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NorCal MLS Alliance

Seven leading MLSs in Northern California created the NorCal MLS Alliance to ensure real estate professionals have the greatest access to MLS data in and near the areas they do business.

bay east
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MLS data accessible to over 55,000 real estate professionals.


Serving a population of more than 11.5 million people.


Covering more than 28,000 square miles and 22 counties.

22 Northern California Counties

The NorCal MLS Alliance covers the following counties:  Alameda, Amador, Contra Costa, Marin, El Dorado, Mendocino, Merced, Monterey, Napa, Nevada, Placer, Sacramento, San Benito, San Francisco, San Joaquin, San Mateo, Santa Clara, Santa Cruz, Solano, Sonoma, Stanislaus and Yolo.


NorCal MLS Alliance Benefits

Listing Data

Access to more listing data across multiple MLSs without having to have multiple MLS Memberships.

10 Years Plus

More than 10 years of successful data sharing and cooperation amongst 7 MLSs.

Local MLS Goverance

Maintain local governance of your MLS which means support from your local experts with knowledge of your unique marketplace.

Frequently Asked Questions

NorCal MLS Alliance In Pictures

NorCal MLS Alliance

  • Bay East Association of REALTORS®
  • bridgeMLS
  • Contra Costa Association of REALTORS®
  • MetroList®
  • MLSListings
  • San Francisco Association of REALTORS®