What Is MREIS (Maine Real Estate Information System) in Real Estate?

MREIS (Maine Real Estate Information System) is the official Multiple Listing Service for the state of Maine. It connects thousands of REALTORS®, brokers, and appraisers, allowing real estate professionals to share listings statewide and ensure accurate, up-to-date property data across every Maine market.

🌐 How the Maine Real Estate Information System (MREIS) Works

The Maine Real Estate Information System (MREIS) serves as the state’s unified real estate database, managed by the Maine Association of REALTORS®. Licensed brokers and agents submit, update, and maintain listings in real time — giving buyers, sellers, and cooperating agents access to the most reliable property data available.

  • Statewide coverage: MREIS covers all regions of Maine, including Portland, Bangor, Augusta, Lewiston, and the coast.
  • Listing syndication: Properties listed on MREIS are automatically shared to major real estate sites like Realtor.com, Zillow, and Homes.com.
  • Data integrity: Every listing is verified by licensed professionals to ensure accuracy and compliance with MLS rules.

💡 Why the Maine Real Estate Information System (MREIS) Matters for FSBO Sellers

For Maine homeowners, the Maine Real Estate Information System (MREIS) is the key to reaching serious buyers statewide. Listing through MREIS puts your home in front of every licensed REALTOR® and buyer’s agent in the state. With Brokerless, FSBO sellers can access MREIS using a flat fee MLS plan — ensuring full visibility without paying traditional listing commissions.

📍 MREIS (Maine Real Estate Information System) Coverage Area

  • Statewide coverage across Maine — from Portland and Bangor to coastal and rural markets
  • Includes all major counties and REALTOR® associations participating in the Maine Association of REALTORS®

Brokerless provides direct access to MREIS, giving sellers comprehensive exposure through Maine’s official MLS system.

🗺️ Statewide MLS Access through the Maine Real Estate Information System (MREIS)

The Maine Real Estate Information System (MREIS) provides coverage across every region of Maine — ensuring properties listed through Brokerless appear in the same system used by professional REALTORS® statewide.

  • Southern Maine: Portland, Saco, Biddeford, York County
  • Central Maine: Augusta, Waterville, Lewiston
  • Northern Maine: Bangor, Presque Isle, Aroostook County
  • Coastal & Islands: Rockland, Bar Harbor, Boothbay, and the Midcoast region

With Brokerless flat fee MLS listings, Maine homeowners can sell confidently statewide while saving thousands in Realtor fees.

📚 Learn more in our Real Estate Glossary or explore How to List on MLS in Maine.