18 registered streets starting with "O"
| Street Name | Risk | Buildings |
|---|---|---|
| Oak | Typical | 171 |
| Oakdale | Higher | 52 |
| Oakwood | Typical | 14 |
| Ocean | Higher | 45 |
| Octavia | Typical | 105 |
| Ofarrell | Higher | 54 |
| Old Chinatown | Higher | 1 |
| Oliver | Lower | 1 |
| Olmstead | Typical | 2 |
| Onondaga | Typical | 12 |
| Orben | Lower | 2 |
| Ord | Lower | 23 |
| Orizaba | Lower | 4 |
| Ortega | Lower | 13 |
| Osceola | Higher | 1 |
| Osgood | Lower | 3 |
| Otsego | Typical | 1 |
| Ottawa | Lower | 1 |