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In celebration of NWMLS’s 40th anniversary in 2024, let’s take a look at how our organization has expanded over the years with the merger of 22 MLSs to become the largest member-owned, not-for-profit multiple listing service in the region.
1984
Eastside Brokers Association, North End Brokers Association, South West Multiple Listing Service, and Real Estate Multiple Inc. joined forces to form the Puget Sound Multiple Listing Association (PSMLA).
1996
Tacoma-Pierce County Association of Realtors MLS joined, expanding PSMLA’s territory throughout Pierce County. Due to PSMLA’s expanding services, the membership voted to change its name to Northwest Multiple Listing Service.
1997
Computer MLS merged, adding Kitsap County to NWMLS’s coverage area. At this time, NWMLS was comprised of 706 member firms, with a subscriber count of 12,515.
1998
Jefferson County Association of Realtors MLS, Lewis County Association of Realtors MLS, and North Puget Sound Association of Realtors MLS join NWMLS. This increased NWMLS’s full coverage area to eight counties, and partial coverage in Island County.
1999
NWMLS continued to grow its southern and eastern borders, with mergers from the Mason County Association of Realtors MLS, the Cowlitz County Association of Realtors MLS, and the Moses Lake Association of Realtors MLS, and the Grant County Association of Realtors MLS.
2000
NWMLS begins providing services in Wahkiakum County, expanding its territory to 12 counties.
2001
The San Juan County Board of Realtors MLS, and the Whidbey Island Association of Realtors MLS join NWMLS, adding San Juan County and the remaining portion of Island County.
2003
Kittitas County Association of Realtors MLS joins, expanding NWMLS to 15 counties in Washington state, providing services to more than 1,300 member firms, and more than 15,000 subscribers.
2005
The Bellingham/Whatcom County Multiple Listing Service and brokerage firms in Okanogan County join NWMLS, expanding the coverage area to 17 counties.
2006
Brokerage firms in Pacific County and parts of Clark County, joined NWMLS.
2007
The Olympic Multiple Listing Service, in Thurston County joins. 2,300 real estate firms with more than 25,000 subscribers are now a part of NWMLS.
2009
Brokerage firms in North Washington joined NWMLS, adding Ferry County and along with brokerage firms in Clallam County, adding Clallam County.
2013
Lake Chelan Brokers Cooperative joins NWMLS, further expanding its services to Central Washington brokerage members.
2020
Walla Walla Association of Realtors MLS joined NWMLS, adding services for Columbia, Walla Walla, and for the first time ever, coverage in Oregon for Umatilla County.
2023
North Central Washington Association of Realtors MLS joined NWMLS, adding the remaining portion of Douglas County to its service area.
2024
NWMLS’s primary services area extends across 26 counties, and also provides MLS services to some brokerage firms in many other counties throughout the Pacific Northwest.
Thanks to its member firms’ feedback and participation, NWMLS has continued to enhance its product offerings, training opportunities, and member services over the last 40 years. Throughout 2024, we’ll be taking a look back at the evolution of the real estate industry, while always focusing on the future.