How Much Does a DBA Cost in Connecticut? (2026)
A DBA (“doing business as”) in Connecticut costs $20, filed at the county clerk/recorder (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 Connecticut
- Filing fee: $20
- Filed at: County level
- Newspaper publication: Not required
- Renewal: 5 years
Good to know
Filed with the town clerk where you do business; the application must be notarized. 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 Connecticut.
Frequently asked questions
How much does a DBA cost in Connecticut?
$20, filed at the county clerk/recorder (county level).
Where do I file a DBA in Connecticut?
You file at the county clerk/recorder (county level).
Does a Connecticut DBA expire?
Renewal: 5 years.