Mountain House is a community in Alameda County, California, home to about 25,513 people across 4.6 square miles. Its ZIP code is 95391.
Homes sold for a median of $334 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Mountain House. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mountain House’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Mineta San Jose International Airport (SJC)35 miles away |
|---|---|
| Closer regional airport | Stockton Metropolitan Airport (SCK)19 miles away |
| Nearest city of 250,000+ | Stockton, CA19 miles away |
| Nearest city of 1 million+ | Los Angeles, CA313 miles away |
Straight-line distances from the center of Mountain House; 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.
Mountain House had 24,499 residents in the 2020 census, up 153% since 2010.
It’s the 301st 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 93°F in summer, and winter lows average 40°F. About 12.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Tracy Pumping Plt, CA weather station (3 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).
23 doctors and other health care providers list an office in Mountain House.
Nearest hospitals
Providers with an office here
| Dentists | 4 |
|---|---|
| Nurse practitioners and physician assistants | 7 |
| Mental health providers | 7 |
| Physical and occupational therapists | 5 |
| Pharmacies | 3 |
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 (9 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums
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.
Established in 2001.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Lammersville Joint Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Altamont ElementaryMountain House | K–8 | 616 | Public | 1.1 mi |
| Bethany ElementaryMountain House | K–8 | 768 | Public | 0.6 mi |
| Evelyn Costa ElementaryMountain House | K–8 | 612 | Public | 1.0 mi |
| Hansen ElementaryMountain House | K–8 | 930 | Public | 0.9 mi |
| Julius Cordes ElementaryMountain House | K–8 | 877 | Public | 0.5 mi |
| Sebastian Questa ElementaryMountain House | K–8 | 822 | Public | 1.5 mi |
| Wicklund ElementaryMountain House | K–8 | 689 | Public | 0.2 mi |
| Mountain House HighMountain House | 9–12 | 2,428 | Public | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public 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.