Experts in Crushing, Hauling & Recycling Materials.

Turning Raw Material Into Opportunity.

Quarry-fresh aggregates, on-site recycled base, screened sands and decorative rock — each one graded, sampled and ready by the bucket, the ton or the truckload.

01

Aggregates & Base

Structural bases and drain rock — virgin, washed, recycled, crushed and river.

Virgin Baserock (AB Class 2)Delta Rock & Sand
Best for: Structural base where you need clean, certified virgin aggregate to spec.
Quarry

Virgin Baserock (AB Class 2)

Virgin baserock is the structural backbone of paved construction — a quarry-fresh Class 2 aggregate base crushed from solid stone and graded continuously from three-quarter inch down to fines. Because every particle is freshly fractured and angular, the blend keys together and compacts into a dense, rigid platform that distributes traffic loads down to the subgrade without rutting, pumping or settling. It is the same material specified beneath California highways, parking structures and building pads — certified to a minimum R-value of 78 and a sand equivalent of 22 under Caltrans Standard Specifications Section 26. When your project demands a clean, certified, load-bearing foundation engineered to perform for decades, this is the base to build on.

Gradation
¾" maximum, graded to fines
Specification
Caltrans §26 Class 2 AB
R-value
≥ 78
Sand equivalent
≥ 22
Call for pricingContractor & volume rates · (510) 565-4559
Wash BaserockDelta Rock & Sand
Best for: A cleaner, lower-dust base where washed, free-draining material is preferred.
Quarry

Wash Baserock

Wash baserock delivers the structural performance of Class 2 aggregate base with a cleaner, free-draining character. It is the same crushed base material run through a wash plant to flush out excess silt and clay fines — the result is a low-dust product on the jobsite and a more permeable platform that lets water move through rather than perch on top. It still keys together and compacts under pavement and pads, but it is the smarter specification wherever drainage, cleanliness and a tidy backfill matter as much as raw stiffness. Crews choose it under permeable pavers, behind retaining walls and as pipe and utility base where washed material is preferred or required.

Type
Washed aggregate base
Specification
Class 2 base, washed
Fines
Reduced — silt/clay rinsed out
Drainage
Good — freer than dense base
Call for pricingContractor & volume rates · (510) 565-4559
Recycled Base (Class II)Delta Rock & Sand
Best for: Cost-effective, sustainable base for most paving and pad work.
Recycled

Recycled Base (Class II)

Recycled base is reclaimed concrete and asphalt, crushed and screened back into a graded three-quarter-inch aggregate that meets Caltrans Class II strength — engineered performance at a materially lower cost. The crushing process leaves the same angular, interlocking particle shape as virgin rock, so it compacts into a hard, stable platform that carries load just like quarried base, with a mild self-cementing tendency that can stiffen it further over time. For the vast majority of driveway, lot and pad work it performs on par with new base while diverting demolition debris from the landfill — a genuine sustainability advantage that can also support green-building credits. Produced on site at our French Camp yard, supply stays steady, local and competitively priced.

Gradation
¾" maximum, graded to fines
Specification
Meets Caltrans Class II
Source
Recycled concrete & asphalt
Unit weight
≈ 1.4 tons / cu yd
Call for pricingContractor & volume rates · (510) 565-4559
Crushed Drain Rock 3/8"Delta Rock & Sand
Stone size
3/8″
Best for: Fine drainage and pipe bedding where bigger rock will not fit.
Drainage

Crushed Drain Rock 3/8"

Crushed drain rock three-eighths inch is the fine end of the drainage family — roughly pea-sized angular stone, washed clean of fines so water runs straight through the voids instead of clogging. Its small size is the whole advantage: it beds neatly around pipe, packs into narrow trenches and tight spaces, and leaves a more uniform, walkable surface than larger rock while still draining freely. Reach for it wherever the bigger sizes simply will not fit or sit right — fine pipe bedding, slim trench drains, the drainage layer beneath pavers, and planter and pot drainage. It is the precise, close-tolerance choice in our three-size drain-rock lineup of three-eighths, three-quarter and one-and-a-half inch.

