Our Data Sources
Comprehensive property intelligence built on trusted, verified data sources. We believe in complete transparency about where our information comes from and how we ensure its accuracy.
Comprehensive Data Categories
We aggregate data from trusted sources across multiple categories to provide complete property intelligence
County Recorder & Assessor Records
Official property ownership, deed transfers, and tax assessment data from county government offices across the United States.
Primary Sources:
Deeds, mortgages, liens, judgments, and property transfer documents. These are the primary legal records establishing ownership.
Assessed property value, tax history, exemptions, and property classification. Updated annually by most counties.
Court judgments, foreclosure filings, and legal encumbrances attached to properties or their owners.
Building Permits & Code Enforcement
Construction permits, inspections, code violations, and occupancy records from municipal building departments.
Primary Sources:
Building permits (new construction, renovation, electrical, plumbing, HVAC), inspections, and certificates of occupancy.
Code violations, nuisance complaints, and enforcement actions that indicate property maintenance issues.
Zoning designations, land use restrictions, overlay districts, and permitted use classifications.
Fire inspection records and code violations related to fire safety systems.
Environmental & Natural Hazard Data
Federal environmental databases and natural hazard mapping that identify risks to property safety and value.
Primary Sources:
Flood zone designations (Zone A, AE, V, X), Special Flood Hazard Area (SFHA) status, and Base Flood Elevation (BFE) data. Determines flood insurance requirements.
National Priorities List sites, toxic release inventory (TRI), and Comprehensive Environmental Response cleanup sites.
Properties with known or suspected contamination that may require environmental remediation.
Weather data, geological survey information, earthquake risk zones, and soil survey data.
Market & Neighborhood Data
Real estate transaction records, market trends, and neighborhood-level statistics that inform property valuation.
Primary Sources:
Recorded property sales from county deed records, including sale price, date, and transaction type.
Listing data including original asking price, days on market, and price reductions where available through data licensing agreements.
Historical tax assessment data showing how property valuations have changed over time.
Service request and complaint data (noise, sanitation, infrastructure) that indicate neighborhood quality.
Data Quality Standards
Rigorous processes ensure the highest quality and reliability of our data
Source Verification
Every data source is verified for authenticity and reliability before integration
Freshness Monitoring
Automated systems ensure data is current with configurable update frequencies
Accuracy Validation
Multi-point validation and cross-referencing to ensure data accuracy
Completeness Tracking
Comprehensive monitoring of data coverage and identification of gaps
How We Process Data
Our sophisticated data pipeline ensures accuracy, completeness, and timeliness
Collection
Automated collection from verified sources with real-time monitoring
Validation
Multi-layer validation including format checks and cross-referencing
Processing
Advanced algorithms normalize and enrich data for consistency
Delivery
Clean, structured data delivered through our platform and API
Attribution & Compliance
We respect data providers and maintain full compliance with licensing requirements
Source Attribution
Every data point in our reports includes clear attribution to its original source. We maintain detailed records of data lineage and provide source information to ensure transparency and enable verification.
Licensing Compliance
We maintain proper licensing agreements with all commercial data providers and comply with terms of use for public data sources. Our legal team regularly reviews all data usage to ensure ongoing compliance.
Data Rights
We respect intellectual property rights and work directly with data providers to ensure proper usage. If you represent a data source and have questions about our usage, please contact our legal team.
Questions About Our Data?
Our data team is available to discuss sources, methodology, and answer any questions about our data collection and processing practices.