RELIANCE PLANT, operated by CALMAT CO, a Vulcan Materials Company, produces high-quality construction sand and gravel essential for various building projects. Located in Los Angeles County, CA, off Hwy 210 East, the surface mine provides convenient access to major infrastructure and regional markets. With 35 employees, this established operation ensures reliable supply and consistent material quality for your construction needs.
Operator
CALMAT CO
Parent Company
Vulcan Materials Company
Company Type
Corporation
55
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34.133611, -117.931667
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
Out of service/shop storage location. 90 Industrial Way, Beckwourth, CA 96129, CA
Construction Sand and GravelI-80W to CA 37 towards Novato, Right on Hwy 101 N to Exit 479 and go Left. Right onto Stony Point Rd, Left on Roblar Rd. Mine is on Left, CA
Construction Sand and GravelFrom F/O take I-10 West to 215 North to the I-15 North, to the 395 to Fort Independence. Juts past Fort Independence, turn left on dirt road, W. Dusty Ln. and follow to mine., CA
Sand, Industrial NECFrom Hwy 41, head West on Hwy 145 for approximately 1 mile. Turn left onto 40450 E. Hwy 145, Madera, CA 93636., CA
Crushed, Broken Stone NEC