Marin County – Q3 2026 Market Overview

Marin County’s housing market showed mixed trends during the third quarter, with active inventory decreasing while sales activity picked up in September following a summer slowdown. Median sales prices fluctuated within a relatively narrow range of approximately $1.5 million to $1.55 million, ending the quarter near $1.53 million. Average price per square foot rebounded in September after declines earlier in the quarter. Average days on market also improved at quarter-end, falling from approximately 44 days in July and August to 37 days in September. Overall, Q3 closed with fewer available listings alongside a September increase in sales and shorter selling times heading into Q4.