CountyTaxDates · property tax deadlines by county

Property tax deadlines in Idaho

All 44 Idaho counties and county equivalents. 1 have been checked against the county's own schedule; the rest follow the state schedule below.

Idaho statutory schedule
InstalmentDueNotes
1st halfDecember 21, 2026Full payment or the first half is due December 20 of the levy year.
2nd halfJune 21, 2027Second half is allowed a grace period to June 20 if the first half was paid in full.
legislature.idaho.gov Late charges and interest accrue on any half not paid by its date, December 21 for the first half and June 21 for the second.

Counties

Ada County Verified · next due Dec 20, 2026Adams County Statewide schedule · Dec 21, 2026Bannock County Statewide schedule · Dec 21, 2026Bear Lake County Statewide schedule · Dec 21, 2026Benewah County Statewide schedule · Dec 21, 2026Bingham County Statewide schedule · Dec 21, 2026Blaine County Statewide schedule · Dec 21, 2026Boise County Statewide schedule · Dec 21, 2026Bonner County Statewide schedule · Dec 21, 2026Bonneville County Statewide schedule · Dec 21, 2026Boundary County Statewide schedule · Dec 21, 2026Butte County Statewide schedule · Dec 21, 2026Camas County Statewide schedule · Dec 21, 2026Canyon County Statewide schedule · Dec 21, 2026Caribou County Statewide schedule · Dec 21, 2026Cassia County Statewide schedule · Dec 21, 2026Clark County Statewide schedule · Dec 21, 2026Clearwater County Statewide schedule · Dec 21, 2026Custer County Statewide schedule · Dec 21, 2026Elmore County Statewide schedule · Dec 21, 2026Franklin County Statewide schedule · Dec 21, 2026Fremont County Statewide schedule · Dec 21, 2026Gem County Statewide schedule · Dec 21, 2026Gooding County Statewide schedule · Dec 21, 2026Idaho County Statewide schedule · Dec 21, 2026Jefferson County Statewide schedule · Dec 21, 2026Jerome County Statewide schedule · Dec 21, 2026Kootenai County Statewide schedule · Dec 21, 2026Latah County Statewide schedule · Dec 21, 2026Lemhi County Statewide schedule · Dec 21, 2026Lewis County Statewide schedule · Dec 21, 2026Lincoln County Statewide schedule · Dec 21, 2026Madison County Statewide schedule · Dec 21, 2026Minidoka County Statewide schedule · Dec 21, 2026Nez Perce County Statewide schedule · Dec 21, 2026Oneida County Statewide schedule · Dec 21, 2026Owyhee County Statewide schedule · Dec 21, 2026Payette County Statewide schedule · Dec 21, 2026Power County Statewide schedule · Dec 21, 2026Shoshone County Statewide schedule · Dec 21, 2026Teton County Statewide schedule · Dec 21, 2026Twin Falls County Statewide schedule · Dec 21, 2026Valley County Statewide schedule · Dec 21, 2026Washington County Statewide schedule · Dec 21, 2026

About Idaho property tax

Idaho property tax is billed and collected county by county, so the collector — not the state — issues the bill. All 44 counties follow the same December 20 and June 20 dates set in Idaho Code 63-903.

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