Mold Removal Cost And Risk In Glenn County, CA

A typical professional mold job in Glenn County runs about $1,500 to $6,000 before rebuild, using the California nonmetro price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and California rules.

1978Median year homes were built

54%Homes built before 1980

37%Homes rented, not owned

$338,400Median home value

10,973Housing units

28,623People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Glenn County were built before 1978, and 54 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 37 percent of homes in Glenn County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 95939 has the oldest homes here, a median year of 1958, and ZIP 95913 the newest, 1998.

Typical Prices In Glenn County

JobSizeNational RangeGlenn 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 Glenn County.

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

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

ZIP Code Neighborhoods In Glenn County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
95913Glenn County199818%Not published
95920Glenn County196869%$288,900
95939Glenn County195864%$262,500
95943Glenn County196771%$945,700
95951Glenn County197565%$313,800
95963Glenn County198051%$353,000
95988Glenn County197654%$299,300

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

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