Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

DEEP Processing Offices for Boating Certificates

DEEP Licensing and Revenue 
79 Elm St., Hartford, CT 06106-5127
860-424-3105
Monday - Friday, 9:00 a.m. - 4:00 p.m.
Directions

DEEP Marine District Headquarters
333 Ferry Rd., Old Lyme, CT 06371
860-434-8638
Monday - Friday, 8:30 a.m. - 4:00 p.m.
Directions

DEEP Western District Headquarters
2065 Thomaston Road, Watertown, CT
860-485-0226
Monday, Thursday, and Friday from 8:30 a.m. - 3:30 p.m.
Get Directions

DEEP Eastern District Headquarters
209 Hebron Rd., Marlborough, CT 06447
860-295-9523
Tuesday, Wednesday, and Thursday from 8:00 a.m. - 4:00 p.m.
Directions

Content updated in March 2024.