San Lorenzo is a community in Alameda County, California, home to about 29,171 people across 3.0 square miles. Its ZIP code is 94580, and parts of 94541 are in San Lorenzo too.
Homes sold for a median of $649 per square foot in the three months ending August 2026, a seller’s market.
Mostly San Lorenzo; also Ashland
Mostly Hayward; part is in San Lorenzo
Each card is that ZIP code’s whole market, including any part outside San Lorenzo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up San Lorenzo’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows San Lorenzo well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Oakland San Francisco Bay Airport (OAK)6 miles away |
|---|---|
| Nearest city of 250,000+ | Oakland, CA8 miles away |
| Nearest city of 1 million+ | Los Angeles, CA327 miles away |
Straight-line distances from the center of San Lorenzo; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
San Lorenzo had 29,581 residents in the 2020 census, up 35% since 2000.
It’s the 275th largest of 1,563 towns in California by population.
Alameda County grew from 130,197 residents in 1900 to 1,682,353 in 2020.
Alameda County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 77°F in summer, and winter lows average 43°F. About 16.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hayward Air Terminal, CA weather station (2 miles away).
749,124 jobs at 42,318 businesses in Alameda County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
51 doctors and other health care providers list an office in San Lorenzo.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 17 |
| Nurse practitioners and physician assistants | 5 |
| Mental health providers | 19 |
| Physical and occupational therapists | 4 |
| Chiropractors | 3 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (11 nearby)
Grocery stores (6 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by San Lorenzo Unified, KIPP Summit Academy District, KIPP King Collegiate High District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bay ElementarySan Lorenzo | K–5 | 422 | Public | 1.4 mi |
| Del Rey ElementarySan Lorenzo | K–5 | 373 | Public | 1.1 mi |
| Grant ElementarySan Lorenzo | K–5 | 322 | Public | 0.7 mi |
| Hesperian ElementarySan Lorenzo | K–5 | 500 | Public | 1.1 mi |
| KIPP Summit AcademySan Lorenzo | 5–8 | 427 | Charter | 1.5 mi |
| Bohannon MiddleSan Lorenzo | 6–8 | 606 | Public | 0.6 mi |
| Edendale MiddleSan Lorenzo | 6–8 | 483 | Public | 1.3 mi |
| Arroyo HighSan Lorenzo | 9–12 | 1,499 | Public | 0.9 mi |
| East Bay Arts HighSan Lorenzo | 9–12 | 154 | Alternative Education | 0.7 mi |
| KIPP King Collegiate HighSan Lorenzo | 9–12 | 662 | Charter | 1.5 mi |
| San Lorenzo HighSan Lorenzo | 9–12 | 1,029 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Lea's Christian SchoolSan Lorenzo | Pre-K–5 | 40 | Nonsectarian | 0.3 mi |
| St John Catholic SchoolSan Lorenzo | TK–8 | 168 | Roman Catholic | 0.7 mi |
| Redwood Christian Middle School and High SchoolSan Lorenzo | 6–12 | 394 | Christian (no specific denomination) | 0.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Cherryland, Hayward, Ashland and Fairview.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.