PUBLIC REGISTRY INFORMATION
7 registered sex offenders in Foster City, California
Explore registry information in Foster City and check nearby locations on the free map.
Registry snapshot
October 7, 2026- Registry records
- 7
- Registry source
- California Sex Offender Registry
Informational snapshot; verify current details with the official registry.
Registry context
Population & local comparison- Registry records per 10,000 residents
- 2.1
- Population estimate
- 32,792
- About 1 registry record per
- 4,685 residents
71% below San Mateo County’s rate
U.S. Census Bureau, ACS 5-year estimate. Records relative to population, not the share of residents on a registry.
Explore near Foster City
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A 1-mile radius around the city map center. This is not the whole city count.
Open the interactive map →ZIP codes associated with Foster City
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 94404 | 9 | 35,881 | 2.5 |
Other cities associated with San Mateo County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Redwood City | 108 | 82,447 | 13.1 |
| East Palo Alto | 73 | 29,069 | 25.1 |
| South San Francisco | 49 | 64,305 | 7.6 |
| Pacifica | 26 | 37,261 | 7.0 |
| Menlo Park | 24 | 32,727 | 7.3 |
| San Carlos | 12 | 29,614 | 4.1 |
| Belmont | 11 | 27,337 | 4.0 |
| Half Moon Bay | 11 | 11,391 | 9.7 |
| Millbrae | 8 | 22,689 | 3.5 |
| S San Francisco | 8 | — | — |
| Broadmoor | 7 | 4,586 | 15.3 |
| S San Fran | 5 | — | — |
| Colma | 3 | 1,636 | 18.3 |
| Moss Beach | 3 | 2,683 | 11.2 |
| South San Francis | 2 | — | — |
| Brisbane | 1 | 4,692 | 2.1 |
| E Palo Alto | 1 | — | — |
| La Honda | 1 | 1,269 | 7.9 |
| Pescadero | 1 | 691 | 14.5 |
| Woodside | 1 | 5,126 | 2.0 |
Each linked area shows its own total. Geographic totals overlap and should not be added together; cities and ZIP codes can cross county boundaries. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.
Frequently asked questions
How many registered sex offenders are listed in Foster City?
The October 7, 2026 snapshot lists 7 registered sex offenders in Foster City, California. Counts are informational and may differ from official registry totals.
How are the associated areas shown?
The linked areas share registry locations with Foster City. City, county and ZIP boundaries can differ, and their totals should not be added together.
Does the map preview show the whole city?
No. The preview shows public registry locations within 1 mile of the area’s map center. It covers a different area from the total above, and its live results may differ.
Check a specific address
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