Mold Removal Cost And Risk In ZIP 08690, Hamilton Square NJ

A typical professional mold job in ZIP 08690, Hamilton Square runs about $1,550 to $6,200 before rebuild. Half the homes here were built before 1973, newer than the Mercer County median of 1967.

1973Median year homes were built

62%Homes built before 1980

18%Homes rented, not owned

$362,700Median home value

$1,561Median gross rent

8,068Housing units

Neighborhood figures for ZIP Code Tabulation Area 08690 from Census ACS 2019 to 2023. Remediation pay in this metro is $21.84 an hour, BLS May 2025 wage survey.

62 percent of homes in 08690 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 18 percent of homes here are rented, against 38 percent across Mercer County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $6,200, is about 1.7 percent of the median home value of $362,700.

Typical Prices In 08690

JobSizeNational Range08690 Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,200
Mold Remediationan attic$2,000 to $7,500$2,050 to $7,750
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 $850

Estimate is the national range times 103.2 divided by 100, the price level for Trenton-Princeton, 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 $6,200, that cap falls short by about $1,200 at the top of that range. Read the form

Water Hazards FEMA Rates For Mercer County

FEMA rates Mercer County high for inland flooding, hurricane, 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 Low
HurricaneRelatively High
Cold waveRelatively Moderate
Winter weatherVery High

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

New Jersey Rules On Mold

Nearby ZIP Codes In Mercer County

Part of Hamilton Square, Mercer County, New Jersey.

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08690, NJ Area

Hamilton Square, Mercer County