Historical Markers in San Gregorio

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2 entries match your criteria.

Historical Markers in San Gregorio

Redwood City is the county seat for San Mateo County

San Gregorio is in San Mateo County

San Mateo County (193) ►

ADJACENT TO SAN MATEO COUNTY

Alameda County (688) ►

San Francisco City and County (755) ►

Santa Clara County (651) ►

Santa Cruz County (261) ►

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1 ► California, San Mateo County, San Gregorio — 26 — Portola Camp — Reported missing

2 ► California, San Mateo County, San Gregorio — San Gregorio House —

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Nov. 13, 2026