Mold Removal Cost And Risk In Grafton County, NH

A typical professional mold job in Grafton County runs about $1,500 to $6,050 before rebuild, using the New Hampshire nonmetro price level. Below are the 36 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and New Hampshire rules.

1980Median year homes were built

50%Homes built before 1980

29%Homes rented, not owned

$298,500Median home value

51,478Housing units

91,759People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Grafton County were built before 1980, and 50 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 29 percent of homes in Grafton County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 03238 has the oldest homes here, a median year of 1947, and ZIP 03780 the newest, 1991.

Typical Prices In Grafton County

JobSizeNational RangeGrafton 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 Grafton County high for 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 Moderate
Coastal floodingNot Applicable
HurricaneRelatively Low
Cold waveRelatively Low
Winter weatherRelatively High

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

ZIP Code Neighborhoods In Grafton County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
03215Grafton County198433%$376,800
03217Grafton County197852%$188,600
03222Grafton County198049%$256,500
03223Grafton County198338%$285,100
03238Grafton County194784%$189,900
03240Grafton County198345%$256,400
03241Grafton County197852%$401,800
03245Grafton County198050%$327,400
03251Grafton County198619%$312,000
03262Grafton County198333%$305,500
03264Grafton County198148%$273,300
03266Grafton County197557%$264,000
03279Grafton County197852%$239,400
03282Grafton County198246%$274,200
03285Grafton County198435%$289,700
03293Grafton County196567%$450,000
03561Grafton County196666%$249,000
03574Grafton County197360%$268,600
03580Grafton County198346%$469,500
03585Grafton County197655%$215,400
03586Grafton County196861%$608,600
03740Grafton County197658%$219,200
03741Grafton County197460%$241,000
03748Grafton County198147%$338,500
03750Grafton County197159%$797,600
03755Grafton County197852%$744,200
03765Grafton County198048%$296,000
03766Lebanon197853%$348,000
03768Grafton County197359%$651,400
03771Grafton County197856%$257,100
03774Grafton County198742%$189,400
03777Grafton County197654%$261,700
03779Grafton County197854%$327,700
03780Grafton County199149%Not published
03784Lebanon197954%$340,500
03785Grafton County196569%$196,200

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

  • If a New Hampshire home policy limits mold, the mold and cleanup limit must be at least $10,000. N.H. Admin. Rules Ins 5000
  • New Hampshire policies cannot exclude liability for mold. A policy may set a mold liability limit of at least $50,000. N.H. Admin. Rules Ins 5000
  • A New Hampshire policy cannot set an unfair short deadline to report a mold claim. N.H. Admin. Rules Ins 5000
  • Licensing. In New Hampshire, anyone paid to do a home mold assessment must hold a national third party mold certification. RSA 310-A:189-b

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Grafton County Area

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