Type
Crushed drain rock
Size
3/8" (pea-sized) — smallest
Shape
Angular, washed
Drainage
Excellent
Call for pricingContractor & volume rates · (510) 565-4559
Crushed Drain Rock 3/4"Delta Rock & Sand
Stone size
3/4″
Best for: The go-to size for most French drains and wall backfill.
Drainage

Crushed Drain Rock 3/4"

Crushed drain rock three-quarter inch is the industry-standard size for drainage — big enough to create large, free-flowing voids that move water fast, small enough to place easily and stay where you put it. Angular and washed clean of fines, it resists the silting-up that chokes drainage over time, which is exactly why it is the default specification for French drains, footing and foundation drains, and the gravel envelope behind retaining walls. Pair it with perforated pipe and filter fabric for a classic French drain, or use it on its own as wall backfill to relieve hydrostatic pressure and keep water off your structure. When you are not sure which size to order, this is the one — the proven workhorse of the drain-rock family.

Type
Crushed drain rock
Size
3/4" — standard / mid-size
Shape
Angular, washed
Drainage
Excellent
Call for pricingContractor & volume rates · (510) 565-4559
Crushed Drain Rock 1½"Delta Rock & Sand
Stone size
1½″
Best for: Heavy water flow and deep drainage where you need big voids.
Drainage

Crushed Drain Rock 1½"

Crushed drain rock one-and-a-half inch is the heavy-duty end of the drainage family, where capacity and stabilization are the goal. The larger stone creates larger voids and far greater water-carrying capacity, and it bridges and locks over soft, saturated ground to form a firm working platform where smaller rock — and equipment — would sink. Crews specify it for high-volume and deep-trench drainage, drywells and infiltration pits, erosion and scour control, and construction-entrance and mud-control pads. Too coarse for fine pipe bedding but unmatched where you need to move serious water or stabilize wet subgrade, it is the largest of our three drain-rock sizes.

Type
Crushed drain rock
Size
1½" — largest
Shape
Angular, washed
Drainage
Excellent — high volume
Call for pricingContractor & volume rates · (510) 565-4559
River Drain Rock 3/4"Delta Rock & Sand
Stone size
3/4″
Best for: Drainage you can see — decorative and free-flowing.
Drainage

River Drain Rock 3/4"

River drain rock three-quarter inch is naturally rounded, water-worn stone in the same practical size as our standard crushed drain rock — so it carries water just as well, but looks finished doing it. Where crushed rock is angular and utilitarian, river rock is smooth and decorative, making it the right choice anywhere the drainage will actually be seen: the visible top course of a French drain, a dry creek bed, a swale or a tidy stone border. It reads softer underfoot and in the hand, with no sharp fractured edges, so it doubles beautifully as a decorative ground cover that still drains. Use it on its own for looks and function, or as the exposed cap that hides a hard-working drain below.

Type
River (rounded) drain rock
Size
3/4"
Shape
Smooth, rounded, water-worn
Drainage
Excellent — decorative
Call for pricingContractor & volume rates · (510) 565-4559
River Drain Rock 1½"Delta Rock & Sand
Stone size
1½″
Best for: Bigger decorative drainage and dry creek beds.
Drainage

River Drain Rock 1½"

River drain rock one-and-a-half inch brings the same smooth, naturally rounded character as our three-quarter-inch river rock in a bolder, higher-flow size. The larger stone moves more water and makes a stronger visual statement — ideal for the main channel of a dry creek bed, around water features and pond edges, and for larger borders and beds where small rock would look busy or wash away. The generous voids between rounded stones drain freely, so it performs as decorative drainage that also holds its ground on slopes and in heavier flows. Combine it with the three-quarter-inch river rock for a natural, graded creek-bed look — larger stone in the channel, smaller along the edges.

Type
River (rounded) drain rock
Size
1½"
Shape
Smooth, rounded, water-worn
Drainage
Excellent — high flow
Call for pricingContractor & volume rates · (510) 565-4559
02

Asphalt Products

Hot-mix, cold-patch, liquid and reclaimed asphalt for paving and repairs.

Hot Mix AsphaltDelta Rock & Sand
Best for: New paving and overlays that need a long-lasting finished surface.
Hot Mix

Hot Mix Asphalt

Hot mix asphalt is precision-blended aggregate bound with asphalt cement and produced hot, so it can be laid, screeded and rolled into the smooth, dense, waterproof wearing course drivers actually see and feel. Placed over a properly compacted aggregate base, it delivers a quiet, flexible, long-life surface engineered to carry traffic for years before it needs attention. Because it is temperature-sensitive it has a working window — it must be placed and compacted while still hot — which is why timing and a prepared base are essential to a lasting result. It is the right specification for new roads, parking lots, driveways and overlays where you need a true finished surface rather than a patch or a gravel layer.

