| Business | Phone |
| Gladstone Business Licenses 525 Portland Ave, Gladstone 97027 | (503) 557-2769 |
| Gladstone City Animal Control 525 Portland Ave, Gladstone 97027 | (503) 655-8211 |
| Gladstone City Offices 18005 Webster Rd, Gladstone 97027 | (503) 723-9379 |
| Gladstone City Planning 525 Portland Ave, Gladstone 97027 | (503) 557-2766 |
| Gladstone City Shops 18595 Portland Ave, Gladstone 97027 | (503) 656-7957 |
| Gladstone Code Enforcement 525 Portland Ave, Gladstone 97027 | (503) 557-2763 |
| Gladstone Medical Gladstone 97027 | (503) 000-1111 |