Note: All phone numbers are area code (248) unless noted otherwise
| Troy City Hall M-F: 8:00a.m.-4:30p.m. 500 W. Big Beaver Rd. | 524-3300 |
| Assessor | 524-3311 |
| Building Department | 524-3344 |
| Building Inspection Request | 689-5744 |
| City Attorney | 524-3320 |
| City Clerk (Dog Licenses) | 524-3316 |
| City Council, Manager & Mayor (City Council meets on Mondays @ 7:30p.m.) | 524-3300 |
| Community Affairs | 524-1147 |
| Engineering | 524-3383 |
| Human Resources Job Hotline | 680-7296 524-3339 |
| Planning Department | 524-3364 |
| Public Works 4693 Rochester Rd. | |