Mobile notaries work by appointment, not storefront hours, so the "open now" hours Google shows for them are often just office hours for calls — not a promise anyone will show up at 9pm for a hospital signing or a Saturday closing. Every listing here has after-hours or 24-hour availability confirmed directly from the notary's own website or booking terms, not inferred from a generic hours field.
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Gotcha Legal Services
135 W 25th Ave 6695, San Mateo, CA 94403
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Block Advisors
21 41st Ave, San Mateo, CA 94403-5105
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Gengo
204 2nd Ave, San Mateo, CA 94401-3904
Also in San Mateo
- 18
- 4
- 3
More in San Mateo and California
- All notaries, tax preparers and document services in San Mateo30
- After-Hours Mobile Notaries across California524
After-Hours Mobile Notaries near San Mateo
- Los Angeles52
- San Diego25
- San Francisco25
- San Jose21
- Sacramento17
- Santa Ana15
- Irvine14
- Anaheim9
Good to know
Can I find a notary open at night or on weekends?
Yes — many mobile notaries advertise 24/7 or evening/weekend availability specifically for loan signings, hospital and hospice visits, and jail notarizations, which real estate closings and urgent legal matters routinely require. Response time is usually 1-3 hours for a same-night appointment, faster in metro areas.
Do notaries charge extra for after-hours appointments?
Most do — expect a $25-$75 after-hours or emergency fee added to the base travel and signing fee, with weekend and holiday appointments sometimes priced the same as night calls. A handful of notaries build a flat 24-hour rate into their pricing instead, so it's worth asking directly rather than assuming the surcharge applies.