Department of Revenue Services

State of Connecticut

Official Website: https://portal.ct.gov/DRS

The mission of the Department of Revenue Services is to instill public confidence in the integrity and fairness of tax collection; achieve the highest level of voluntary taxpayer compliance; continuously improve agency performance; contribute to the fiscal and economic well-being of the state; and provide a positive and professional workplace.

Forms & Documents

Browse all Department of Revenue Services government forms

1 - 20 of 98 forms

Form Title Topics
2019 Commercial Fisherman Exemption Permit
2020 Apportionment Computation for Combined Unitary Filers
2020 Combined Group Member Information
2020 Combined Unitary Corporation Business Tax Booklet
2020 Combined Unitary Corporation Business Tax Return
2020 Connecticut Earned Income Tax Credit
2020 Connecticut Resident Income Tax Instruction Booklet
2020 Corporation Business Tax Return
2020 Estimated Connecticut Income Tax Payment Coupon for Individuals
2020 Estimated Corporation Business Tax Payment Coupons
2020 Nexus Combined Base Tax Calculation
2020 Nonresident/Part-Year Resident Tax Return
2020 Resident Income Tax Return
2020 Tax on Combined Group Minimum Tax Base
2020 Tax on Combined Group Net Income
2021 Application for Motor Carrier Road Tax Decals
2021 Connecticut Neighborhood Assistance Act (NAA) Program Proposal
2021 Estimated Connecticut Income Tax Payment Coupon for Individuals
2021 Estimated Corporation Business Tax Payment Coupons
Add Back and Exceptions to Add Back of Interest and Intangible Expenses

Contact Information & Office Locations

All 4 contact points

Bridgeport Office

Address:
10 Middle Street
Bridgeport, CT 06604

Phone numbers:
  • (877) 729-6691
Hours of operation:
  • Monday through Friday 8:30 a.m. – 4:30 p.m.

Main Office

Address:
450 Columbus Blvd.
Suite 1
Hartford, CT 06103

Phone numbers:
  • (860) 297-5962
  • (800) 382-9463 (within CT, outside Greater Hartford area only)
  • (860) 297-4911 (Hearing Impaired, TDD/TT users only)
Emails:
  • drs.webmaster@po.state.ct.us
Hours of operation:
  • Monday through Friday 8:30 a.m. – 4:30 p.m.

Norwich Office

Address:
401 West Thames Street
Building #700
Norwich, CT 06360

Phone numbers:
  • (877) 729-6691
Hours of operation:
  • Monday through Friday 8:30 a.m. – 4:30 p.m.

Waterbury Office

Address:
55 West Main Street
Suite 100
Waterbury, CT 06702

Phone numbers:
  • (877) 729-6691
Hours of operation:
  • Monday through Friday 8:30 a.m. – 4:30 p.m.

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