Idaho DBA (Doing Business As) Guide (2026)
In Idaho a DBA is called an Assumed Business Name (ABN) and is filed with the Idaho Secretary of State under Idaho Code 30-21-801 et seq. - not the county clerk. The fee is $25 online or $45 paper, and registration is perpetual with no renewal required. File online at sosbiz.idaho.gov.
The one thing to knowIdaho ABNs are filed with the Secretary of State, not the county - county recorder filings made before 1998 are no longer effective.
The process
- File with the Secretary of State
Assumed Business Name (ABN) registration is filed with the Idaho Secretary of State under Idaho Code 30-21-801 et seq., not the county clerk.
- Choose online or paper
The fee is $25 online at sosbiz.idaho.gov or $45 by paper.
- Done - no renewal
Registration is perpetual; no renewal is required.
DBA filing by county — all 44 Idaho counties
Idaho Assumed Business Names (DBAs) are filed with the Secretary of State; counties do not file DBAs, and pre-1998 county recorder filings are no longer effective.
| County | Where to file |
|---|---|
| Ada County | Filed with the Idaho Secretary of State, not the county |
| Adams County | Filed with the Idaho Secretary of State, not the county |
| Bannock County | Filed with the Idaho Secretary of State, not the county |
| Bear Lake County | Filed with the Idaho Secretary of State, not the county |
| Benewah County | Filed with the Idaho Secretary of State, not the county |
| Bingham County | Filed with the Idaho Secretary of State, not the county |
| Blaine County | Filed with the Idaho Secretary of State, not the county |
| Boise County | Filed with the Idaho Secretary of State, not the county |
| Bonner County | Filed with the Idaho Secretary of State, not the county |
| Bonneville County | Filed with the Idaho Secretary of State, not the county |
| Boundary County | Filed with the Idaho Secretary of State, not the county |
| Butte County | Filed with the Idaho Secretary of State, not the county |
| Camas County | Filed with the Idaho Secretary of State, not the county |
| Canyon County | Filed with the Idaho Secretary of State, not the county |
| Caribou County | Filed with the Idaho Secretary of State, not the county |
| Cassia County | Filed with the Idaho Secretary of State, not the county |
| Clark County | Filed with the Idaho Secretary of State, not the county |
| Clearwater County | Filed with the Idaho Secretary of State, not the county |
| Custer County | Filed with the Idaho Secretary of State, not the county |
| Elmore County | Filed with the Idaho Secretary of State, not the county |
| Franklin County | Filed with the Idaho Secretary of State, not the county |
| Fremont County | Filed with the Idaho Secretary of State, not the county |
| Gem County | Filed with the Idaho Secretary of State, not the county |
| Gooding County | Filed with the Idaho Secretary of State, not the county |
| Idaho County | Filed with the Idaho Secretary of State, not the county |
| Jefferson County | Filed with the Idaho Secretary of State, not the county |
| Jerome County | Filed with the Idaho Secretary of State, not the county |
| Kootenai County | Filed with the Idaho Secretary of State, not the county |
| Latah County | Filed with the Idaho Secretary of State, not the county |
| Lemhi County | Filed with the Idaho Secretary of State, not the county |
| Lewis County | Filed with the Idaho Secretary of State, not the county |
| Lincoln County | Filed with the Idaho Secretary of State, not the county |
| Madison County | Filed with the Idaho Secretary of State, not the county |
| Minidoka County | Filed with the Idaho Secretary of State, not the county |
| Nez Perce County | Filed with the Idaho Secretary of State, not the county |
| Oneida County | Filed with the Idaho Secretary of State, not the county |
| Owyhee County | Filed with the Idaho Secretary of State, not the county |
| Payette County | Filed with the Idaho Secretary of State, not the county |
| Power County | Filed with the Idaho Secretary of State, not the county |
| Shoshone County | Filed with the Idaho Secretary of State, not the county |
| Teton County | Filed with the Idaho Secretary of State, not the county |
| Twin Falls County | Filed with the Idaho Secretary of State, not the county |
| Valley County | Filed with the Idaho Secretary of State, not the county |
| Washington County | Filed with the Idaho Secretary of State, not the county |
What to bring
- Your desired assumed business name
- Owner information for the filing
- Payment of $25 online (or $45 paper)
Frequently asked questions
What is a DBA called in Idaho?
An Assumed Business Name (ABN), filed under Idaho Code 30-21-801 et seq.
Where do I file?
With the Idaho Secretary of State at sosbiz.idaho.gov, not the county clerk.
How much does it cost?
$25 online or $45 paper.
Do I need to renew?
No. Registration is perpetual with no renewal required.