Property Data API for Ownership, Equity & Real Estate Intelligence

Understand every property — and the people connected to it.

The Whitepages Property Intel API is a property data API that provides ownership, occupancy, resident, and contact information through the Whitepages Identity Graph. Built for real estate professionals, investors, and proptech companies, it helps identify property owners, enrich contact data, and understand who is connected to each address.

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Whitepages has been the trusted authority in people and property data since 1997 — and the founder of Ekata and Hiya.

Authoritative Property Intelligence at Scale

92M+

Property Owner & Condition Records

350M+

Linked Identity Records

673M+

Phone & Address Records

454M+

Email Addresses

Key Data Signals Returned by the Property Data API

Each API response can include:

Owner Name
Resident Name
Contact Information (phone number, email, mailing address)
Occupancy Status
Property Characteristics
Coming Soon
Property Financials
Coming Soon
Sales-Likelihood Signals
Coming Soon

These fields make it easy to verify property ownership, enrich contact and address records, and connect property data to the people associated with each home.

Example API response showing property data signals

Why Real Estate & Proptech Teams Use the Whitepages Pro API

Property Ownership with Contact Information

Identify property owners and validate their contact information before engagement with phone numbers, emails, and mailing addresses that reduce errors, guesswork, and missed communications.

Screen showing a property report highlighting property owner contact information

Occupancy & Use Type Indicators

Distinguish between owner-occupied, rental, and vacant properties to refine targeting, valuation, and marketing models. Occupancy insights help proptech platforms and real estate teams prioritize high-intent opportunities and avoid wasted outreach.

Illustration of a house and key representing occupancy and use type indicators

Financial Insights: Value, Mortgage & Equity (coming soon)

Coming Soon

Access a financial profile for each property, including:

Estimated market value and tax assessor value
Mortgage details, including lender and loan status
Estimated equity based on current valuations
Historic and forecast appreciation to understand market trajectory

These insights support equity-based prospecting, investor targeting, refinance modeling, and long-term valuation analysis.

Illustration of a laptop displaying charts and graphs representing property financial insights

Sales Likelihood & Market Activity Signals

Coming Soon

Leverage predictive indicators that estimate the likelihood of a property being listed for sale in the next 12 months. These signals combine ownership tenure, equity position, and neighborhood dynamics — ideal for identifying opportunities, modeling forecasts, and developing pipelines.

Illustration of a property report and house with a dollar sign representing sales likelihood signals

Detailed Property Summary & Neighborhood Comparison

Coming Soon

Access detailed property characteristics such as bed/bath count, square footage, year built, and overall condition. Benchmark each property against nearby homes for comparative analysis, market positioning, and pricing optimization.

Illustration of reports and maps representing detailed property and neighborhood comparison data

Trusted by 100s of Thousands of Businesses

500K+

Subscribers

250K+

Businesses

45K+

Real Estate Professionals

What Whitepages Customers Are Saying

Accurate & Reliable Property Data

“Whitepages property data powers our investment models — ownership, equity, and value insights we can trust.”

– Jordan, Proptech Founder

Simple Integration

“The API is straightforward and responsive. We went from concept to integration in days.”

– Maya, Product Manager, Real Estate Analytics

Essential for Market Targeting

“Our team relies on Whitepages for accurate ownership and value data — it’s core to our outreach strategy.”

– Alex, Brokerage Operations Lead

Use Cases

Whitepages property data supports a wide range of real estate and proptech applications:

Automated Valuation Models (AVMs): Enrich property datasets with ownership, value, and condition details.
Pre-Listing Insights (coming soon): Identify likely sellers before properties hit the market.
Investor Targeting: Surface equity-rich or soon-to-sell properties for acquisition.
Refinance & Equity Leads: Pinpoint homeowners with high equity and favorable lending profiles.
Home Service Targeting: Distinguish occupied vs. vacant properties.
Market Trend Forecasting: Integrate historical and forecast appreciation into predictive analytics models.

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Trusted by 250,000 businesses and tens of millions of monthly users

FAQs

What is the Whitepages Property Intel API?

The Property Intel API provides owner and resident information for more than 92 million U.S. residential addresses. It also returns linked contact details, including phone numbers, emails, and mailing addresses. Property and contact data are matched through the Whitepages Identity Graph, which supports ownership verification and contact data enrichment for real estate and proptech workflows.

Does the API provide contact information for property owners?

Yes. The property data API returns phone numbers, email addresses, and mailing addresses for most property owners. For one-time lookups, you can also try our reverse phone or person search.

What search options are available?

Call the API to search by a partial or full residential address, an owner name, or both for higher accuracy. It also supports reverse address lookup and owner lookup by address for verification and enrichment tasks.

Does the API support address append or property append?

Yes. When an address is matched in the Whitepages Identity Graph, the property data API returns a standardized residential address for address append workflows. It also provides owner, resident, and contact information for property append and enrichment tasks.

Can I use the API to predict likelihood to sell?

This data is coming soon. Predictive indicators in the real estate data API use ownership history, equity position, market trends, and property-to-person signals to support modeling of a property’s likelihood to be listed for sale within the next 12 months.

Is the data suitable for AI and predictive modeling?

Yes. The Whitepages Pro API returns normalized, structured data optimized for LLM and predictive use cases, including lead scoring, valuation forecasting, and investment modeling.

Can I integrate this data into my proptech or valuation model?

Yes. The real estate data API provides RESTful endpoints for real-time enrichment and is best suited for powering AVM models, investor platforms, and predictive analytics. Teams may also use it alongside their own MLS data with internal workflows.

How is pricing structured?

Whitepages API pricing is based on your monthly query volume. You can choose a monthly plan or save 15% with an annual subscription. A free 14-day API trial is also available. For a custom quote, you can request API access, and a Whitepages team member will follow up within 1 to 3 business days.

Where can I find technical documentation?

Access the official API documentation here or by clicking “View API Documentation” above. It includes API endpoint definitions, quickstart authentication setup, JSON request/response formats, and integration examples.

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