values
  • Home Equity
  • Comparable Sales
  • Active Listings
  • Sold Listings
  • Photos
  • Days on Market
  • Home Features
  • Open House
  • Agent/Office
  • Dates
  • Prices
  • Wind Index
  • Tornado Index
  • Hail Index
  • Hurricane Index
  • FEMA Flood Hazard
  • Radon
  • Air Pollution
  • Earthquake Risk
  • Weather Risk
  • Clandestine Drug Labs
Climate Change Risks
  • Flood
  • Drought
  • Wildfire
  • Heat
  • Storm
  • Demographics
  • Crime
  • Unemployment Rates
  • Transportation Noise
  • Transit Routes
  • Points of Interest
  • Weather
  • School Districts (K-12)
  • School Profiles (K-12)
  • School Ratings & Reviews
  • School Test Scores

Producing Quality Real Estate Data

Our rigorous Enterprise Data Management Program (EDMP) involves more than 20 steps that validate, standardize and enhance the real estate data collected by ATTOM – the industry’s leading real estate data company, assigning each property record a persistent, unique ID — the ATTOM ID — before blending with other datasets, including neighborhood, natural hazard, and environmental. This process ensures we deliver the highest quality and most usable property data to our customers.

The ATTOM Enterprise Data Management Program (EDMP)

Property Address

Property Address Standardization

  • Address verification and geocoding
  • National Change of Address check in accordance with USPS guidelines
Property Owner Name

Owner Name Parsing

  • Separation of multiple owner names
  • Identification of institutional and individual owners

ATTOM ID Matching

  • Each record matched to persistent, unique “ATTOM” ID for the property
  • Can be easily joined to all other records or datasets related to the property
Multi-Sourced Property Data

Fusion of Multi-Sourced Data

  • Multiple sources synergized and prioritized
  • Delivers most complete view of property data
Real Estate Data Governance

Data Governance

  • In-house team pro-actively tests and curates data
  • Responds to customer feedback and questions
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What is real estate data?

Real estate data provides information on commercial and residential properties. This typically encompasses assessor and tax, geocodes, property characteristics, foreclosure, and ownership data. Robust property data provides professionals in sectors including real estate, insurance, marketing, mortgage and the government with in-depth insights into local properties.

Custom Data Solutions

Our customers access ATTOM data through a variety of flexible formats that allow them to consume the property data most efficiently – whether that be for powering a web portal, software or application or applying proprietary predictive analytics and machine learning to the data. We provide powerful, scalable ATTOM Cloud solutions to deliver large volumes of data for a range of business needs. Our specific custom data solutions include:

Fueling Industry Innovation

Our customers leverage ATTOM’s robust property data to innovate in a variety of industries, including Real Estate, Insurance, Mortgage, Marketing, Government and Academia. By utilizing ATTOM’s robust property data our clients not only create innovation but gain that competitive advantage within their industry. End-users of the data include developers, data scientists, risk managers, investors, policymakers and analysts.

  • Property search portals
  • Transaction management and workflow platforms
  • Crowdfunding platforms
  • Home improvement & services
  • Title & escrow
  • Commercial real estate
  • Home insurance carriers
  • Risk modelers
  • AI & machine learning providers
  • Lenders & servicers
  • Lending search portals
  • Government regulators & GSEs
  • Marketing list brokers
  • Direct mail platforms
  • Colleges & universities