Reliez Valley is a community in Contra Costa County, California, home to about 3,173 people across 2.4 square miles. It has no ZIP code of its own: it’s part of 94549.
Homes sold for a median of $855 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lafayette; part is in Reliez Valley
Each card is that ZIP code’s whole market, including any part outside Reliez Valley. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Reliez Valley’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Oakland San Francisco Bay Airport (OAK)14 miles away |
|---|---|
| Closer regional airport | Buchanan Field (CCR)7 miles away |
| Nearest city of 250,000+ | Oakland, CA11 miles away |
| Nearest city of 1 million+ | Los Angeles, CA338 miles away |
Straight-line distances from the center of Reliez Valley; 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.
Reliez Valley had 3,354 residents in the 2020 census, up 8% since 2010.
It’s the 777th largest of 1,563 towns in California by population.
Contra Costa County grew from 18,046 residents in 1900 to 1,165,927 in 2020.
Contra Costa County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 41°F. About 17.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Concord Wwtp, CA weather station (6 miles away).
343,690 jobs at 25,932 businesses in Contra Costa County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
412 doctors and other health care providers list an office in Reliez Valley.
Nearest hospitals
Providers with an office here
| Primary care doctors | 24 |
|---|---|
| Specialist doctors | 30 |
| Dentists | 40 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 195 |
| Physical and occupational therapists | 71 |
| Optometrists | 13 |
| Chiropractors | 21 |
| 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 (3 nearby)
Grocery stores (4 nearby)
Pharmacies
Libraries (1 nearby)
Museums
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 Lafayette Elementary, Acalanes Union High. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Burton Valley ElementaryLafayette | K–5 | 653 | Public | 2.5 mi |
| Happy Valley ElementaryLafayette | K–5 | 463 | Public | 1.7 mi |
| Lafayette Early Intervention PreschoolLafayette | K | 3 | Public | 2.5 mi |
| Lafayette ElementaryLafayette | K–5 | 515 | Public | 0.6 mi |
| Springhill ElementaryLafayette | K–5 | 479 | Public | 1.0 mi |
| M. H. Stanley MiddleLafayette | 6–8 | 1,117 | Public | 0.6 mi |
| Acalanes HighLafayette | 9–12 | 1,256 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Diablo Valley Montessori SchoolLafayette | Pre-K–K | 10 | Nonsectarian | 0.2 mi |
| St Perpetua SchoolLafayette | Pre-K–8 | 248 | Roman Catholic | 1.0 mi |
| The Meher SchoolsLafayette | Pre-K–5 | 180 | Nonsectarian | 1.3 mi |
| Bentley SchoolLafayette | K–12 | 634 | Nonsectarian | 2.1 mi |
| Contra Costa Jewish Day SchoolLafayette | K–8 | 172 | Jewish | 1.4 mi |
| The Springstone SchoolLafayette | 6–12 | 42 | 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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Shares ZIP codes with Lafayette.
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.