Mold Removal Cost And Risk In Washington County, MD

A typical professional mold job in Washington County runs about $1,400 to $5,650 before rebuild, using the Hagerstown-Martinsburg, MD-WV price level. Below are the 16 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Maryland rules.

1974Median year homes were built

58%Homes built before 1980

34%Homes rented, not owned

$275,900Median home value

63,965Housing units

155,033People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Washington County were built before 1974, and 58 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 34 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 21719 has the oldest homes here, a median year of 1943, and ZIP 21756 the newest, 1988.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,650
Mold Remediationan attic$2,000 to $7,500$1,900 to $7,050
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 94.2 divided by 100, the price level for Hagerstown-Martinsburg, MD-WV, 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 $5,650, that cap falls short by about $650 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 Washington County.

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

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

ZIP Code Neighborhoods In Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
21711Washington County198149%$274,100
21713Washington County197657%$348,300
21715BrownsvilleNot published100%Not published
21719Highfield-Cascade194382%$230,500
21722Washington County198149%$298,400
21733Washington County196867%$316,300
21734Funkstown195580%$241,900
21740Washington County197162%$241,600
21742Washington County198050%$280,100
21750Washington County197460%$212,700
21756Washington County198844%$360,900
21767Maugansville197654%$220,100
21779Washington County196855%$551,400
21782Washington County197854%$295,900
21783Washington County197654%$330,100
21795Washington County197159%$275,500

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.

Maryland Rules On Mold

Maryland Mold And Insurance Rules

All Maryland Mold And Insurance Rules lines

All Maryland counties

Guides

Area Map

Washington County Area

Hagerstown-Martinsburg, MD-WV