Property Data
Additional Data Solutions
Explore our additional real estate data solutions below.
U.S. Property Data for Ownership, Characteristics, and Tax Assessment Intelligence
Access nationwide Property Data from The Warren Group covering 155M+ U.S. properties with assessor tax data, legal descriptions, geocodes, ownership, building characteristics, and more. Power lending, valuation, insurance, and analytics workflows with one of the most comprehensive property datasets available.
WHAT THIS DATASET IS
Property Data from The Warren Group is a comprehensive dataset describing the physical, legal, and tax characteristics of U.S. residential and commercial properties—including ownership, addresses, last sale and mortgage data, assessment values, zoning, and 35+ property and building attributes.
Sourced from public records and validated by The Warren Group, this dataset provides a unified view of property characteristics across the United States—giving lenders, insurers, real estate professionals, and home service providers a single source of property truth.
With 155M+ properties covered, Property Data is the foundation for valuation, risk, and analytics use cases nationwide.
Turn Permit Activity into Construction Intelligence
Power Valuation & Risk Models
Feed AVMs, underwriting tools, and risk models with detailed, standardized property characteristics.
Verify Ownership & Address
Build address verification, ownership lookup, and report analytics on a unified property dataset.
Target Homeowners with Precision
Identify homeowners by property type, features, and tax characteristics for marketing and outreach.
Enhance Lending Decisions
Gain insight into property life events, tax history, and assessment trends for risk analysis.
Property Data Applications Across Industries
Real Estate Professionals
- Build address verification and ownership lookup tools
- Provide investors and appraisers with detailed analytics
- Generate property reports for buyers and sellers
Mortgage Lenders & Financial Institutions
• Analyze property life events for risk assessment
• Support underwriting with assessment and tax history
• Enrich loan files with standardized property attributes
Insurance Providers
• Verify ownership and legal description
• Enhance risk assessment with assessor data
• Adjust premiums based on property characteristics
Government & Public Sector
• Assess zoning codes for planning and development
• Support fair tax assessment and public records
• Inform housing policy with property-level data
Home Service Providers
• Target homeowners by property characteristics
• Identify properties due for upgrades or improvements
• Build geo-targeted marketing campaigns
Nationwide Coverage with Deep Historical Insight
Ongoing updates with new recordings, changes, and corrections.
Comprehensive Property Attributes
The dataset includes detailed, standardized fields across ownership, characteristics, and tax data:
- Current Ownership (including Mailing Address)
- Physical Property Address
- Last Sale and Last Mortgage Data
- Assessment Values, Fiscal Year, and Tax Amounts
- Property Usage
- 35+ Property and Building Characteristics
- Number of Bedrooms and Bathrooms
- Square Footage
- Construction Material
- Lot Size
- Type of Heating and Cooling System
- Roof Type
- Historical Tax Amount
- Property ID
- Property Address
- Latitude & Longitude
- Building Permit ID
- Contractor ID
- Effective Date
- Permit Number
- Building Permit Classifiers
- Status
- Project Name
- Fees
- Job Value
- Description
Flexible Data Delivery for Any Workflow
The Warren Group offers multiple delivery methods to integrate seamlessly into your systems:
Delivery Methods
• Bulk Data Files
• SFTP / Secure File Transfer
• Amazon S3 Bucket
• REST API / Feed API
• Direct Email Delivery
Formats
- CSV, XLS, TXT
Update Frequency
- Monthly updates with adds, changes, and deletes
Licensing Options
- One-time data purchase
- Monthly subscription
- Annual licensing
- Usage-based delivery
Explore Our Property Data
Request a sample of our Property Data dataset to evaluate:
• Field structure and standardized schema
• Geographic and attribute coverage
• Data completeness and refresh cadence
A Trusted Leader in Real Estate Data
for Over 150 Years
Organizations choose The Warren Group for:
Unmatched Historical Depth
Decades of real estate data expertise combined with 15+ years of standardized national transaction data.
National Scale with Local Accuracy
Deep relationships and expertise in public record data collection and normalization.
Flexible Data Licensing & Delivery
Customizable solutions designed to meet enterprise, analytics, and operational needs.
Customer-First Approach
Responsive support, tailored datasets, and hands-on guidance to ensure successful implementation.
Start Leveraging Property Data Today
Bring 155M+ properties of standardized, validated property intelligence into your valuation, risk, and marketing workflows.
• Speak with a Data Specialist
• Request Sample Data
• Get Pricing
Expand Your Data Strategy
Enhance your analysis by combining Building Permit Data with:
- Deed & Mortgage Data
- Land Parcel Data
- Automated Valuation Model (AVM) Data
- MLS Real Estate Data
- Building Permit Data