| Business | Phone |
| City Of Lake Oswego-Adult Comm 505 G Ave, Lake Oswego 97034 | (503) 636-7549 |
| Lake Oswego Adult Community 505 G Ave, Lake Oswego 97034 | (503) 635-3758 |
| Lake Oswego Building Inspctns 380 A Ave, Lake Oswego 97034 | (503) 636-9347 |
| Lake Oswego Citizens Cncrn Center 380 A Ave, Lake Oswego 97034 | (503) 697-6573 |
| Lake Oswego City Attorney's 380 A Ave, Lake Oswego 97034 | (503) 635-0225 |
| Lake Oswego City Manager's Office 380 A Ave, Lake Oswego 97034 | (503) 635-0215 |
| Lake Oswego City Municipal Crt 380 A Ave, Lake Oswego 97034 | (503) 635-0217 |
| Lake Oswego City Personnel 380 A Ave, Lake Oswego 97034 | (503) 635-0220 |
| Lake Oswego City Planning 380 A Ave, Lake Oswego 97034 | (503) 635-0290 |
| Lake Oswego City Recorder 380 A Ave, Lake Oswego 97034 | (503) 635-0236 |
| Lake Oswego Dog Licenses 380 A Ave, Lake Oswego 97034 | (503) 635-0255 |
| Lake Oswego Maintenance Dept 5705 Jean Rd, Lake Oswego 97035 | (503) 635-0280 |