Mold Removal Cost And Risk In Grant County, SD

A typical professional mold job in Grant County runs about $1,300 to $5,200 before rebuild, using the South Dakota nonmetro price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and South Dakota rules.

1974Median year homes were built

63%Homes built before 1980

18%Homes rented, not owned

$179,400Median home value

3,441Housing units

7,544People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Grant County were built before 1974, and 63 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 18 percent of homes in Grant County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 57246 has the oldest homes here, a median year of 1940, and ZIP 57216 the newest, 1977.

Typical Prices In Grant County

JobSizeNational RangeGrant County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,200
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,500
Mold Inspection and Testinga visual inspection$200 to $600$150 to $500
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $850
Mold Inspection and Testinga clearance test$300 to $800$250 to $700

Estimate is the national range times 86.7 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 $5,200, that cap falls short by about $200 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 Grant County.

HazardFEMA Risk Rating
Inland floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively Moderate
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Grant County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
57216Grant County197756%$212,700
57246Grant County194070%$90,000
57251Grant County197567%$115,600
57252Grant County197660%$184,500
57256Grant County196368%Not published
57259Grant County196367%Not published
57264Grant County195071%$106,300
57265Grant County195764%$122,500
57266Grant County195274%$159,400
57269Grant County197665%$411,800

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.

South Dakota Rules On Mold

South Dakota Mold And Insurance Rules

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Area Map

Grant County Area

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