Property Data
Reliable. Comprehensive. Timely.The most robust collection of U.S. property data including Assessor Tax Data, Legal Descriptions, Zoning Uses, Geocodes, Property Characteristics, House Size, Building Permits, Lot Size, Addresses, Interior and Exterior Features all compiled in one, easy to access data warehouse. Real Estate investors, financial institutions and more use detailed real property data to better understand the overall picture of a property. Let ATTOM be your go-to data provider to elevate your business to the next level.
Real Property Data at Your Fingertips
Assessor Tax
Includes publicly available property ownership information compiled by county tax assessor offices. The best assortment of Assessor Data includes many details in the following categories: Property Identification, Ownership, Address, Legal Description, Values and Taxes, and Characteristics as made available by the county sources.
HOA Data
HOA contact and fees data identifies properties that are part of a Homeowner Association. The product includes detailed contact and fee information on the HOA.
Addresses
Provide searchability by physical location of most buildings, whether it be residential, commercial, land or other structures, to better identify boundaries, census-tracking, mail routing and more.
Property Legal Description
Gain valuable insight on a property’s county accepted description, outside of the property address. A property’s legal description contains information used to identify a specific parcel of land. The detailed information assists those in the industry to assure themselves in working with the correct property, as made available by the county sources.
Property Characteristics
Property characteristics nationwide that include: number of bedrooms/bathrooms, stories, lot area, sewer & electrical, building/living square footage, porch or balcony, garage details, heating and cooling details, interior and exterior construction materials, lot description details, and more.
Interior Features
Discover detailed primary interior features, such as number of bedrooms, bathrooms, year built, finished / unfinished basement and attic square footage and much more, as made available by the county sources.
Exterior Features
Exterior features data breaks out a property’s key components, such as fireplaces, garage type, roof, pool and spa details, and more, as made available by the county sources.
House Size
Better understand the building and living footage of residential, commercial, and industrial property types. This may include individual floor footages, along with attic and basement information, as made available by the county sources.
Lot Size
An important component of any property is an accurate lot size. If you are wanting to expand on a property with an outdoor shed, stand-alone garage or needing more detail, having an accurate property lot size is key.
Property Zoning
Local jurisdiction Zoning Codes from ATTOM feature classifications made available by the local (city or county) zoning, building and/or code enforcement departments for all property types, including residential, commercial, industrial, and agricultural. Zoning data assists in providing allowable uses when developing land.
Geocodes
A geocode is a set of coordinates, usually longitude and latitude, representing a specific physical location. Precise latitude/longitude coordinates for a property make mapping applications accurate. Address-based interpolation and Parcel-centroid methods are both ways geocoding is used to locate a parcel.
Building Permits
With residential and commercial data for over 200 million building permits from over 2,000 building departments nationwide, ATTOM’s building permit data is updated monthly with historical insight, detailed permit classifiers and covers 94% of the nation’s top cities.
What is Real Property Data?
Property data encompasses detailed information on a commercial or residential property in a specific geographical location. This data may include information such as property characteristics, location, size, ownership, zoning, legal description, and interior and exterior features.
Have Questions About Property Data?
How Can You Use ATTOM’s Property Data?
Real Estate
Build intelligent solutions to enable address verification and report analyses that provide investors, realtors and appraisers with detailed analytics.
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Government
Assess zoning codes to ensure proper planning and development.
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Insurance
Enhance risk assessment with assessor data to verify ownership or legal description of a property.
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Mortgage
Gain critical insight into the significant events in the “life” of a property utilizing building permit data to help analyze risk.
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Home Repair and Improvement
Target homeowners who may be looking to add new exterior or interior features to their home or those who have recently applied for a building permit.
2025 Housing Market Outlook
Join us as Todd Teta, Chief Product & Technology Officer, for ATTOM and Mike Simonsen, Founder and President of Altos Research, explore what lies ahead for the housing market in 2025 by examining key market indicators and analyzing the current housing landscape. This outlook assesses the economic climate and recent data on home sales prices, inventory levels, affordability, distressed properties, and other critical factors shaping the market’s trajectory.
High-level insight includes:
- Current housing market trends
- What fluctuating interest rates mean for the market
- Home affordability
- Home sales, prices, and price reductions
- Homeownership Tenure
- Inventory and Prices Forecast for 2025
- Delinquencies, defaults, and the foreclosure market
- And more….
ATTOM’s Data is Your Business Advantage
Comprehensive
A multi-sourced, enhanced national warehouse that contains information on more than 158 million U.S. properties including:
- 70+ Billion Rows of Data
- 9,000 Data Fields
- 30TB Warehouse
- 99% Population Coverage
Flexible
Access ATTOM through a variety of flexible solutions to consume the most efficient real estate data for your specific business needs including:
Quality Data
- Property Address Standardization
- Owner Name Parsing
- ATTOM ID Matching
- Fusion of Multi-Sourced Data
- Data Governance
Learn more about ATTOM and view our Table of Data Elements.
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