Explore Selby, California, with this interactive street and satellite map.
This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.
This interactive map shows the street layout and satellite imagery for Selby, California. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of California or beyond.
Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Selby.
Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.
| City | Selby |
| State | California (CA) |
| County | Contra Costa County |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 38.056588 |
| Longitude | -122.243858 |
| Population | 1,200 |
| Density | 55.0 /km² |
| Incorporated | N/A |
| ZIP Codes | 94572, 94547 |
| Area Code | 510 |
| County Seat | Martinez |
Selby occupies a narrow shelf of land where the terrestrial edge meets the salt-heavy air of the Pacific Ocean. It lies 3.4 miles south-southeast of Vallejo, CA (from Vallejo, CA: bearing 168°T), and is situated 6.5 miles west-northwest of Martinez. The landscape here is defined by the sharp, downward slope of the terrain as it drains toward the Napa River, which carves a muted path through the lowlands nearby. To the east, the horizon is anchored by the distant, hazy silhouette of the Coast Ranges, often obscured by the shifting gray veil of maritime fog. A mile inland, the quiet expanse of Alexander Park offers a reprieve from the coastal winds, while the sheltered basin of Cañada Del Cierbo provides a topographical contrast to the flat, industrial shoreline. In the calm of an early morning, the light takes on a pale, translucent quality, washing over the water and the nearby expanse of Mare Island until the details of the coast seem to dissolve into a singular, shimmering plane.
Selby retains the industrial gravity of a place built upon the movement of goods and the processing of raw materials. The local economy has long been shaped by the proximity of the water, favoring a legacy of transit and utility that mirrors the slow, steady current of the Napa River. While the daily pace remains tethered to these historical functions, the surrounding topography—including the distant waters of the Swanzy Reservoir—serves as a reminder of the region's essential hydrological character. Residents navigate a life defined by the intersection of these heavy, concrete realities and the persistent, unyielding pull of the tides. The atmosphere carries the weight of a working landscape, yet there is a quiet dignity in the way Selby persists, grounded firmly against the fault lines that run silent and deep beneath the soil.
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This page provides an embedded street and satellite map of Selby, California. Coordinates: 38.056588, -122.243858. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Selby includes the ZIP code (94572, 94547), telephone area code (510), county seat of Contra Costa County (Martinez), and school district assignment.
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |