PUBLIC REGISTRY INFORMATION
55 registered sex offenders in San Mateo, California
Explore registry information in San Mateo and check nearby locations on the free map.
Registry snapshot
October 7, 2026- Registry records
- 55
- 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
- 5.3
- Population estimate
- 103,105
- About 1 registry record per
- 1,875 residents
27% 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 San Mateo
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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 San Mateo
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 95116 | 134 | 48,042 | 27.9 |
| ZIP code 94401 | 30 | 35,295 | 8.5 |
| ZIP code 94403 | 14 | 43,276 | 3.2 |
| ZIP code 94404 | 9 | 35,881 | 2.5 |
| ZIP code 94402 | 6 | 25,475 | 2.4 |
Other cities associated with San Mateo County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Redwood City | 108 | 82,447 | 13.1 |
| Daly City | 68 | 101,964 | 6.7 |
| South San Francisco | 49 | 64,305 | 7.6 |
| San Bruno | 31 | 42,307 | 7.3 |
| Pacifica | 26 | 37,261 | 7.0 |
| San Carlos | 12 | 29,614 | 4.1 |
| Belmont | 11 | 27,337 | 4.0 |
| Burlingame | 11 | 30,525 | 3.6 |
| Half Moon Bay | 11 | 11,391 | 9.7 |
| Millbrae | 8 | 22,689 | 3.5 |
| S San Francisco | 8 | — | — |
| Broadmoor | 7 | 4,586 | 15.3 |
| Foster City | 7 | 32,792 | 2.1 |
| 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 | — | — |
| 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 San Mateo?
The October 7, 2026 snapshot lists 55 registered sex offenders in San Mateo, California. Counts are informational and may differ from official registry totals.
How are the associated areas shown?
The linked areas share registry locations with San Mateo. 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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