Mold Removal Cost And Risk In Sierra County, CA

A typical professional mold job in Sierra County runs about $1,500 to $6,000 before rebuild, using the California nonmetro price level. Below are the 8 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and California rules.

1974Median year homes were built

57%Homes built before 1980

22%Homes rented, not owned

$334,100Median home value

2,099Housing units

2,731People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Sierra County were built before 1974, and 57 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 22 percent of homes in Sierra County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 95910 has the oldest homes here, a median year of 1938, and ZIP 96124 the newest, 1990.

Typical Prices In Sierra County

JobSizeNational RangeSierra County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $6,000
Mold Remediationan attic$2,000 to $7,500$2,000 to $7,500
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,000
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 100.0 divided by 100, the price level for the nonmetro part of the state, 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 $6,000, that cap falls short by about $1,000 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates none of the water hazards below as high for Sierra County.

HazardFEMA Risk Rating
Inland floodingRelatively Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveNo Rating
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Sierra County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
95910Sierra County193866%Not published
95936Sierra County195975%Not published
95944Sierra CountyNot published0%Not published
95960Sierra County197355%$283,300
96118Sierra County197268%$262,800
96124Sierra County199049%$687,500
96125Sierra County196955%$377,000
96126Sierra County198339%$795,700

ZIP areas are Census ZIP Code Tabulation Areas, placed in the county that holds most of their land, per the Census 2020 ZIP relationship files.

California Rules On Mold

California Mold And Insurance Rules

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California Department of Insurance

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Area Map

Sierra County Area

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