Mold Removal Cost And Risk In Baltimore County, MD

A typical professional mold job in Baltimore County runs about $1,550 to $6,250 before rebuild, using the Baltimore-Columbia-Towson, MD price level. Below are the 42 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Maryland rules.

1973Median year homes were built

60%Homes built before 1980

34%Homes rented, not owned

$330,000Median home value

350,296Housing units

849,586People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.49 an hour, BLS May 2025 wage survey.

Half the homes in Baltimore County were built before 1973, and 60 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 Baltimore County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 21071 has the oldest homes here, a median year of 1938, and ZIP 21023 the newest, 2011.

Typical Prices In Baltimore County

JobSizeNational RangeBaltimore County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,250
Mold Remediationan attic$2,000 to $7,500$2,100 to $7,850
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 104.5 divided by 100, the price level for Baltimore-Columbia-Towson, MD, 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 $6,250, that cap falls short by about $1,250 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Baltimore County high for inland flooding, cold wave, winter weather. 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 floodingRelatively Moderate
HurricaneRelatively Moderate
Cold waveRelatively High
Winter weatherVery High

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

ZIP Code Neighborhoods In Baltimore County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
21013Baltimore County197952%$577,700
21023Baltimore County201146%$625,000
21030Baltimore County197855%$435,500
21031CockeysvilleNot published0%Not published
21051Baltimore County196766%$562,500
21052Edgemere196951%$268,300
21053Baltimore County197755%$445,300
21057Baltimore County197168%$609,000
21071Baltimore County193889%$451,800
21082Baltimore County196761%$525,400
21087Kingsville197165%$505,200
21093Baltimore County197555%$466,200
21105Baltimore CountyNot published100%Not published
21111Baltimore County198245%$585,400
21117Baltimore County199325%$370,700
21120Baltimore County198636%$552,400
21128Honeygo200024%$424,200
21131Baltimore County197757%$662,900
21133Randallstown197756%$302,000
21136Baltimore County198050%$380,200
21152Baltimore County198530%$529,200
21153Baltimore County197161%$988,200
21155Baltimore County197261%$537,700
21156Baltimore County195781%$486,500
21162Baltimore County199544%$463,400
21163Baltimore County200015%$598,700
21204Towson197557%$571,800
21207Lochearn195978%$248,400
21208Pikesville197064%$313,400
21209Baltimore197459%$418,800
21219Edgemere196960%$370,800
21220Middle River198247%$279,900
21221Essex196567%$266,800
21222Dundalk195586%$200,800
21227Arbutus195880%$272,400
21228Catonsville196962%$389,200
21234Carney196471%$276,000
21236Perry Hall198050%$306,800
21237Rosedale198050%$280,400
21244Milford Mill197952%$271,200
21252TowsonNot published100%Not published
21286Hampton196374%$402,000

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.

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