Type
Hot mix asphalt (HMA)
Layer
Wearing / surface course
Finish
Smooth, dense, waterproof
Placed over
Compacted aggregate base
Call for pricingContractor & volume rates · (510) 565-4559
Cold Asphalt (Cold Patch)Delta Rock & Sand
Best for: Fast pothole and patch repairs, any season, no equipment.
Repair

Cold Asphalt (Cold Patch)

Cold asphalt is a ready-to-use repair mix pre-coated with a binder that stays workable at ambient temperature — no hot plant, no mixing, no tack coat and no waiting. Shovel it into the hole slightly proud of the surface, tamp or drive over it to compact, and the patch is immediately ready for traffic, tightening further over the following days. Because it goes down in cold and even wet conditions, it is the material crews keep on hand for year-round maintenance: potholes, utility and trench cuts, edge breaks and emergency fixes that cannot wait for a paving window. Sold by the ton for larger maintenance programs or by the bag for spot repairs, it is the fastest, simplest way to put a road or lot back in service.

Type
Cold mix asphalt
Application
Year-round, any weather
Prep
No heating or mixing
Cure
Traffic-ready immediately
Call for pricingContractor & volume rates · (510) 565-4559
Grinding Asphalt (RAP Millings)Delta Rock & Sand
Best for: Budget-friendly, durable driveways and shoulders that firm up with use.
Recycled

Grinding Asphalt (RAP Millings)

Grinding asphalt — reclaimed asphalt pavement, or RAP — is existing roadway milled off and crushed back into a workable, one-hundred-percent recycled aggregate. What sets it apart is the residual asphalt cement still coating every particle: under summer heat and traffic those oils reactivate and the material knits back together, a solar self-healing effect that firms a loose spread into a hard, blacktop-like surface with no new binder and no paving crew. Laid in three-to-six-inch lifts and compacted, it forms a durable, low-maintenance, weed-resistant surface that sheds water and improves with use. It is the budget-smart choice for driveways, ranch and rural roads, parking areas and shoulders — the greenest and most economical hard surface in the yard.

Material
Reclaimed asphalt pavement (RAP)
Behavior
Re-binds / self-heals in sun
Install depth
3–6" lifts, compacted
Source
100% recycled
Call for pricingContractor & volume rates · (510) 565-4559
03

Sand & Soil

Utility, leveling and all-purpose sands, plus fill dirt.

04

Decorative Rock

River rock and landscaping stone for finished, attractive surfaces.

River RockDecorative
River Rock detail
River Rock detail
Decorative

River Rock

River rock is water-worn natural stone prized for its smooth shape and warm, multi-tone color — a permanent landscape finish that does what bark and mulch cannot. It never decomposes, blows away or needs replacing each season, so it delivers true low-maintenance curb appeal, and spread over weed fabric it suppresses weeds, holds soil moisture and gives beds a clean, naturalistic look. Use it for dry creek beds, ground cover and mulch replacement, tree rings, borders and decorative accents around features and hardscape, where its rounded form also pulls double duty in visible drainage. As a durable, fire-wise alternative to organic mulch around structures, it is landscaping you install once and enjoy for years.

Shape
Smooth, rounded, water-worn
Look
Natural, multi-tone
Use
Decorative landscape finish
Maintenance
Very low — does not decompose
Call for pricingContractor & volume rates · (510) 565-4559
Landscaping RockDecorative
Landscaping Rock detail
Landscaping Rock detail
Decorative

Landscaping Rock

Landscaping rock is our decorative stone for the finished, planted parts of a project — the color and texture you see in well-kept beds, borders and feature areas. Laid over landscape fabric it earns its keep: it suppresses weeds, slows evaporation so soil stays moist longer, resists wind and washout, and never needs the yearly top-up that bark mulch demands. The result is clean, lasting curb appeal with almost no upkeep — and because it does not burn, it is a smart fire-wise choice in the band right around a home. Use it to mulch beds, define borders, build rock gardens and xeriscapes, and accent dry landscapes, with color and size options to match your design.

Look
Decorative, mixed natural tone
Use
Beds, borders & accents
Maintenance
Low — no annual replacement
Benefits
Weed suppression, moisture retention
Call for pricingContractor & volume rates · (510) 565-4559