North Bay Housing Market Update - December 2025 - Ascend Real Estate
December 19, 2025
December 19, 2025
The Local Lowdown
Quick Take:
The median single-family home in Marin County sold for 10% less than it did just one year ago in November.
Inventories in the North Bay dropped by more than 20% when compared to last month!
Despite the inventory dropoff, listings are spending quite a bit more time on the market than they were last year.
Single-family homes in Marin County are sold for considerably less on a year-over-year basis
November single-family prices were mostly stable, with some county-level swings
Single-family homes:
Sonoma: ▼ 0.99% YoY
Napa: ▲ 1.72% YoY
Solano: ▼ 3.50% YoY
Marin: ▼ 10.03% YoY
Condos were highly volatile:
Sonoma & Marin: muted price changes
Solano: ▼ 32.46% YoY
Napa: ▲ 65.35% YoY
Single-family inventory decreased by 29.93% month-over-month
Inventory saw steeper-than-usual declines, despite elevated 2025 levels
Single-family inventory:
▼ 29.93% MoM
▼ 20.14% YoY
Condo inventory:
▼ 22.63% MoM
▼ 14.04% YoY
Inventory is now lower than last December in both markets
Further December declines are likely
The average Napa County condo has been on the market for nearly half a year
Listings are spending significantly more time on market across most counties
Single-family homes (YoY days on market):
Sonoma: ▲ 32.50%
Solano: ▲ 20%
Napa: ▲ 71.46%
Marin County stands out:
Single-family homes unchanged at 31 days YoY
Condos are selling faster (▼ 26.83% YoY)
The winter shift toward seller’s markets
Market balance is measured by Months of Supply Inventory (MSI)
~3 months MSI = balanced market
Below 3 months = seller’s market | Above 3 months = buyer’s market
Winter seasonality is pushing all markets toward sellers
Single-family MSI:
Sonoma: 2.6 months
Marin: 1.7 months
Solano: 2.4 months
Napa: 5.6 months
Condo MSI:
Sonoma: 3.2 months
Marin: 3.0 months
Solano: 4.4 months
Napa: 5.1 months
Recent
Browse our blog posts to be in the know.
Provided Courtesy of Ascend Real Estate
Provided Courtesy of Ascend Real Estate
Provided courtesy of Ascend Real Estate
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