Fill Dirt Delivery for Redwood City, CA

If you need gravel and aggregate delivery in Redwood City, CA, the ground under your project decides what goes on top of it. Soils here change over short distances, from sandy ground near the shoreline to heavy clay that cracks when dry and swells when wet. California Rock Supply delivers Class 2 base, fill dirt and the rest by the ton, so you can build the pad and base the site actually needs.

Delivery to Redwood City and the Surrounding Area

You order online, pick your material, and set the quantity by the ton or the yard. If you are not sure how much a pad or drive will take, the calculator on the product page sizes the load for you. Then you choose a delivery date at checkout.

A dump truck brings the material to your site in Redwood City, which sits in San Mateo County. Bulk loads go to driveways, back yards and job sites across the city. We also deliver to San Mateo, Daly City, South San Francisco, San Bruno and Pacifica.

Think about where the truck can reach before you order. A pad that is easy to dump beside is faster to place than one behind a fence.

Materials for Redwood City Projects

Start with what holds the project up. Fill dirt raises grade and builds up a pad before anything else goes down. Class 2 base, also called Class II base rock, is the compacted layer under pavers, slabs and driveways, and Caltrans specifies it as Class 2 aggregate base. Get the fill and sub-base right and the finish on top stays flat.

For a driveway, build up with fill dirt, then compact Class 2 base, then top it with driveway gravel if you want a loose wearing surface. For a patio or paver walk, Class 2 base under the pavers, then mason sand for the joints, or Stone Screenings for a firm path surface over a compacted base.

For a drain, a French drain or downspout run needs clean stone with no fines so water can move. Use drain rock or 3/4 inch drain rock, and line the trench so the stone does not fill with silt.

Raising grade on a planting area is a different job. Fill dirt builds the pad, topsoil goes on last for lawns and beds, and shredded mulch holds moisture in the beds through the dry season.

Ground and Conditions in Redwood City

Redwood City sits in the Coast and Coast Ranges ground zone, where sandy soils near the shoreline drain fast but the clay soils in the valleys and hills do not. Heavy clay swells when wet and cracks when dry, so an under-built base moves with it and the surface above follows.

That is why base depth and compaction matter more than the finish material. On clay, the base has to be thick enough and compacted in lifts so it does not pump or shift under load.

Most rain arrives from late fall to spring, often in a few large winter storms. Water soaks into sand quickly but sits on clay and runs off slopes, so plan drainage before the wet season starts.

Winter also brings hillside runoff and slides on steep slopes, so armoring where water leaves a slope is worth doing early. The dry season from late spring into fall is the main window for base, driveway and paver work, since saturated clay is what holds a job up.

Order Fill Dirt and Class 2 Base in Redwood City

For raising grade and building a pad, start with fill dirt, then cap it with Class 2 base so the surface above stays flat. California Rock Supply delivers both, plus drainage stone, sand and topsoil, to sites across Redwood City. Choose your material, size the load, and pick your delivery date to place your order.