| Business | Phone |
| Lambertville City Garage 120 Quarry St, Lambertville 8530 | (609) 397-2230 |
| Lambertville Clerk's Office 18 York St, Lambertville 8530 | (609) 397-0110 |
| Lambertville Construction Office 18 York St, Lambertville 8530 | (609) 397-0803 |
| Lambertville Special Svc 301 Mount Airy Harbourton Rd, Lambertville 8530 | (609) 397-1311 |
| Township Garage 258 Mount Airy Harbourton Rd, Lambertville 8530 | (609) 397-3743 |
| West Amwell Municipal Ct Clerk 150 Rocktown Lambertville Rd, Lambertville 8530 | (609) 397-2027 |
| West Amwell Township Clerks 150 Rocktown Lambertville Rd, Lambertville 8530 | (609) 397-2054 |