How much does a roof replacement cost in Sonoma, Napa and Marin?

What frame do published surveys give?

The report has no Sonoma or Napa column, so the nearest published metro figure is the San Francisco one. A published midrange benchmark for the San Francisco metro, from the 2025 Cost vs. Value report, is roughly $38,000 for a 30-square asphalt-shingle replacement and roughly $65,000 for metal. Your own roof's price will differ; a free written estimate is the only real number. Use it only to set expectations.

North Bay cost drivers

• Shake to Class A: tearing off wood shake and covering spaced board sheathing adds labor and material. See dry rot and decking.
• Rural sites: distance from suppliers and dump sites.
• Vineyard and hillside homes: long, steep access.
• Pre-inspection scheduling: in unincorporated Sonoma, the work waits on Permit Sonoma's pre-inspection.
• Material: metal and tile cost more up front; see metal roofs in the North Bay.

How do I get a ballpark for my home?

The roof size and cost-factor tool estimates roof area and flags the factors above. For the price, request a free estimate.

Financing note

The Sonoma County Energy Independence Program is on the state's list of enrolled PACE programs (CAEATFA). PACE is repaid on the property tax bill; check eligibility and terms before signing. Other options are in how to pay for a new roof.

Comparing bids

Run each bid through the quote checker, and see the North Bay permit guide for who issues your permit.