MLS Data Solutions
A single source for all your real estate data services, including:
- Bulk processing of authorized data feeds.
- Syndicating data to third party sources.
- Maintaining MLS agreements and relationships.

500+
MLS integrations
25M+
real estate listings
90%
of US listings
75%
of Canadian listings
National MLS Data Coverage
Constellation1 removes the need for you to integrate with various MLSs individually. With 95% MLS coverage in the US and 75% in Canada, Constellation1 Data Services have you covered coast to coast.



Hear it from a customer!
ActivePipe has increased revenue by 30% with MLS data feeds from Constellation1.

Why Constellation1 for your data services?
- 20+ years of experience providing MLS data services
- 28 dedicated staff members serving your Data Services needs
- Expert knowledge in normalizing, cleansing and de-duplicating MLS data
- Proficiency in managing MLS relationships and handling all compliance requirements
- Proven track record as a provider of enterprise level and large-scale IDX data services
- One of the largest MLS data footprints in the industry, with over 500 MLSs in North America

Off-market data

Sold listings

Active listings

Neighborhood &
school information
school information

Market trends
& recent sales
& recent sales

Millions
of daily record changes

High-frequency
refreshes

99.9%
uptime
Interested in learning more about Constellation1 Data Services?
You have data service experts in your corner to manage everything, including:
MLS DATA SETS
- Residential
- Income/Multi-Family
- Land
- Rentals
- Commercial
- Active and Sold
- Agent Roster
- Office Roster
- Open Houses
- Virtual Tours
SYNDICATION SERVICES
- Zillow Group
- Testimonial Tree
- LeadingRE
- Wall St. Journal
- And more
MLS CONTRACTS
- Three-way MLS contracts
- MLS rule compliance
- Display rules dashboard
- Document management
You have data service experts in your corner to manage everything, including:
MLS DATA SETS
- Residential
- Income/Multi-Family
- Land
- Rentals
- Commercial
- Active and Sold
- Agent Roster
- Office Roster
- Open Houses
- Virtual Tours
SYNDICATION SERVICES
- Zillow Group
- Testimonial Tree
- LeadingRE
- Wall St. Journal
MLS CONTRACTS
- Three-way MLS contracts
- MLS rule compliance
- Display rules dashboard
- Document management