| Business | Phone |
| Princeton Administrator 1 Monument Dr, Princeton 8540 | (609) 497-7622 |
| Princeton Borough Engineers 1 Monument Dr, Princeton 8540 | (609) 497-7634 |
| Princeton Building Dept 1 Monument Dr, Princeton 8540 | (609) 497-7644 |
| Princeton Clerk's Office 1 Monument Dr, Princeton 8540 | (609) 924-3118 |
| Princeton Clerks Office 400 Witherspoon St, Princeton 8542 | (609) 924-5704 |
| Princeton Engineering Dept 400 Witherspoon St, Princeton 8542 | (609) 921-7077 |
| Princeton Housing Manager 369 Witherspoon St, Princeton 8542 | (609) 924-8673 |
| Princeton Regional Planning 369 Witherspoon St, Princeton 8542 | (609) 924-5366 |
| Princeton Rental Housing 369 Witherspoon St, Princeton 8542 | (609) 924-4257 |
| Princeton Rental Housing Monument Dr, Princeton 8540 | (609) 924-4257 |
| Princeton Senior Resource Center 45 Stockton St, Princeton 8540 | (609) 924-7108 |
| Princeton Sewer Operating Comm 1 Monument Dr, Princeton 8540 | (609) 497-7639 |
| Princeton Small Animal Control 1 Monument Dr, Princeton 8540 | (609) 924-2728 |
| Princeton Small Animal Control 369 Witherspoon St, Princeton 8542 | (609) 924-2728 |
| Princeton Township Vltns Bur 1 Valley Rd, Princeton 8540 | (609) 924-5042 |
| Princeton Twp Adm 400 Witherspoon St, Princeton 8542 | (609) 924-5176 |
| Princeton Twp Building Inspctr 369 Witherspoon St, Princeton 8542 | (609) 921-7078 |
| Princeton Twp Garage 400 Witherspoon St, Princeton 8542 | (609) 688-2566 |
| Pump Station South-Brunswick Independence Wy & Us Highway 1amp;, Princeton 8540 | (609) 452-2746 |
| Corner House 369 Witherspoon St, Princeton 8542 | (609) 924-8018 |
| Crosstown 62 400 Witherspoon St, Princeton 8542 | (609) 924-6162 |
| Borough Garage 27 N Harrison St, Princeton 8540 | (609) 497-7657 |