| Business | Phone |
| Agriculture Experiment 123 Huntington St, New Haven 6511 | (203) 974-8500 |
| Us Judicial Marshall 235 Church St, New Haven 6510 | (203) 503-6817 |
| Bail Commissioner 121 Elm St, New Haven 6510 | (203) 789-7781 |
| Trial Court Adm 121 Elm St, New Haven 6510 | (203) 789-7949 |
| Building Superintendent 235 Church St, New Haven 6510 | (203) 789-7890 |
| Senator Martin M Looney 132 Fort Hale Rd, New Haven 6512 | (203) 468-8829 |
| Senator Toni Harp Alder 26 Lynwood Pl, New Haven 6511 | (203) 865-2232 |
| Consultation Center 389 Whitney Ave, New Haven 6511 | (203) 789-7645 |
| Court Reporter 121 Elm St, New Haven 6510 | (203) 789-7470 |
| Representative Cameron Staples 207 Bishop St, New Haven 6511 | (203) 773-9123 |
| Representative Chris De Pino 1354 Dean St, New Haven 6512 | (203) 467-9306 |
| Representative Michael Lawlor 3 Atwater St, New Haven 6513 | (203) 469-9725 |
| Representative Patricia Dillon 68 W Rock Ave, New Haven 6515 | (203) 387-6159 |
| Representative Peter Panaroni 25 Frank St, New Haven 6519 | (203) 481-8342 |
| Representative Robert Megna 40 Foxon Hill Rd, New Haven 6513 | (203) 469-4327 |
| Representative Stephen Fontana 180 Fitch St # H, New Haven 6515 | (203) 234-2240 |
| Representative Toni Walker 1643 Ella T Grasso Blvd, New Haven 6511 | (203) 562-8003 |
| Representative William R Dyson 196 Mansfield St, New Haven 6511 | (203) 777-3460 |
| Family Relations 121 Elm St, New Haven 6510 | (203) 789-7853 |
| Housing Session 121 Elm St, New Haven 6510 | (203) 789-7937 |
| Legal Research 121 Elm St, New Haven 6510 | (203) 789-6938 |
| Judicial District Clerk 235 Church St, New Haven 6510 | (203) 503-6800 |