LLC Costs in Connecticut (CT)
$325 all-in for your first year - $120 to file, $80 annual report, plus a registered agent. Connecticut is $58 (15%) cheaper than the national average for first-year LLC costs.
Annual report is due by March 31 each year. Connecticut has moderate formation and maintenance costs with straightforward filing requirements.
Updated 2025 · Source: Connecticut Secretary of State
Mid-pack first-year SOS stack
Mid-pack first-year SOS stack. $325 ranks #28 of 51; filing $120, Annual Report $80.Forming an LLC in Connecticut costs about $325 in the first year, about 15% below the national average, ranking #28 of 51. Fees are those published by the Connecticut Secretary of State; registered agent is a $125/yr market-rate line, not a vendor quote.
According to the Connecticut Secretary of State fee schedule; registered agent normalized at $125/yr. See methodology. How we calculate →
Published SOS fee schedule
Fee strip CT · Connecticut SOS FY 2026 · rank #28
Connecticut · $325 · file $120 · no pub
- REPORT $120
- REPORT $80
- REPORT $325
- REPORT #28/51
- REPORT near New Hampshire
- REPORT 15% below avg
Stamps derive from this state's Secretary of State fee schedule (filing, report, publication, rank, nearest peer), not a recommendation of where to form. Read with small business tax planning → · All 51 SOS fee rows →
Complete cost breakdown for Connecticut
- State filing fee $120
- Annual Report (yr 1) $80
- Registered agent $125
| Cost Item | Amount |
|---|---|
| State Filing Fee | $120 |
| Annual Report | $80 |
| Registered Agent | $125/yr |
| Expedited Filing (optional) | $50 |
| Total, First Year | $325 |
Ongoing tax burden after formation
Connecticut's effective property tax rate of 1.81% ranks among the highest nationally, an ongoing cost that can exceed the $325 formation fee above within a year or two for a property-owning LLC.
Sources: Tax Foundation state corporate tax rates, Census ACS effective property tax rates.
Connecticut LLC Quick Facts
Similar Cost States
Lower-cost alternatives
States with a lower first-year SOS-fee total than CT:
Read our methodology - how this data is sourced, computed, and verified. Report a data error on this page.
Sources used on this page
- Connecticut Secretary of State - LLC filing fee, annual-report requirement, and processing time. portal.ct.gov/SOTS
- Federation of Tax Administrators - cross-check of state fee and tax figures. taxadmin.org