Mold Removal Cost And Risk In Belknap County, NH

A typical professional mold job in Belknap County runs about $1,500 to $6,050 before rebuild, using the New Hampshire nonmetro price level. Below are the 13 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and New Hampshire rules.

1979Median year homes were built

51%Homes built before 1980

21%Homes rented, not owned

$340,000Median home value

38,718Housing units

64,300People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Belknap County were built before 1979, and 51 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 21 percent of homes in Belknap County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 03246 has the oldest homes here, a median year of 1973, and ZIP 03256 the newest, 1989.

Typical Prices In Belknap County

JobSizeNational RangeBelknap 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 100.5 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 $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 Belknap County.

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

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

ZIP Code Neighborhoods In Belknap County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
03218Belknap County198838%$305,200
03220Belknap County198342%$265,000
03225Belknap County198244%$308,600
03226Belknap County197653%$388,100
03237Belknap County197852%$317,600
03246Laconia197359%$307,800
03249Belknap County198246%$388,700
03253Belknap County197854%$444,500
03256Belknap County198937%$363,200
03269Belknap County198639%$392,900
03809Belknap County198248%$331,900
03810Belknap County197755%$572,900
03837Belknap County198641%$365,700

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.

Cities And Towns

New Hampshire Rules On Mold

New Hampshire Mold And Insurance Rules

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Area Map

Belknap County Area

Laconia, NH