How Much Does a DBA Cost in Idaho? (2026)
A DBA (“doing business as”) in Idaho costs $25, filed with the Secretary of State (state level). No newspaper publication is required. Registration renews: none.
Verified July 2026 from official sources. How we verify fees.
What it costs and where to file in Idaho
- Filing fee: $25
- Filed at: State level
- Newspaper publication: Not required
- Renewal: None
Good to know
Assumed business names no longer expire or require renewal. A DBA lets a sole proprietor or existing business operate under a different name — it is not a business entity and offers no liability protection. If you want that, compare the cost of forming an LLC in Idaho.
Frequently asked questions
How much does a DBA cost in Idaho?
$25, filed with the Secretary of State (state level).
Where do I file a DBA in Idaho?
You file with the Secretary of State (state level).
Does a Idaho DBA expire?
Renewal: None.