| Business | Phone |
| Veteran Services 500 Broadway # 112, Chelsea 2150 | (617) 889-8319 |
| Chelsea City Alderman Board 500 Broadway, Chelsea 2150 | (617) 889-8210 |
| Chelsea City Bldg Inspector 500 Broadway, Chelsea 2150 | (617) 889-8271 |
| Chelsea Electrical Inspector 500 Broadway, Chelsea 2150 | (617) 889-8274 |
| Chelsea Health Inspector 500 Broadway, Chelsea 2150 | (617) 889-8270 |
| Chelsea Law Dept 500 Broadway # 307, Chelsea 2150 | (617) 889-8280 |
| Chelsea Licensing Dept 500 Broadway, Chelsea 2150 | (617) 889-8372 |
| Chelsea Plumbing Inspector 500 Broadway, Chelsea 2150 | (617) 889-8273 |
| Chelsea Weights & Measures 500 Broadway, Chelsea 2150 | (617) 889-8272 |
| City Personnel 500 Broadway, Chelsea 2150 | (617) 889-8294 |
| City Procurement 500 Broadway # 206, Chelsea 2150 | (617) 889-8297 |
| City Retirement Dept 500 Broadway, Chelsea 2150 | (617) 889-8307 |
| Parking Clerk 500 Broadway, Chelsea 2150 | (617) 889-8288 |
| Elections & Listing 500 Broadway # 209, Chelsea 2150 | (617) 889-8369 |
| Mis 500 Broadway, Chelsea 2150 | (617) 889-8285 |
| Inspectional Services 500 Broadway # 202, Chelsea 2150 | (617) 889-8268 |