How do I figure out how much material I need?

You can use our online material calculator or measure the area using length × width × depth. We’re happy to assist with estimates if you provide project details.

How much area will a cubic yard or ton cover?

On average, 1 cubic yard of gravel covers about 150 square feet at 2 inches deep. A ton typically covers around 115 square feet at the same depth, depending on the material.

How much does a cubic yard or ton weigh?

Weights vary by material. A cubic yard of gravel or sand weighs 2,500 to 3,000 lbs, while lighter materials like mulch weigh between 500 and 800 lbs per yard.

How is delivery cost calculated?

Delivery cost is based on distance, truck size, and load weight. We calculate round-trip drive time from the supplier to your location. Each delivery includes a time-stamped ticket for transparency.

NORTH BAY MATERIALS

Bulk Landscape Materials Supply

Serving: Marin | Sonoma | Napa | Solano

OUR SERVICES

At North Bay Materials Delivery Services, we specialize in convenient, local delivery of high-quality bulk landscape supply materials—delivered directly to your home or job site throughout San Rafael, Mill Valley, Tiburon, Novato, Petaluma, Sonoma, Santa Rosa, Napa, St Helena, Vallejo, Benicia, Vacaville and surrounding areas. We focus exclusively on small-load dump truck deliveries, ideal for residential and light commercial landscaping projects that don’t require a full semi-truck or transfer load. Our streamlined process saves you time, hassle, and multiple trips to the yard.

What We Deliver

We offer a curated selection of essential landscaping and construction materials, including:

Gravel, Crushed Rock, Stone Pebbles: For driveways, drainage, base rock, and decorative use
Sand Products: Including fill sand, PG&E utility sand, and paver base sand
Mulch & Bark: For moisture retention, weed suppression, and landscaping aesthetics
Soils & Fertilizers: Topsoil, garden mix, and organic compost for healthy planting
Base Materials: Road base, class II permeable and other foundational aggregates

Who We Serve

Our delivery services are tailored to meet the needs of:

Homeowners tackling DIY landscape upgrades
Contractors and builders working on small-to-medium-sized projects
Landscapers needing fast and reliable jobsite delivery
Architects and designers sourcing specific materials by texture, size, or color
Wineries, Ranches looking for decorative rocks and pebbles
Plumbers and Electricians looking for trench sand or crushed rock

Small Truck Advantage

Our dump trucks are sized for tight access, making them perfect for residential

neighborhoods, narrow roads, and urban job sites.

We can deliver up to:

5 - 7 cubic yards of gravel, rock, or sand
8 - 10 cubic yards of soil blends or compost
10 -12 cubic yards of Woodchips, mulch or bark
Request Quote

Harvest Blend gravel 3/8 inch laid in a driveway at Napa house

Shop Bulk Landscape Materials

OUR PRODUCTS

RIVER-ROCK | PEA GRAVEL

CONSTRUCTION AGGREGATE

Customer Reviews

Healdsburg, Sonoma

"Couldn't locate half inch gold gravel in the area so contacted North Bay Materials and they were very easy to work with finding my gravel."

Tammy B.

Mill Valley, Marin

"Ordered a large truck load of gravel from them and came out very dirty but the guy on the phone said it was the norm in this type of business. After washing it down it looks good."

Jessica M.

St Helena, Napa

"I was hesitant to order rocks online at first but couldn't find it at local rock yards. North Bay Materials not only located the rocks but delivered all 86 yards within two days to our Winery"

Victor H.

Frequently Asked Questions

"How big is a cubic yard or a ton?"

A cubic yard of volume is 3'x3x3' = 27 cubic feet. A ton measures weight not volume, and depending on the material, a ton of gravel usually equals about ¾ of a cubic yard.

"How much area will a ton or a cubic yard cover?"

It depends on the material and depth, but on average, 1 cubic yard of gravel covers about 150 sq ft at 2 inches deep. A ton covers of gravel covers around 115 at 2 inches.

"How much does a ton or a cubic yard weigh?"

Weight varies by material. For example, 1 cubic yard of gravel or sand typically weighs 2,500 to 3,000 lbs (about 1.25 to 1.5 tons). Lighter materials like mulch weigh around 500–800 lbs per cubic yard.

"How many tons are in a cubic yard?"

It depends on the material. Heavy materials like gravel or sand usually have about 1.3 to 1.5 tons per cubic yard. Lighter materials like bark or mulch may be less than half a ton per yard.

"How do I figure how much material I need?"

Use our material calculator or measure your area’s length × width × depth. We’re happy to help you estimate—just give us your project details.

"Where do you dump the material?"

We dump in your driveway or a flat, safe & accessible area. Let us know ahead of time if you have a preferred spot—our driver will do their best to accommodate.

"What if I have too much or not enough material?"

If you have too much, you can spread it out for extra coverage or share it with neighbors. If you’re short, give us a call—we may be able to arrange a same-day or next-day delivery.

"Why does the material look different in person then website?"

Colors, textures or size can vary by load due to moisture, lighting, dust, source and natural variation. We do our best to show accurate photos, but materials look different mainly due to natural variation, lighting, device settings.

"How do I verify that the delivered amount is correct?"

Materials are loaded by certified scales and loader buckets at the quarries. (weights and measures state department.) The delivery ticket shows the loading time, quantity, and unit of measure.

"How's delivery calculated?"

Delivery is based on travel time, truck size, and load weight. We calculate the round-trip time from the material source to your location to determine cost. Delivery tickets list loading and delivery times for transparency.

"Why is gravel so expensive?"

Gravel mining involves heavy machinery, high fuel use, skilled labor, certified drivers & equipment operators. Add in strict regulations and long-distance trucking—these are the main cost drivers in the aggregate industry.