Reliez Valley, California — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Reliez Valley, Contra Costa County.
| City | Reliez Valley |
| State | California (CA) |
| County | Contra Costa |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 37.933506 |
| Longitude | -122.095562 |
| Population | 3,173 |
| Density | 491.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 94549 |
| Area Code | 510 |
| County Seat | Martinez |
| School District | Acalanes Union High School District |
Reliez Valley is a locality in Contra Costa County, California, United States. It has a population of approximately 3,173. The population density is 491.7 people per km². Reliez Valley is located at 37.9335°N, 122.0956°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94549.
Reliez Valley unfurls under a sky that often burns a brilliant, almost defiant blue, a landscape where the foothills of the Diablo Range begin their rugged conversation with the flatter expanses of the East Bay. It lies 2.1 miles west-south-west of Pleasant Hill, CA (from Pleasant Hill, CA: bearing 242°T), and is situated 4.7 miles south-west of Concord. Here, the land itself seems to hold its breath, a gentle slope of chaparral and oak stretching towards the sun-drenched horizons. The air, especially in the late afternoon, carries a dry, herbal scent, a whisper of wild sage and sun-baked earth that clings to the skin. Rolling hills, softened by the passage of countless seasons, cradle pockets of verdant growth where vineyards and orchards have found purchase, their rows marching in disciplined lines against the wilder, untamed slopes. The occasional hawk circles lazily overhead, a dark silhouette against the vast, luminous canvas, a silent sentinel over this quiet corner of the world. The history of Reliez Valley is one of quiet endurance and adaptation, a story written not in grand pronouncements but in the steady cultivation of the land. For generations, it was a place defined by its agricultural bounty, the fertile soil yielding grapes and citrus that were the lifeblood of its early economy. This legacy still lingers, though the valley’s character has evolved, embracing a more suburban grace as it became a desirable haven for those seeking a tranquil retreat from the urban clamor. Yet, the echoes of its agricultural past remain, visible in the weathered barns and the enduring presence of working farms that still dot the landscape, a gentle reminder of the valley’s roots. The quiet hum of lawnmowers replaces the rumble of tractors, but the enduring spirit of stewardship, of tending to the land, persists, a subtle thread connecting past and present.
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This page provides an interactive Google map of Reliez Valley, California with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Reliez Valley and Contra Costa County.
Detailed location data for Reliez Valley includes the ZIP code (94549), telephone area code (510), county seat of Contra Costa County (Martinez), and school district assignment (Acalanes Union High School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Reliez Valley is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |