San Rafael Rock Quarry, operated by Dutra Materials (a CRH PLC company), provides high-quality crushed and broken stone NEC for a variety of construction and infrastructure projects. Located on Hwy 101 in Marin County, CA, the surface quarry is ideally situated for serving the San Francisco Bay Area market, with convenient access to transportation networks. The operation employs 25 people, ensuring consistent supply and reliable service.
Operator
Dutra Materials
Parent Company
CRH PLC
Company Type
Corporation
56
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37.984167, -122.453333
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
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Crushed, Broken Stone NEC