Cobble, Stone and Soil Delivery in Arnold, CA

California Rock Supply handles gravel and aggregate delivery in Arnold, CA, and Class 2 base is where most jobs here start. It is the standard California base material, specified by Caltrans as Class 2 aggregate base, and it goes under driveways, parking pads and the compacted layer beneath pavers and slabs.

Arnold sits in Calaveras County, in the Sierra Nevada, where winter storms and snowmelt move water fast across slopes and thin, rocky ground. That shapes which stone you order.

Materials for Arnold Projects

Winter runoff is the driver on most Arnold sites. Water comes off rock and thin soil on slopes, then collects where a drive or pad cuts across it. Coarse, clean stone handles that work, and the list below runs from the heaviest sizes down to the fines.

RipRap is the erosion material for this ground. Caltrans calls placed rock on slopes rock slope protection, and it is what you set at a creek bank, a culvert outlet or a steep cut where runoff leaves the property. Large river rock works the same way in dry creek beds and swales, slowing water instead of letting it cut.

Below the armor, 3/4" Drain Rock and #4 Crushed Stone keep water moving. Both are clean stone with no fines, so a french drain or a drainage layer behind a retaining wall actually drains. Drain Rock covers drywells and downspout runs.

For the compacted base, ask for Class 2 base, also called Class II base rock or CMB. Class 2 Base made from Road Base or asphalt is allowed in aggregate base as processed reclaimed material and does the same job. Crusher Run is the alternative when you want a binding, compacting mix.

On top, Driveway Gravel surfaces an existing drive over compacted base. Stone Screenings, or DG, gives paths and patios a firm, fine surface, and Walkway Gravel suits garden paths.

Delivery to Arnold and the Surrounding Area

You order online, choose your quantity by the ton or by the yard, and pick a delivery date at checkout. The calculator sizes the load if you are unsure how much you need. A dump truck then delivers to your site.

Coverage runs across Calaveras County, including Copperopolis, Valley Springs, San Andreas, Murphys and Mokelumne Hill, along with Arnold itself.

Plan the drop spot before the truck arrives. Bulk loads need firm, dry, reachable ground, and an unpaved drive stays soft after the spring thaw. Point out any overhead wires, low branches or soft edges when you choose where the pile goes.

Ground and Conditions in Arnold

The working window here runs late spring to fall. Snow and frozen or saturated ground stop most base and excavation work in winter, and the spring thaw can leave unpaved ground soft for a while.

Soils are mostly thin and rocky, coarse and sandy where granite has weathered. That means less than you expect holds a compacted layer, and a thicker, well-graded Class 2 base is often what a drive or pad needs here.

Freeze-thaw is a real design factor at this elevation. Freezing nights are routine through winter, and frost depth is set by the local building department. Drainage is the other half: melting snow keeps ground wet into spring, so clean stone under and behind structures matters as much as the base itself.

Order Stone and Soil for Your Arnold Project

California Rock Supply delivers bulk gravel, stone, sand and topsoil across Arnold and Calaveras County. Pick your material, size the load with the calculator, and choose a delivery date at checkout. Order online when you are ready.