US Multiple Listing Services

All 511+ MLS organizations tracked by RESO — plotted by headquarters location, sized by subscriber count. Scroll or pinch to zoom. Data: RESO UOI, March 2026.

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Total MLSs
Total Subscribers
Certified Current
Uncertified
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Hover or click any dot to see MLS details. Dot size reflects subscriber count — zoom in to separate overlapping MLSs.
Certified Current Passed Current Uncertified / Other Certified Legacy · Dot size = subscriber count (continuous scale)
ℹ️ Coverage area shading is not available — the RESO dataset provides only a single headquarters coordinate per MLS, not boundary polygons. Dots represent HQ location only.