Property Data API for
Developers & Investors
Access 50M+ US property records, AI-powered valuations, comparables, market analytics, and full property tensors through a single REST API.
Look up any property
Search an address to preview the free core property data we return.
145M+
Properties Covered
50 States
Nationwide Coverage
99%+
Market Accuracy vs NAR
100+
Data Fields per Property
Everything you need, in one API
From raw property facts to AI-powered market analysis
Property Profiles
Core property data including beds, baths, sqft, lot size, year built, sold history, tax history, schools, HOA, zoning, and 100+ structured fields.
Property Valuation (AVM)
Instant automated valuation with estimated value, high/low range, forecast standard deviation (FSD), and a 0-100 confidence score — the industry-standard AVM contract.
Comparable Sales
CMA comparable sales for any address — similar nearby homes with price, beds, baths, sqft, lot size, HOA, and school ratings.
Active Listings
Active listings by ZIP code, filtered on property type, beds, baths, and square footage, with pagination.
Market Analytics
Hyperlocal market timeseries and sold reports: median prices, days-on-market trends, distributions, top neighborhoods, and agent & brokerage performance.
One endpoint, all the data
Pass any US property address and get back a comprehensive data object. No scraping, no parsing — just structured JSON.
- Authentication via X-API-Key header
- JSON responses with predictable schemas
- GET and POST methods supported
- CORS enabled for browser requests
curl -X GET \ "https://api.propertytensor.com/api/v1/properties/profile/core?address=915 Stefan Walk, Cumming, GA 30040" \ -H "X-API-Key: your_api_key_here"
{
"street": "915 STEFAN WALK",
"city": "CUMMING",
"state": "GA",
"zipcode": "30040",
"beds": 3,
"baths": 2.5,
"sqft": 2607,
"yearBuilt": 1999,
"lotSize": 33105,
"propertyType": "Single Family",
"latitude": "34.2230649",
"longitude": "-84.118296"
}Explore every endpoint
Valuations, property profiles, comparables, active listings, and market analytics — each with parameters, live examples, and sample responses.
Base URL: https://api.propertytensor.com
Simple, Transparent Pricing
Start free, scale as you grow. Cancel anytime.
Enterprise
Billed monthly
Every plan includes every service
Full access to all endpoints on every tier — plans differ only by request volume.
Estimated market value with high/low range and a 0-100 confidence score.
Beds, baths, living area, year built, lot size, type, geolocation, and schools.
Full 150+ field record: sold & tax history, HOA, zoning, features, and amenities.
Similar nearby homes with price, beds/baths, sqft, lot size, HOA, and school ratings.
Live listings by ZIP with property type and bed/bath/sqft filters, paginated.
Median sale/list price, homes sold, days on market, supply, and more over time.
Hyperlocal sold KPIs, trends, distributions, top neighborhoods, and top agents.
Downloadable ZIP-level market report covering the last 6 full calendar months.
Plus the API playground, usage dashboard, and email support on every plan. View full API docs.
Every plan has the same features and endpoints — plans differ only by included monthly requests and the price per additional request. Paid plans are billed monthly; requests beyond your quota are billed at your plan's per-request rate. Cancel anytime. See our Terms of Service.
Enterprise-grade reliability
API key authentication, HTTPS-only, CORS enabled, rate limiting, and 99.9% uptime SLA. Your integration is secure and reliable.