San Mateo County
Graniterock has six locations in San Mateo County, with five locations in Redwood City and one in South San Francisco.
Learn more about Graniterock’s history in the Redwood City History Brochure.
Locations
News and Events
- News
Graniterock wins 2012 UCON R.E.A.L. Safety Award May 2013 - Events
Local artists Ellen Brook and Gail Ragains celebrate the opening of their new exhibit, Color on the Rocks: Bold Works on Silk and Canvas at Graniterock’s Cupertino Design Center Saturday, June 8, 4-6 PM - MuseumGraniterock has used railway locomotives for production and transport of its products throughout the Company’s long history. From 1911 until 1948, steam engines were in regular use at the A.R. Wilson Quarry, then known as Logan Quarry.
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