| Business | Phone |
| New Canaan Building Dept 77 Main St, New Canaan 6840 | (203) 594-3012 |
| New Canaan Building Inspector 77 Main St, New Canaan 6840 | (203) 972-2370 |
| New Canaan City Animal Control 174 South Ave, New Canaan 6840 | (203) 594-3510 |
| New Canaan Engineering Dept 77 Main St, New Canaan 6840 | (203) 972-2361 |
| New Canaan Parking Ticket Ofc 77 Main St, New Canaan 6840 | (203) 972-2365 |
| New Canaan Registrar Of Voters 77 Main St, New Canaan 6840 | (203) 594-3060 |
| New Canaan Selectman Office 77 Main St, New Canaan 6840 | (203) 594-3000 |
| New Canaan Sewage Disposal 394 Main St, New Canaan 6840 | (203) 972-0181 |
| New Canaan Transfer Station 123 New Norwalk Rd, New Canaan 6840 | (203) 972-0181 |
| New Canaan Transfer Station 390 Main St, New Canaan 6840 | (203) 594-3703 |
| New Canaan Waste Water Trtmnt 394 Main St, New Canaan 6840 | (203) 972-2645 |
| New Canaan Youth Officer 174 South Ave, New Canaan 6840 | (203) 594-3523 |
| Lepham Community Center Po Box 83, New Canaan 6840 | (203) 594-3620 |