Please use one of the following methods to contact our road materials branches.

Peninsula Road Materials
Physical: 365 Blomquist Street, Redwood City, CA 94063-2701
Phone: 650.482.3800
Email: peninsulaasphalt@graniterock.com
Fax: 650.482.3801

San Jose Road Materials
Physical: 11711 Berryessa Road, San Jose, CA 95133-1012
Phone: 408.487.3100
Email: sanjoseasphalt@graniterock.com
Fax: 408.487.3101

A.R. Wilson Road Materials
Physical: End of Quarry Road, Aromas, CA 95004-9601
Phone: 831.768.2349
Email: arwilsonasphalt@graniterock.com
Fax: 831.768.2380

South San Francisco Road Materials
Physical: 1321 Lowrie Avenue, South San Francisco, CA 94080-6403
Phone: 650.869.3300
Email: southsanfrancisco@graniterock.com
Fax: 650.869.3301