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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:

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

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Real-time automation of MLS data updates available in seconds

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

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

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

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Superior customer service with integrated online customer portal and ticketing

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20+ years of data services experience

Start scaling just add data
MLS Coverage Maps

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.

Whether you need 5 MLS feeds or 500, Constellation1 is the perfect partner for managing every aspect of MLS data integration, from contract negotiation to compliance.

MLS Data Solutions
active-listings
Active listings
sold
Solds
Photos & property details
Photos & property details
Market trends
Market trends
And more…
And more…

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

Real Estate Data Aggregation & Syndication

Industry-Leading Data Aggregation

Neighborhood & School  Data

MLS Agreement and Compliance Management

Data Market Trends Real Estate

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.

Real Estate Data Services

Complete public records data feeds

Home owners icon
ABSENTEE HOMEOWNERS
building permits icon
BUILDING PERMITS
consumer profiles icon
CONSUMER PROFILES
contact details icon
CONTACT DETAILS
environmental risk data icon
ENVIRONMENTAL RISK DATA
estimated loan balance icon
ESTIMATED LOAN BALANCE
estimated property value icon
ESTIMATED PROPERTY VALUE
house for rent icon
ESTIMATED RENT
hoa coa data icon
HOA/COA DATA
foreclosures icon
FORECLOSURES
House for Sale icon
LISTING EVENTS
parcel boundary data icon
PARCEL BOUNDARY DATA
pre-mover scores icon
PRE-MOVER SCORES
liens icon
LIENS
universal addresses icon
UNIVERSAL ADDRESSES
listing icon
PROPERTY HISTORY
clock behind the bell icon
SCHOOL PROFILES & SCORES
property profiles icon
PROPERTY PROFILES
vacant properties icon
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

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HomeStack logo
ActivePipe logo
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Data analytics

Pair our feeds with proprietary analytics for even greater insights

Data analytics
house sold
Repeat Sales
Home Score
Ownership Risk (Home Score)
Investor Score
Investment Risk (Investor Score)
Cost of Ownership
Cost of Ownership (COI)
Market Strength
Market Strength (MSI)
Lifestyle
Lifestyle (LRI)
Desirability
Desirability (SDI)
Market Life
Market Life (DMI)
Agent Performance
Agent Performance (LPM)
Path of Growth
Path of Growth (GTI)
Community
Community (CGR)
Market Retarget Data
Market Retarget Data (MRD)
Feature Adjacency Data
Feature Adjacency Data (FAD)

Keep up with the latest data trends
on the Constellation1 blog