| Business | Phone |
| Colonial Beach Town Hall 18 Irving Ave N, Colonial Beach 22443 | (804) 224-7181 |
| Colonial Beach Public Works 700 Colonial Ave, Colonial Beach 22443 | (804) 224-7260 |
| Colonial Beach Sewage Trtmnt 700 Colonial Ave, Colonial Beach 22443 | (804) 224-7107 |