Mold Removal Cost And Risk In Warren County, NJ

A typical professional mold job in Warren County runs about $1,500 to $6,000 before rebuild, using the Allentown-Bethlehem-Easton, PA-NJ price level. Below are the 15 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and New Jersey rules.

1972Median year homes were built

60%Homes built before 1980

26%Homes rented, not owned

$323,100Median home value

46,675Housing units

110,238People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.17 an hour, BLS May 2025 wage survey.

Half the homes in Warren County were built before 1972, 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 26 percent of homes in Warren County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 07833 has the oldest homes here, a median year of 1938, and ZIP 08886 the newest, 1994.

Typical Prices In Warren County

JobSizeNational RangeWarren County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $6,000
Mold Remediationan attic$2,000 to $7,500$2,000 to $7,500
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 100.0 divided by 100, the price level for Allentown-Bethlehem-Easton, PA-NJ, 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 $6,000, that cap falls short by about $1,000 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 Warren County.

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

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

ZIP Code Neighborhoods In Warren County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
07823Warren County197354%$314,600
07825Warren County197559%$410,700
07831Warren CountyNot published100%Not published
07832Warren County197659%$326,000
07833Delaware1938100%$220,000
07838Warren County198740%$409,600
07840Warren County198246%$373,000
07844Hope1956100%Not published
07846Johnsonburg1938100%$440,000
07863Warren County195868%$276,300
07865Warren County197070%$373,500
07880Vienna199147%$406,100
07882Warren County197064%$333,800
08865Warren County195776%$244,200
08886Warren County199427%$424,000

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.

New Jersey Rules On Mold

New Jersey Mold And Insurance Rules

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New Jersey Department of Banking and Insurance

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Area Map

Warren County Area

Allentown-Bethlehem-Easton, PA-NJ