Los Osos is a community in San Luis Obispo County, California, home to about 14,166 people across 13 square miles. Its ZIP code is 93402.
Homes sold for a median of $643 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Los Osos. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Los Osos’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Fresno Yosemite International Airport (FAT)118 miles away |
|---|---|
| Closer regional airport | San Luis County Regional Airport (SBP)12 miles away |
| Nearest city of 250,000+ | Bakersfield, CA101 miles away |
| Nearest city of 1 million+ | Los Angeles, CA164 miles away |
Straight-line distances from the center of Los Osos; 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.
Los Osos had 14,465 residents in the 2020 census, up 1% since 2010.
It’s the 414th largest of 1,563 towns in California by population.
San Luis Obispo County grew from 16,637 residents in 1900 to 282,424 in 2020.
San Luis Obispo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 73°F in summer, and winter lows average 46°F. About 17 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Morro Bay Fire Dept, CA weather station (3 miles away).
98,720 jobs at 8,962 businesses in San Luis Obispo County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
95 doctors and other health care providers list an office in Los Osos.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 7 |
| Mental health providers | 50 |
| Physical and occupational therapists | 16 |
| Optometrists | 6 |
| Chiropractors | 5 |
| Pharmacies | 4 |
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 (2 nearby)
Grocery stores (3 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 2.5 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 Luis Coastal Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Baywood ElementaryLos Osos | K–5 | 342 | Public | 0.7 mi |
| Monarch Grove ElementaryLos Osos | K–5 | 324 | Public | 0.9 mi |
| Los Osos MiddleLos Osos | 6–8 | 494 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Wishing Well SchoolLos Osos | Pre-K–8 | 128 | Nonsectarian | 0.5 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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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.