Cobble, Stone and Soil Delivery in San Jose, CA

Winter rain drives the work here. It soaks into sandy ground fast, then sits on clay and runs off slopes. For gravel and aggregate delivery in San Jose, CA, California Rock Supply stocks the coarse stone that answers that runoff.

Start with Class 2 base for anything under a driveway, paver pad or slab. Then armor the slopes and channels with washed rock that water passes through instead of pushing out.

Materials for San Jose Projects

Slope, swale and bank protection come first. Coarse, clean stone holds ground in place and moves water where you want it. Sizes run coarsest to finest below, each with the job it does.

Caltrans specifies placed rock on slopes as rock slope protection, so ask for riprap or RSP and you get the same coarse armor. For dry creek beds and swales, large river rock slows the flow and looks finished at the same time.

Behind a retaining wall or at a downspout, use drain rock. It is clean stone with no fines, so water moves through it instead of pooling against the wall. Where a drainage layer needs to shed water under a slab or drive, 3/4" crushed rock does the same work at a smaller size.

Once the drainage is set, build the base. Class 2 base, also called Class II base rock, is the standard California base material for driveways, parking pads and the compacted layer under pavers, slabs and Stone Screenings paths. Recycled base rock made from Road Base or asphalt does the same job, and Caltrans allows processed reclaimed asphalt and concrete in aggregate base.

For the surface, driveway gravel tops a compacted Class 2 base. Walkway gravel gives paths a finer, walkable finish. Stone Screenings, or DG, packs firm for paths, patios and low-water ground cover laid over a compacted base. In beds and borders, river cobble and Natural Pea Gravel handle decorative and drainage duty. Mason sand and washed sand cover brick work, paver joints and slab bedding, and topsoil rebuilds lawns and beds over heavy clay.

Delivery to San Jose and the Surrounding Area

Order online and set your quantity by the ton or the yard. If you are unsure how much a project needs, the calculator sizes the load for you before checkout. Pick your delivery date at checkout and a dump truck brings the material to your site.

California Rock Supply delivers across San Jose and Santa Clara County, including Sunnyvale, Santa Clara, Mountain View, Milpitas and Palo Alto. Have a clear, firm spot for the truck to dump, ideally close to the work and off any soft ground that winter rain has left wet.

Ground and Conditions in San Jose

Soils change over short distances here. Sandy ground near the shoreline drains fast, while heavy clay in the valley and hills cracks when dry and swells when wet. That clay is what makes a compacted base matter, and it is why drainage stone needs to be clean and washed.

Most rain falls from late fall to spring, much of it in a few large winter storms. On steep slopes that means hillside runoff and slides, and debris flows when intense rain hits recently burned ground. Armor those slopes and channel outlets before the storms arrive.

The dry season from late spring into fall is your main window for base, driveway and paver work. Summer fog is common near the shore, but it is winter rain and saturated clay that hold jobs up. Time your delivery to the dry stretch and compact on ground that is not soaked.

Questions San Jose Buyers Ask

What stone should I use for drainage in San Jose?

Use clean, washed stone with no fines so water moves through it. For French drains, downspout runs and drainage behind retaining walls, drain rock or 3/4" drain rock is the right choice. For heavy drainage and trench bottoms, go coarser with #4 crushed stone. For slope, bank and culvert outlet protection, riprap handles the winter runoff clay slopes send downhill.

What should I have ready when the truck arrives?

Have a clear, firm spot for the dump truck, close to where you want the material. Clear low branches and parked cars from the path in. If the ground is soft from rain, pick a drier area or wait so the truck does not sink. Know your quantity before checkout, using the calculator if you need help sizing the load.

Order Stone and Soil for Your San Jose Project

California Rock Supply delivers gravel, stone, sand, topsoil and mulch across San Jose and Santa Clara County. Choose your material, size the load by the ton or yard, and pick a delivery date at checkout. Order online and get your drainage stone and Class 2 base on site for the dry season.