Mold Removal Cost And Risk In Chester County, PA

A typical professional mold job in Chester County runs about $1,550 to $6,150 before rebuild, using the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD price level. Below are the 37 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Pennsylvania rules.

1983Median year homes were built

45%Homes built before 1980

25%Homes rented, not owned

$461,800Median home value

210,730Housing units

540,896People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.62 an hour, BLS May 2025 wage survey.

Half the homes in Chester County were built before 1983, 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 25 percent of homes in Chester County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 19367 has the oldest homes here, a median year of 1938, and ZIP 19425 the newest, 2001.

Typical Prices In Chester County

JobSizeNational RangeChester County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,150
Mold Remediationan attic$2,000 to $7,500$2,050 to $7,700
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 $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 102.6 divided by 100, the price level for Philadelphia-Camden-Wilmington, PA-NJ-DE-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 $6,150, that cap falls short by about $1,150 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Chester County high for inland flooding, 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 floodingNo Rating
HurricaneRelatively Moderate
Cold waveRelatively Moderate
Winter weatherVery High

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

ZIP Code Neighborhoods In Chester County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
19087Chester County196963%$693,200
19301Chester County196864%$537,300
19310Chester County198248%$289,300
19311Chester County200028%$524,700
19312Chester County196965%$805,400
19316Chester CountyNot published0%Not published
19317Chester County198637%$588,600
19320Chester County198050%$302,700
19330Chester County198740%$389,500
19333Chester County196874%$688,700
19335Chester County198738%$464,400
19341Chester County199035%$486,900
19343Chester County198733%$543,800
19344Chester County198935%$303,900
19348Chester County198345%$518,200
19350Chester County199031%$494,300
19352Chester County199718%$458,700
19355Chester County198544%$662,200
19358Modena194790%$161,300
19362Chester County199138%$291,800
19363Chester County198743%$341,900
19365Chester County198445%$300,000
19367Pomeroy1938100%Not published
19369SadsburyvilleNot published0%Not published
19372Thorndale198730%$292,900
19374Toughkenamon195475%$288,800
19375Unionville193881%$614,300
19380Chester County198247%$530,400
19382Chester County197951%$542,400
19383Chester County199540%Not published
19390Chester County199237%$377,700
19425Chester County200116%$621,700
19457Chester CountyNot published100%Not published
19460Chester County198050%$426,000
19465Chester County197556%$383,300
19475Chester County196859%$362,900
19520Chester County197754%$403,600

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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Philadelphia-Camden-Wilmington, PA-NJ-DE-MD

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