| Business | Phone |
| City Council 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7305 |
| Community Services 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7330 |
| Signal Hill Park Community Center 1780 E Hill St, Signal Hill 90755 | (562) 989-7334 |
| Building Inspector 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7348 |
| Crisis Intervention 1800 E Hill St, Signal Hill 90755 | (562) 989-7336 |
| Long Beach Municipal Band 2301 E 28th St, Signal Hill 90755 | (562) 570-1743 |
| Personnel Dept 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7307 |
| Water & Refuse Billing 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7315 |
| Signal Hill Business Licenses 2175 Cherry Ave, Signal Hill 90755 | (562) 989-7316 |