Real estate data expertise
The most comprehensive nationwide MLS and property data in the industry
Real estate data expertise
The most comprehensive national MLS and property data in the industry
Grow and scale your business with the trust and reliability of:

Serverless cloud-based architecture built on Amazon Web Services for fast, scalable and reliable data pipeline

Real-time automation of MLS data updates available in seconds

Plug-and-play technology compliant with RESO transport protocols and RESO Data Dictionary

Highest quality images at lightning-fast speeds powered by Amazon Web Solutions CDN, Cloud Front with Lambda@Edge

Streamlined MLS feed request processes and approvals to support customer growth plans and targets

Superior customer service with integrated online customer portal and ticketing

20+ years of data services experience


Unbeatable international MLS data coverage
Yes, we work with that MLS.
With 95% coverage in the US and 75% in Canada, Constellation1 Data Services has you covered from coast to coast.
MLS data
Make MLS data work for you.
Constellation1 is the perfect partner for managing every aspect of MLS data aggregation and compliance services.






Expertise to help you navigate the complexities of the entire data integration process

Industry-Leading Data Aggregation

MLS Agreement and Compliance Management

Instant Efficiencies
and Savings
Public records data
Turn public records into valuable, actionable insights.
Mix and match our public records feeds and proprietary analytics to suit your needs.

Complete public records data feeds

ABSENTEE HOMEOWNERS

BUILDING PERMITS

CONSUMER PROFILES

CONTACT DETAILS

ENVIRONMENTAL RISK DATA

ESTIMATED LOAN BALANCE

ESTIMATED PROPERTY VALUE

ESTIMATED RENT

HOA/COA DATA

FORECLOSURES

LISTING EVENTS

PARCEL BOUNDARY DATA

PRE-MOVER SCORES

LIENS

UNIVERSAL ADDRESSES

PROPERTY HISTORY

SCHOOL PROFILES & SCORES

PROPERTY PROFILES

VACANT PROPERTIES
Our valued partners

David Greenbaum, ActivePipe’s Senior Director of Regional Sales, discusses how ActivePipe has
increased revenue by 30% with MLS data feeds from Constellation1.
Industry leaders powered by Constellation1




Data analytics
Pair our feeds with proprietary analytics for even greater insights













