Mold Removal Cost And Risk In Columbia County, PA

A typical professional mold job in Columbia County runs about $1,350 to $5,400 before rebuild, using the Pennsylvania nonmetro price level. Below are the 13 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Pennsylvania rules.

1969Median year homes were built

69%Homes built before 1980

30%Homes rented, not owned

$199,200Median home value

29,775Housing units

65,055People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Columbia County were built before 1969, and 69 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 30 percent of homes in Columbia County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 17945 has the oldest homes here, a median year of 1938, and ZIP 17858 the newest, 2002.

Typical Prices In Columbia County

JobSizeNational RangeColumbia County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,400
Mold Remediationan attic$2,000 to $7,500$1,800 to $6,750
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $900
Mold Inspection and Testinga clearance test$300 to $800$250 to $700

Estimate is the national range times 90.3 divided by 100, the price level for the nonmetro part of the state, 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 $5,400, that cap falls short by about $400 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 Columbia County.

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

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

ZIP Code Neighborhoods In Columbia County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
17814Columbia County197559%$217,000
17815Columbia County197166%$216,700
17820Columbia County196571%$210,500
17824Columbia County197757%$247,000
17846Columbia County197266%$219,200
17858Columbia County200243%$237,500
17859Columbia County197855%$213,300
17878Columbia County197364%$195,800
17888Columbia County195387%$116,700
17920Columbia County197179%$146,100
17945Columbia County1938100%$42,600
18603Columbia County196380%$164,500
18631Mifflinville196782%$214,900

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.

Pennsylvania Rules On Mold

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Columbia County Area

Bloomsburg-Berwick, PA