Welcome to San Lorenzo ...

San Lorenzo is located in Alameda County<1>.

While we don't have a date for the founding of San Lorenzo, you might consider that their post office opened  in 1854.

San Lorenzo is 40 feet [12 m] above sea level.<2>.

Time Zone: San Lorenzo lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

San Lorenzo is located in the (510) area code.

Communities Also Named San Lorenzo ...

Using our Gazetteer, we found that there are two California communities named San Lorenzo: This one is located in Alameda County and the other is located in Monterey County.

Beyond California, there are 4 communities that are also named San Lorenzo - they are located in Nevada and New Mexico (2).

For more information, see our Tidbits & Trivia Page for San Lorenzo.

Communities near San Lorenzo ...

We have created a list of 10 communities that are near San Lorenzo.

• San Francisco
  (17 miles [27.4 km] to the west)
  • Jump to our Gazetteer entry for San Francisco
  • San Francisco is located in San Francisco County
  • Population from the 2020 Census: 866,606 people
  • Jump to TripAdvisor's Tourism page for San Francisco <3>
• Oakland
  (11 miles [17.7 km] to the northwest)
  • Jump to our Gazetteer entry for Oakland
  • Oakland is located in Alameda County
  • Population from the 2020 Census: 424,891 people
  • Jump to TripAdvisor's Tourism page for Oakland <3>
• Fremont
  (12 miles [19.3 km] to the southeast)
  • Jump to our Gazetteer entry for Fremont
  • Fremont is located in Alameda County
  • Population from the 2020 Census: 234,569 people
  • Former names for Fremont:
  • Centerville
  • Irvington
  • Mission San Jose
  • Niles
  • Warm Springs
  • Jump to TripAdvisor's Tourism page for Fremont <3>
• Berkeley
  (15 miles [24.1 km] to the northwest)
  • Jump to our Gazetteer entry for Berkeley
  • Berkeley is located in Alameda County
  • Population from the 2020 Census: 122,726 people
  • Jump to TripAdvisor's Tourism page for Berkeley <3>
• Daly City
  (18 miles [29 km] to the west)
  • Jump to our Gazetteer entry for Daly City
  • Daly City is located in San Mateo County
  • Population from the 2020 Census: 105,868 people
  • Jump to TripAdvisor's Tourism page for Daly City <3>
• San Mateo
  (13 miles [20.9 km] to the southwest)
  • Jump to our Gazetteer entry for San Mateo
  • San Mateo is located in San Mateo County
  • Population from the 2020 Census: 102,398 people
  • Jump to TripAdvisor's Tourism page for San Mateo <3>
• Livermore
  (19 miles [30.6 km] to the east)
  • Jump to our Gazetteer entry for Livermore
  • Livermore is located in Alameda County
  • Population from the 2020 Census: 91,617 people
  • Jump to TripAdvisor's Tourism page for Livermore <3>
• San Leandro
  (3 miles [4.8 km] to the northwest)
  • Jump to our Gazetteer entry for San Leandro
  • San Leandro is located in Alameda County
  • Population from the 2020 Census: 89,161 people
  • Jump to TripAdvisor's Tourism page for San Leandro <3>
• Redwood City
  (14 miles [22.5 km] to the south)
  • Jump to our Gazetteer entry for Redwood City
  • Redwood City is located in San Mateo County
  • Population from the 2020 Census: 84,466 people
  • Jump to TripAdvisor's Tourism page for Redwood City <3>
• San Ramon
  (10 miles [16.1 km] to the northeast)
  • Jump to our Gazetteer entry for San Ramon
  • San Ramon is located in Contra Costa County
  • Population from the 2020 Census: 82,865 people
  • Jump to TripAdvisor's Tourism page for San Ramon <3>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around San Lorenzo. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for San Lorenzo.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of San Lorenzo. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around San Lorenzo.

We also have a detailed list of newspapers that have been published in the area around San Lorenzo. See our Newspapers Page for San Lorenzo.

TripAdvisor Tourism Pages for San Lorenzo ...

Looking for more information about San Lorenzo? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for San Lorenzo, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for San Lorenzo.

Adding San Lorenzo to Our Gazetteer ...

We originally found mention of San Lorenzo in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for San Lorenzo was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<4>

From that list, the San Lorenzo post office opened in 1854.

We also found San Lorenzo in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for San Lorenzo.

Off-the-Road Links ...

Unfortunately, we don't know of a website for San Lorenzo. If you can help, please contact us through our Feedback Page.

The official website for Alameda County: www.acgov.org/

The official website for State of California: https://www.ca.gov/