| Place Name | San Gregorio |
| Place Type | Unincorporated |
| ZIP Code(s) | 94074 |
| County | San Mateo County |
| Area Code(s) | 650 |
| Timezone | Pacific Daylight Time (PDT) |
| Population () | |
| Metro/Micro Stats Area | San Francisco-Oakland-Berkeley, CA |
| US Congressional District(s) | California 16th |
| State Assembly Districts | 23 |
| State Senate Districts | 13 |