Real Estate Almanac

MLS West

The MLS section ranks the nation’s MLS organizations by membership count as of December 31, 2021.
MLS Legend

The multiple listing services listed in this section are grouped by their geographic region. Use the following regions (clickable) to view the top MLS within that region.

MLS 200, West Region Top 20

The MLS West ranks the nation’s MLS organizations by membership count in the nation’s West region as of December 31, 2021.

1

California Regional MLS (CRMLS)

The California Regional MLS (CRMLS) operates out of San Dimas, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 109,867 members, an increase of 5,538 members over the previous year, placing it in the ‘Mega’ MLS segment.

2

Arizona Regional MLS (ARMLS)

The Arizona Regional MLS (ARMLS) operates out of Tempe, AZ, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 41,474 members, an increase of 538 members over the previous year, placing it in the ‘Mega’ MLS segment.

3

Northwest MLS

The Northwest MLS operates out of Kirkland, WA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 35,041 members, an increase of 2,385 members over the previous year, placing it in the ‘Mega’ MLS segment.

4

REcolorado

The REcolorado operates out of Greenwood Village, CO, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 27,264 members, an increase of 2,863 members over the previous year, placing it in the ‘Mega’ MLS segment.

5

Metrolist

The Metrolist operates out of Sacramento, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 25,110 members, an increase of 2,054 members over the previous year, placing it in the ‘Mega’ MLS segment.

6

UtahRealEstate.com

The UtahRealEstate.com operates out of Sandy, UT, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 18,825 members, an increase of 810 members over the previous year, placing it in the ‘Mega’ MLS segment.

7

Greater Las Vegas MLS

The Greater Las Vegas MLS operates out of Las Vegas, NV, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 17,123 members, an increase of 1,738 members over the previous year, placing it in the ‘Mega’ MLS segment.

8

The MLS/CLAW

The The MLS/CLAW operates out of Los Angeles, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 17,000 members, an increase of 600 members over the previous year, placing it in the ‘Mega’ MLS segment.

9

MLSListings

The MLSListings operates out of Sunnyvale, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 16,528 members, an increase of 28 members over the previous year, placing it in the ‘Mega’ MLS segment.

10

Regional Multiple Listing Service (RMLS)

The Regional Multiple Listing Service (RMLS) operates out of Portland, OR, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 15,750 members, an increase of 856 members over the previous year, placing it in the ‘Mega’ MLS segment.

11

San Diego MLS

The San Diego MLS operates out of San Diego, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 12,184 members, an increase of 83 members over the previous year, placing it in the ‘Mega’ MLS segment.

12

CRISNet MLS

The CRISNet MLS operates out of Van Nuys, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 10,802 members, an increase of 575 members over the previous year, placing it in the ‘Mega’ MLS segment.

13

Intermountain Multiple Listing Service

The Intermountain Multiple Listing Service operates out of Boise, ID, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 8,200 members, an increase of 600 members over the previous year, placing it in the ‘Large’ MLS segment.

14

Bay Area Real Estate Information Service (BAREIS)

The Bay Area Real Estate Information Service (BAREIS) operates out of Santa Rosa, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 7,800 members, an increase of 1,117 members over the previous year, placing it in the ‘Large’ MLS segment.

15

MLS of Southern Arizona (MLSSAZ)

The MLS of Southern Arizona (MLSSAZ) operates out of Tucson, AZ, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 7,243 members, an increase of 354 members over the previous year, placing it in the ‘Large’ MLS segment.

16

IRES

The IRES operates out of Loveland, CO, making it part of the Mountain subregion, and part of the larger Western Region. For 2021, the MLS reported 7,021 members, an decrease of 229 members over the previous year, placing it in the ‘Large’ MLS segment.

17

HiCentral MLS (Honolulu Board of Realtors)

The HiCentral MLS (Honolulu Board of Realtors) operates out of Honolulu, HI, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 6,679 members, an decrease of 410 members over the previous year, placing it in the ‘Large’ MLS segment.

18

Bay East Association of Realtors

The Bay East Association of Realtors operates out of Pleasanton, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 6,360 members, an decrease of 10 members over the previous year, placing it in the ‘Large’ MLS segment.

19

San Francisco Association of Realtors

The San Francisco Association of Realtors operates out of San Francisco, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 4,981 members, an decrease of 19 members over the previous year, placing it in the ‘Large’ MLS segment.

20

Fresno MLS (Fresno Association of Realtors)

The Fresno MLS (Fresno Association of Realtors) operates out of Fresno, CA, making it part of the Pacific subregion, and part of the larger Western Region. For 2021, the MLS reported 4,868 members, an increase of 1,156 members over the previous year, placing it in the ‘Large’ MLS segment.

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