Western Materials is your trusted source for sand and gravel in Ontario, CA, offering high-quality aggregates for construction, landscaping, sports fields, and public works projects. With decades of experience across Southern California, we are recognized for reliable delivery, competitive pricing, and exceptional customer service. Whether you are a contractor, developer, or homeowner, our Ontario team ensures you receive the right materials on schedule, every time.

Ontario, located in the Inland Empire, is a hub of growing communities and thriving neighborhoods. Western Materials proudly serves not only Ontario but also surrounding areas including Upland, Rancho Cucamonga, Chino, Montclair, and Fontana.

Sand and Gravel for Construction in Ontario

We provide a wide range of sand and gravel products suitable for residential, commercial, and municipal projects. Popular aggregates include:

• Horse Arena Sand
• Softball & Baseball Infield Sand/Mix/Dirt
• Decomposed Granite (DG)
• Golf Course Sand

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Sand Materials

Top-tier sand stands as a testament to its superior quality. With a consistently fine and pleasing texture, it exhibits a natural color palette that echoes the beauty of American landscapes.

Sieve Analysis (ASTM C-136)

Sand Equivalent (CTM – 217)

Cleanness Value (Caltest 227)

Gravity (ASTM C-127/C-128)

Mortar Strength (Caltest 515)

R-Value (CTM 301F)

Premium Sand Materials in Ontario, CA

Baseball & Softball Field Sand – Blended for consistent field performance.

Equestrian & Arena Sand – Clean, durable sand for stables and arenas.

Volleyball Court Sand – Soft, high-performance sand for parks and schools.

Golf Bunker Sand – Preferred by local golf courses for bunker consistency.

Decomposed Granite (DG) – Available in multiple colors and sizes for landscaping, pathways, and stabilized DG options.

Other Sand Products We Provide
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• Playground Sand
• Bank Sand
• Red Trap Sand
• White Marble Sand
• Gas Sand (utility trench)
• Racetrack Blend Sand
• Trench Backfill Sand
• Washed Concrete Sand
• Washed Plaster Sand
• Dry Plaster Sand
• Dry Screened Sand
• Screened Fill Dirt
• River Rock

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Crushed Rock & Gravel in Ontario

We supply crushed rock and gravel that meet ASTM, Caltrans, and Greenbook standards — perfect for construction, landscaping, and infrastructure projects throughout Ontario and nearby areas.

Available Crushed Rock & Gravel Materials:

• ¾″ Gravel (#3 Gravel): Driveways and drainage
• ¾″ Crushed Rock: Base for concrete and asphalt
• ½″ Gravel: Decorative and versatile
• ⅜″ Pea Gravel (#4 Gravel): Pathways, playgrounds, and bedding
• ⅜″ Crushed Rock: Paver bases and compactable fill
• ¼″ Gravel (#5 Gravel): Fine gravel for landscaping blends
• 1½″ Gravel (#2 Gravel): Drainage and erosion control
• ½″ Crushed Rock: Multi-purpose construction rock

Cobbles & Rip Rap

For erosion control, slope protection, and landscaping, we offer durable cobbles and rip rap in a range of sizes.

Available Cobbles & Rip Rap Near Ontario:

• 4″–8″ Cobble
• 8″-12″ Cobble
• 12″-24″ Cobble
• 2″-4″ Cobble
• 3″-5″ Cobble
• 3″ Minus
• 6″ Rock
• 9″ Rock
• 12″ Rock
• 1/4 Ton (18” Rock)
• 1/2 Ton (24” Rock)
• 1 Ton (30” Rock)
• 2 Ton (36” Rock)
• Decorative Cobble – Ideal for landscaping and water features

Your Reliable Supplier for Sand & Gravel in Ontario

At Western Materials, we take pride in delivering premium-quality sand and gravel in Ontario, CA. Our dependable delivery, knowledgeable team, and competitive pricing make us the preferred choice for contractors, landscapers, and homeowners in the Inland Empire.

Contact Us – Sand and Gravel Ontario

Looking for trusted sand and gravel in Ontario? Contact Western Materials today for a free estimate. We’ll deliver the right aggregates to your project on time, every time.

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