Property Data Built
for Scale
Standardized data on 160M+ properties across 3,143 counties. Access property characteristics, ownership records, transaction history, valuations, and geographic context.
North American Coverage
Daily
Updates
Properties
Places
People
Schools
Properties
(CID)
Characteristics
Values
Geocodes
Values
Equity
People
Places
Neighborhood Boundaries
School Boundaries
Parcel Boundaries
Legislative Boundaries
Administrative Boundaries
Statistical Boundaries
Schools
School Profiles
School Demographics
Test Scores & Rankings
Why Constellation Data Labs
1 /5
Built for Scale
Standardized data on 160M+ properties across 3,143 counties. Our unified data model ensures consistency, managing billions of points and millions of daily updates
2 /5
The Complete Picture
Go Beyond Listings: Property data includes ownership, tax assessments, mortgage details, and market trends for the complete picture
3 /5
Support That Works With You
Dedicated Support that Works With You: Get hands-on guidance from real estate data experts who are invested in your success. Responsive from onboarding to optimization
4 /5
Infrastructure That Performs
Flexible Integration: Modern APIs, bulk delivery, and cloud-native architecture designed for developers. Choose GraphQL (real-time), bulk files (analytics), or direct cloud integration (Snowflake/S3)
5 /5
Designed to Work Together
Designed to Work Together: Listing Integration and Property Data integrate seamlessly. Every property is pre-matched to a unique Constellation ID (CID), eliminating complex address matching and ensuring consistent normalization
Integration & Delivery
GraphQL API
Automated property data retrieval reduces time spent on manual property research, accelerating loan processing timelines.
Bulk Data Delivery
Organizations typically see 30 – 40% reduction in data costs based on customer feedback. Eliminating manual property research reduces operational expenses.
Cloud Data Sharing
Comprehensive property data reduces errors in loan applications and underwriting decisions, improving quality and reducing risk.
Custom Integration
Access to comprehensive property and market data improves underwriting accuracy and portfolio risk management.
Ready to Integrate Property Data?
Get started with our comprehensive property data infrastructure today
Coverage & Licensing
Flexible Coverage
License nationwide, by state, by county, or define custom regions. Pay for the coverage you need
and scale as you grow.
Modular Data Selection
Choose relevant data modules based on your use case. Common configurations include property characteristics with tax data for valuations, or full property and people data for lead generation.
Update Frequency
Daily updates for high-frequency data like foreclosures and new mortgages. Weekly updates for sales and transfers. Monthly or quarterly updates for tax assessments based on county schedules.
Who uses our data
Frequently Asked Questions
1. What is property data?
Property data includes detailed information about real estate, such as property attributes, ownership, transaction history, valuations, and local context. It provides a foundation for building products and a wide variety of analytical, decision-making, and operational workflows.
2. Who uses your property data?
Real estate data is relevant to a wide variety of industries. Our data is used by real estate companies, prop tech providers, mortgage and mortech providers, and other vertical markets that intersect with property addresses for many diverse purposes.
3. What kinds of property data do you provide?
We offer comprehensive datasets including property address and location information, parcel boundaries, property characteristics, structure details, property taxes and assessed values, ownership information, sales and transfers, mortgages and estimated balances, and estimated values. We also provide geographic datasets including a full suite of administrative, legislative, statistical, school, and neighborhood boundaries pre-matched and fully integrated with our property data.
4. Does your property data complement real estate listings?
Yes. We optimize our property data to be used with real estate listings aggregated via our Listing Integration platform. Many attributes are consistently normalized across listing and property data for ease of integration.
5. Do you include MLS data in your property data offerings?
We offer comprehensive datasets including property address and location information, parcel boundaries, property characteristics, structure details, property taxes and assessed values, ownership information, sales and transfers, mortgages and estimated balances, and estimated values. We also provide geographic datasets including a full suite of administrative, legislative, statistical, school, and neighborhood boundaries pre-matched and fully integrated with our property data.
6. Is your data standardized?
Yes. Our data is structured for consistency across datasets—even when they originate from different sources. Many attributes are consistently normalized across listing and property data for seamless integration.
7. What geographic coverage does your data provide?
We provide standardized property data for 160M+ properties across 3,143 counties in the United States, including both urban and rural areas, and covering 99.9% of the U.S. population.
8. Can I license property data by state or county?
Yes. Our licensing is flexible, allowing you to access data by state, county, or nationwide depending on your business needs.
9. How often is the data updated?
We process and update millions of properties each day so you can rely on accurate, current information. Specific refresh rates vary by dataset, geographic area, and delivery method. Updates can be provided daily (weekdays), weekly, or monthly according to your business needs.
10. How do I access the data?
You can choose from our modern GraphQL API, bulk file delivery, direct cloud data sharing (S3, Snowflake, etc.), or custom integrations. We’ll help you choose the best delivery option based on your use case, technical, and operational needs.
11. What kind of support do you offer during integration?
Our team provides hands-on support including onboarding, technical guidance, and troubleshooting to ensure a smooth and efficient integration.
12. How quickly can I get started?
Our team is ready to help you get up and running quickly.
Ready to integrate with Constellation Data Labs?
Schedule a call to explore our data solutions
