Mold Removal Cost And Risk In Cass County, ND

A typical professional mold job in Cass County runs about $1,350 to $5,450 before rebuild, using the Fargo, ND-MN price level. Below are the 25 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and North Dakota rules.

1993Median year homes were built

35%Homes built before 1980

48%Homes rented, not owned

$284,700Median home value

87,497Housing units

189,286People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Cass County were built before 1993, and 35 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 48 percent of homes in Cass County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 58029 has the oldest homes here, a median year of 1938, and ZIP 58104 the newest, 2008.

Typical Prices In Cass County

JobSizeNational RangeCass County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,450
Mold Remediationan attic$2,000 to $7,500$1,800 to $6,800
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 $750

Estimate is the national range times 90.9 divided by 100, the price level for Fargo, ND-MN, 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 $5,450, that cap falls short by about $450 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Cass 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
HurricaneNot Applicable
Cold waveRelatively Moderate
Winter weatherVery High

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

ZIP Code Neighborhoods In Cass County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
58002Cass CountyNot published44%Not published
58004Cass County196184%$176,600
58005Cass County197855%$365,800
58006Cass County196270%$240,600
58007Cass County197955%$300,000
58011Cass County197756%$234,700
58012Cass County197854%$307,500
58021Cass County196275%$241,800
58029Cass County193886%$416,700
58031Cass County193883%$79,600
58036Cass County197057%$277,200
58042Cass County197758%$334,100
58047Cass County200420%$417,800
58048Cass County196174%$166,700
58051Cass County197065%$319,100
58052Cass County196965%$227,700
58059Cass County200322%$292,900
58064Cass County197273%$260,700
58071Cass County197170%$192,400
58078Cass County200321%$303,200
58079Cass County197373%$289,600
58102Fargo197266%$235,600
58103Fargo198246%$239,200
58104Fargo20085%$346,100
58105Fargo195955%Not published

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

North Dakota Rules On Mold

North Dakota Mold And Insurance Rules

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All North Dakota counties

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Area Map

Cass County Area

Fargo, ND-MN