| Business | Phone |
| Mendham Twp Brookside Beach W Main, Brookside 7926 | (973) 543-9847 |
| Mendham Twp Clerk 2 W Main St, Brookside 7926 | (973) 543-4555 |
| Mendham Twp Offices 2 W Main, Brookside 7926 | (973) 543-1436 |
| Mendham Twp Violations W Main & Cherry Lnamp;, Brookside 7926 | (973) 543-7526 |