Mold Removal Cost And Risk In Gregory County, SD

A typical professional mold job in Gregory County runs about $1,300 to $5,200 before rebuild, using the South Dakota nonmetro price level. Below are the 6 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and South Dakota rules.

1960Median year homes were built

70%Homes built before 1980

22%Homes rented, not owned

$129,000Median home value

2,199Housing units

3,993People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Gregory County were built before 1960, and 70 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 22 percent of homes in Gregory County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 57538 has the oldest homes here, a median year of 1938, and ZIP 57335 the newest, 1981.

Typical Prices In Gregory County

JobSizeNational RangeGregory 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 Gregory County.

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

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

ZIP Code Neighborhoods In Gregory County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
57317Gregory County195963%$120,300
57335Gregory County198149%$121,300
57523Gregory County196470%$206,500
57533Gregory County196072%$112,800
57538Gregory County193891%Not published
57571Gregory County193890%$72,500

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

All South Dakota Mold And Insurance Rules lines

All South Dakota counties

Guides

Area Map

Gregory County Area

South Dakota