Mold Removal Cost And Risk In Washington County, UT

A typical professional mold job in Washington County runs about $1,450 to $5,850 before rebuild, using the St. George, UT price level. Below are the 20 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Utah rules.

2002Median year homes were built

11%Homes built before 1980

27%Homes rented, not owned

$465,600Median home value

78,993Housing units

189,827People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Washington County were built before 2002, and 11 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 27 percent of homes in Washington County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 84782 has the oldest homes here, a median year of 1986, and ZIP 84780 the newest, 2007.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,850
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,300
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 $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 97.3 divided by 100, the price level for St. George, UT, 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 $5,850, that cap falls short by about $850 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Washington 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 floodingNot Applicable
HurricaneNot Applicable
Cold waveVery Low
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
84722Washington County199614%$350,000
84725Washington County199526%$350,000
84733Washington County200120%Not published
84737Washington County200312%$420,900
84738Washington County20037%$540,900
84745La Verkin199717%$366,500
84746Washington County199621%$401,000
84757Washington County200217%$595,800
84763Rockville198734%$658,300
84765Washington County20029%$509,600
84767Washington County199016%$832,400
84770Washington County199618%$407,100
84774Toquerville200224%$463,200
84779Washington County198821%$466,300
84780Washington200710%$511,700
84781Washington County199224%$570,900
84782Washington County198637%$465,900
84783Washington County20010%$645,600
84784Hildale198834%$385,900
84790St. George20044%$500,900

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.

Cities And Towns

Utah Rules On Mold

Utah Mold And Insurance Rules

All Utah Mold And Insurance Rules lines

All Utah counties

Guides

Area Map

Washington County Area

St. George, UT