ATTOM Data

Overview

ATTOM Data is a leading provider of nationwide property data licensing for more than 155 million US homes. ATTOM's real estate data includes historical tax assessor and recorded transaction data at the property level. Researchers can dive into detailed financial data such as pre-forclosure information, AVM, and more. Information on neighborhoods and school boundaries is also available.

Datasets on Dewey

Datasets	Description
Tax Assessor (5.0)	The most recent assessment for a taxable property.
Assessor History	Recorded history of all assessments for taxable properties.
Recorder	Transaction and mortgage data.
Pre-Foreclosure History	Notice of Default and Lis Pendens data for judicial and non judical jurisdictions.
Community Information Layout	Demographic, population, and other key metrics for neighborhood layers in the US.
School Attendance Boundaries	a nationwide layer of boundaries that identify the geographic areas served by each regular public school.
Neighborhood and Subdivision Boundaries	Small geographic areas comprised of social communities with their own identities.
Automated Valuation Model (AVM)	ATTOM Data's property valuation dataset.

Important Information

Citation Requirements

This data was made available by ATTOM Data (https://www.attomdata.com/) via the Dewey Data platform. (https://www.deweydata.io/)

Terms

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Partner Specific Terms
ATTOM Data has partner specific terms, be sure to review them below before working with these data

Researchers may not download more than 5% of any of the following datasets in the same day:

Tax Assessor
Assessor History
Recorder

Researchers may not download more than 50% of the following datasets in the same day:

Automated Valuation Model (AVM)
Pre-Foreclosure
Community Information for Neighborhoods & Residential Subdivisions Data (Levels 1-4)
Neighborhood & Residential Subdivision Boundaries Data (Level 1-4)
School Attendance Area Boundaries Data

Dewey Data Partner Terms