Mold removal in Sonoma, CA

Sonoma · ZIP 95476 · Updated October 18, 2026

Sonoma's older and historic homes have character, and often crawlspaces, original windows and decades of repairs that can hide moisture. With a strong El Niño possible, the City of Sonoma is preparing for heavy rain and flooding and opening its sandbag station at Depot Park on October 20, 2026 (City of Sonoma).

Sonoma mold risks

• Crawlspaces and basements in older homes.
• Leaks around original windows, chimneys and additions.
• Creek and street flooding in low spots during heavy rain.
• Clogged gutters under the town's many street trees. The City asks residents to keep gutters and drainage areas clear.

If water gets in

Dry within 24 to 48 hours if you can (EPA), and remove porous materials that stay wet more than a day or two (CDPH). See our drying and mold timeline.

Sonoma problem guides

• Crawlspace mold in Sonoma
• Attic mold in Sonoma
• Bathroom mold in Sonoma
• Mold after flooding in Sonoma
• HVAC and duct mold in Sonoma

Mold Removal services in Sonoma

• Mold inspection
• Mold testing
• Mold remediation
• Crawlspace mold
• Attic mold
• Mold after a flood or leak

Local resources for Sonoma

• Building permits: City of Sonoma (Permit Sonoma outside city limits)
• Emergency alerts: SoCoAlert (free County emergency notifications)
• Sandbags: Sonoma County sandbag locations, updated during weather events
• Contractor licenses: CSLB license check

Also in Sonoma

• Water Damage in Sonoma on Sonoma County Water Damage
• Roof Repair in Sonoma on Sonoma Roof Repair

Nearby areas

• Mold removal in Glen Ellen & Kenwood
• Mold removal in Petaluma
• Mold removal in Santa Rosa

Frequently asked questions

This page is general information, not legal, insurance or medical advice. Sources are linked in the text. Sonoma Mold Removal is a referral service and doesn't perform the work.