September 2026 Marin County Market Outlook

Key Market Highlights

• Sales: Marin was the strongest county for sales growth. Single-family closings rose 20% YoY to 153, while condo closings surged 54% to 43.

• Prices: The single-family median increased 12% to $1.72M, with price per square foot up 8% to $861. The condo median was essentially flat at $716,625, while condo price per square foot fell 16%.

• Competition: Single-family overbidding increased 11 points to 42%, while condo overbidding fell 10 points to 19%.Single family: Active listings fell 20% to 317 despite an 18% increase in new listings. Absorption improved 12 points to 50%.
   
• Supply: Single-family months of supply fell from 3.1 to 2.1, while days on morket declined from 42 to 33.
   
• Condos: Condo actives were flat at 113 and months of supply improved from 4.0 to 2.6, but price reductions increased from 12 to 28 and the reduction rate rose to 43%.
   
• MoM: New single-family listings jumped 58% to 235, active listings rose 16%, and closings fell 24%. Months of supply increased from 1.4 to 2.1.
   
• Bottom line: Marin's single-family market remains strong, supported by higher prices, stronger competition, and improved absorption, although the sharp August increase in new listings suggests some easing from July. Condo conditions are more mixed.