Mold Removal Cost In Santa Rosa, CA

A typical professional mold job in Santa Rosa runs about $1,600 to $6,450 before rebuild. Santa Rosa sits in Sonoma County.

1980Median year homes were built

50%Homes built before 1980

44%Homes rented, not owned

$685,000Median home value

70,961Housing units

177,216People

Figures for Santa Rosa city from Census ACS 2019 to 2023.

Half the homes in Santa Rosa were built before 1980, and 50 percent went up before 1980. Older plumbing, roofs and window seals are where slow leaks start, and slow leaks are the mold most home policies leave out. About 44 percent of homes in Santa Rosa are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Santa Rosa

JobSizeNational RangeSanta Rosa Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,600 to $6,450
Mold Remediationan attic$2,000 to $7,500$2,150 to $8,100
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,100
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 107.8 divided by 100, the price level for Santa Rosa-Petaluma, CA, rounded to $50. National ranges from Remediational cost guide, price level from BEA Regional Price Parities 2024.

The standard limited fungi endorsement caps mold at $5,000. Against a typical job here of up to $6,450, that cap falls short by about $1,450 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Sonoma County high for inland flooding. Water from these events is where mold claims start, and flood water is a separate policy. FloodSmart says mold damage is not covered under standard NFIP flood policies. FloodSmart

HazardFEMA Risk Rating
Inland floodingRelatively High
Coastal floodingRelatively Moderate
HurricaneNot Applicable
Cold waveNo Rating
Winter weatherVery Low

Source FEMA National Risk Index, December 2025, county level.

ZIP Code Neighborhoods In Santa Rosa

ZIPMedian Year BuiltHomes RentedMedian Home Value
95405197239%$749,700

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