Idaho Zoning & Land Use Guide
Comprehensive guide to Idaho zoning laws, building codes, and land use regulations.
Key Facts
- Building Code: No mandatory statewide building code; local adoption
- State ADU Law: Varies by city
- ADU Details: Idaho has no statewide ADU law. Accessory dwelling unit regulations are determined entirely by local jurisdictions, and policies vary widely across cities and counties.
Official Sources
Cities in Idaho
Aberdeen
Pop. 1,856
ADU: Restricted
American Falls
Pop. 4,863
ADU: Restricted
Ammon
Pop.
ADU: Restricted
Bellevue
Pop. 2,582
ADU: Restricted
Blackfoot
Pop.
ADU: Restricted
Boise City
Pop. 237,963
ADU: Allowed
Bonners Ferry
Pop. 2,788
ADU: Restricted
Buhl
Pop. 4,761
ADU: Restricted
Burley
Pop. 12,211
ADU: Restricted
Caldwell
Pop. 59,684
ADU: Allowed
Cascade
Pop. 1,026
ADU: Restricted
Chubbuck
Pop.
ADU: Restricted
Coeur d'Alene
Pop. 54,628
ADU: Allowed
Dalton Gardens
Pop. 2,498
ADU: Restricted
Dover
Pop. 1,137
ADU: Restricted
Driggs
Pop. 2,332
ADU: Restricted
Eagle
Pop. 31,713
ADU: Allowed
Emmett
Pop. 8,803
ADU: Restricted
Filer
Pop. 3,040
ADU: Restricted
Franklin
Pop. 1,128
ADU: Restricted
Fruitland
Pop. 7,078
ADU: Restricted
Garden City
Pop.
ADU: Restricted
Genesee
Pop. 1,103
ADU: Restricted
Glenns Ferry
Pop. 1,288
ADU: Restricted
Gooding
Pop. 3,825
ADU: Restricted
Grangeville
Pop. 3,627
ADU: Restricted
Hailey
Pop. 9,976
ADU: Restricted
Hansen
Pop. 1,118
ADU: Restricted
Hayden
Pop.
ADU: Restricted
Heyburn
Pop. 3,744
ADU: Restricted
Homedale
Pop. 3,147
ADU: Restricted
Idaho Falls
Pop. 65,957
ADU: Allowed
Iona
Pop. 3,113
ADU: Restricted
Jerome
Pop.
ADU: Restricted
Kamiah
Pop. 1,163
ADU: Restricted
Kellogg
Pop. 2,441
ADU: Restricted
Ketchum
Pop. 3,609
ADU: Restricted
Kimberly
Pop. 5,592
ADU: Restricted
Kootenai
Pop. 1,083
ADU: Restricted
Kuna
Pop. 27,658
ADU: Allowed
Lapwai
Pop. 1,249
ADU: Restricted
Lewiston
Pop. 33,894
ADU: Allowed
Malad City
Pop. 2,326
ADU: Restricted
Marsing
Pop. 1,245
ADU: Restricted
McCall
Pop. 4,104
ADU: Restricted
Meridian
Pop. 117,635
ADU: Allowed
Middleton
Pop. 11,730
ADU: Restricted
Montpelier
Pop. 2,696
ADU: Restricted
Moscow
Pop. 25,435
ADU: Allowed
Mountain Home
Pop.
ADU: Restricted
Moyie Springs
Pop. 1,225
ADU: Restricted
Nampa
Pop. 100,200
ADU: Allowed
New Plymouth
Pop. 1,608
ADU: Restricted
Orofino
Pop. 3,285
ADU: Restricted
Osburn
Pop. 1,678
ADU: Restricted
Parma
Pop. 2,198
ADU: Restricted
Paul
Pop. 1,722
ADU: Restricted
Payette
Pop. 8,754
ADU: Restricted
Pinehurst
Pop. 1,784
ADU: Restricted
Plummer
Pop. 1,125
ADU: Restricted
Pocatello
Pop. 56,320
ADU: Allowed
Ponderay
Pop. 2,011
ADU: Restricted
Post Falls
Pop. 39,964
ADU: Allowed
Preston
Pop. 6,160
ADU: Restricted
Priest River
Pop. 1,847
ADU: Restricted
Rathdrum
Pop. 12,626
ADU: Restricted
Rexburg
Pop. 35,399
ADU: Allowed
Rigby
Pop. 5,683
ADU: Restricted
Rupert
Pop. 6,343
ADU: Restricted
Salmon
Pop. 3,257
ADU: Restricted
Sandpoint
Pop. 10,444
ADU: Restricted
Shelley
Pop. 5,262
ADU: Restricted
Shoshone
Pop. 1,757
ADU: Restricted
Soda Springs
Pop. 3,162
ADU: Restricted
Spirit Lake
Pop. 2,465
ADU: Restricted
St. Anthony
Pop. 4,093
ADU: Restricted
St. Maries
Pop. 2,487
ADU: Restricted
Star
Pop. 11,580
ADU: Allowed
Sugar City
Pop. 2,395
ADU: Restricted
Sun Valley
Pop. 1,771
ADU: Restricted
Twin Falls
Pop. 51,807
ADU: Allowed
Ucon
Pop. 1,218
ADU: Restricted
Victor
Pop. 2,442
ADU: Restricted
Weiser
Pop. 6,112
ADU: Restricted
Wendell
Pop. 3,032
ADU: Restricted
Wilder
Pop. 1,725
ADU: Restricted