Mold, Insurance And Removal Costs In Idaho
Idaho has 44 counties and 277 ZIP code neighborhoods on this guide. At the statewide price level a typical professional mold job runs about $1,450 to $5,750 before rebuild.
1990Median year homes were built
40%Homes built before 1980
28%Homes rented, not owned
$376,000Median home value
776,683Housing units
1,893,296People
Half the homes in Idaho were built before 1990, and 40 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.
The counties with the oldest housing are Shoshone County (1958), Oneida County (1963), Lewis County (1965), Bear Lake County (1971), Butte County (1971).
FEMA rates inland flooding high in 0 of 44 Idaho counties. Source FEMA National Risk Index, December 2025.
Idaho Rules On Mold
Idaho Mold And Insurance Rules
- Idaho has no state law that requires mold checks or sets cleanup standards. Idaho DHW Mold
- Licensing does not apply in Idaho rentals. No state agency regulates mold inspection or removal there. Idaho Attorney General Landlord And Tenant Manual
- Landlords usually fix leaks. Renters must vent and dry moisture in the unit. Idaho DHW Mold
- The Insurance Department cannot adjust your claim. It checks that the insurer follows the law and your policy. Idaho DOI Home And Renters Claims
Every Idaho County
| County | ZIP Codes | Median Year Built | Typical Job Up To | Inland Flood Risk |
|---|---|---|---|---|
| Ada County | 14 | 1996 | $5,900 | Relatively Moderate |
| Adams County | 4 | 1984 | $5,500 | Relatively Low |
| Bannock County | 9 | 1975 | $5,350 | Relatively Low |
| Bear Lake County | 9 | 1971 | $5,500 | Very Low |
| Benewah County | 6 | 1978 | $5,500 | Relatively Low |
| Bingham County | 9 | 1977 | $5,500 | Relatively Low |
| Blaine County | 7 | 1987 | $5,500 | Relatively Low |
| Boise County | 6 | 1991 | $5,900 | Relatively Low |
| Bonner County | 16 | 1990 | $5,500 | Relatively Moderate |
| Bonneville County | 11 | 1985 | $5,650 | Relatively Moderate |
| Boundary County | 4 | 1990 | $5,500 | Relatively Low |
| Butte County | 3 | 1971 | $5,650 | Very Low |
| Camas County | 2 | 1991 | $5,500 | Very Low |
| Canyon County | 10 | 1998 | $5,900 | Relatively Moderate |
| Caribou County | 3 | 1973 | $5,500 | Very Low |
| Cassia County | 7 | 1975 | $5,500 | Relatively Low |
| Clark County | 2 | 1978 | $5,500 | Very Low |
| Clearwater County | 5 | 1975 | $5,500 | Relatively Low |
| Custer County | 5 | 1987 | $5,500 | Relatively Low |
| Elmore County | 6 | 1985 | $5,500 | Very Low |
| Franklin County | 6 | 1972 | $5,750 | Very Low |
| Fremont County | 6 | 1979 | $5,500 | Relatively Low |
| Gem County | 4 | 1982 | $5,900 | Relatively Low |
| Gooding County | 3 | 1976 | $5,500 | Very Low |
| Idaho County | 12 | 1979 | $5,500 | Relatively Low |
| Jefferson County | 7 | 1991 | $5,650 | Relatively Low |
| Jerome County | 3 | 1983 | $5,550 | Very Low |
| Kootenai County | 11 | 1995 | $5,900 | Relatively Moderate |
| Latah County | 11 | 1978 | $5,500 | Relatively Low |
| Lemhi County | 9 | 1979 | $5,500 | Relatively Low |
| Lewis County | 2 | 1965 | $5,500 | Very Low |
| Lincoln County | 3 | 1987 | $5,500 | Very Low |
| Madison County | 4 | 2002 | $5,500 | Relatively Low |
| Minidoka County | 3 | 1976 | $5,500 | Very Low |
| Nez Perce County | 8 | 1972 | $5,450 | Relatively Low |
| Oneida County | 2 | 1963 | $5,500 | Very Low |
| Owyhee County | 7 | 1982 | $5,900 | Relatively Low |
| Payette County | 3 | 1978 | $5,500 | Very Low |
| Power County | 4 | 1975 | $5,500 | Very Low |
| Shoshone County | 12 | 1958 | $5,500 | Relatively Moderate |
| Teton County | 4 | 2001 | $5,500 | Very Low |
| Twin Falls County | 8 | 1980 | $5,550 | Relatively Low |
| Valley County | 4 | 1993 | $5,500 | Relatively Low |
| Washington County | 3 | 1974 | $5,500 | Relatively Low |