Mold Removal Cost And Risk In Franklin County, MO

A typical professional mold job in Franklin County runs about $1,450 to $5,700 before rebuild, using the St. Louis, MO-IL price level. Below are the 20 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Missouri rules.

1984Median year homes were built

45%Homes built before 1980

24%Homes rented, not owned

$214,900Median home value

45,843Housing units

105,316People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $32.22 an hour, BLS May 2025 wage survey.

Half the homes in Franklin County were built before 1984, and 45 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 24 percent of homes in Franklin County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 63014 has the oldest homes here, a median year of 1971, and ZIP 63073 the newest, 1999.

Typical Prices In Franklin County

JobSizeNational RangeFranklin County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,700
Mold Remediationan attic$2,000 to $7,500$1,900 to $7,150
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 95.1 divided by 100, the price level for St. Louis, MO-IL, 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 $5,700, that cap falls short by about $700 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 Franklin County.

HazardFEMA Risk Rating
Inland floodingRelatively Moderate
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively Moderate
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Franklin County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
63013Franklin County199441%$304,800
63014Franklin County197167%$132,800
63015Franklin County197952%$211,000
63037Franklin County197466%$182,700
63039Gray Summit197756%$138,200
63041Franklin County197553%Not published
63055Franklin County198924%$254,300
63056Franklin County197854%$196,900
63060Franklin County198536%$163,600
63061Franklin County198241%$266,700
63068Franklin County198644%$209,200
63069Franklin County198542%$271,200
63072Franklin County199233%$198,700
63073Franklin County19992%$803,300
63077Franklin County197754%$161,800
63079Stanton198422%$216,700
63080Franklin County198247%$169,000
63084Franklin County199233%$221,800
63089Franklin County198346%$211,400
63090Franklin County198148%$260,700

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.

Missouri Rules On Mold

Missouri Mold And Insurance Rules

All Missouri Mold And Insurance Rules lines

All Missouri counties

Guides

Area Map

Franklin County Area

St. Louis, MO-IL