Dutra Product Information

See all materials available, along with specs and gradations, from both our San Rafael Rock Quarry and Richmond Plant below!

Construction Calculator

Excavation Cost Definition

Use our excavation cost calculator to instantly calculator how much an excavation job will cost. Enter the length, width, and depth of the area that needs to be excavated and the cost per yard and our calculator will return the total cost of excavation.

Excavation Cost Formula: (Length * Width * Depth / 27) * Price per yard

 

Dutra’s Rock Quarry has been an active mine for over 100 years.

Dutra Materials is a key supplier of aggregate in Northern California with a strategically located quarry in San Rafael and material distribution centers located among the San Francisco Bay and Sacramento delta region.

Dutra Materials has an experienced and highly skilled staff which includes geologists as well as mining and civil engineers, all with extensive experience in the aggregate industry. Dutra Materials manufactures a wide variety of products, most of which are available for land-side or water-side distribution.

Dutra’s Rock Quarry, The San Rafael Rock Quarry, acknowledged as a certified State and Federal resource, is unique because:

  • Water-side barge-loading equipment makes it the most cost-effective transporter of quality aggregate in the region.

  • An extensive barge and towing fleet allows it to handle any-sized job within its service area — from projects West of the Rocky Mountains to the Pacific Rim.


SAN RAFAEL ROCK QUARRY1000 Point San Pedro Road, San Rafael, CA 94901

SAN RAFAEL ROCK QUARRY

1000 Point San Pedro Road, San Rafael, CA 94901

RICHMOND PLANT961 Stenmark Drive, Richmond, CA 94801

RICHMOND PLANT

961 Stenmark Drive, Richmond, CA 94801