How Much Does a DBA Cost in South Dakota? (2026)
A DBA (“doing business as”) in South Dakota costs $10, filed at either the state or county level. No newspaper publication is required. Registration renews: 5 years.
Verified July 2026 from official sources. How we verify fees.
What it costs and where to file in South Dakota
- Filing fee: $10
- Filed at: Both level
- Newspaper publication: Not required
- Renewal: 5 years
Good to know
File online with the Secretary of State or at the county register of deeds. 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 South Dakota.
Frequently asked questions
How much does a DBA cost in South Dakota?
$10, filed at either the state or county level.
Where do I file a DBA in South Dakota?
You file at either the state or county level.
Does a South Dakota DBA expire?
Renewal: 5 years.