Mold Removal Cost And Risk In Calvert County, MD

A typical professional mold job in Calvert County runs about $1,500 to $6,050 before rebuild, using the Lexington Park, MD price level. Below are the 12 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Maryland rules.

1990Median year homes were built

31%Homes built before 1980

13%Homes rented, not owned

$440,200Median home value

35,960Housing units

93,791People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Calvert County were built before 1990, and 31 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 13 percent of homes in Calvert County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 20615 has the oldest homes here, a median year of 1983, and ZIP 20629 the newest, 2004.

Typical Prices In Calvert County

JobSizeNational RangeCalvert County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $6,050
Mold Remediationan attic$2,000 to $7,500$2,000 to $7,550
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 100.8 divided by 100, the price level for Lexington Park, 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 $6,050, that cap falls short by about $1,050 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 Calvert County.

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

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

ZIP Code Neighborhoods In Calvert County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
20615Broomes Island198334%$478,900
20629Solomons20040%$459,500
20639Calvert County199030%$528,400
20657Calvert County199128%$317,600
20676Calvert County198443%$471,800
20678Calvert County199237%$428,100
20685Calvert County198636%$431,200
20688Solomons199620%Not published
20689Calvert County198536%$468,400
20732Calvert County199026%$426,300
20736Calvert County199021%$570,900
20754Calvert County198734%$601,300

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.

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Calvert County Area

Lexington Park, MD