Ron S.
6 months ago
Verified
Quick response and accurate estimate and fast delivery with great people
January 20, 2026
Sold by the yard
C33 Sand
C33 sand is a clean, fine concrete and masonry sand meeting the ASTM C33 fine-aggregate gradation. It's a washed, well-graded sand — mostly true sand grains with a light scatter of fine specks — in a multicolor speckle of gray, tan, white, and black that reads brown when damp. It's the standard sand for mixing concrete and mortar, and it also works as a bedding and leveling sand under pavers and pipe. Hello Gravel delivers it in bulk across the Amherst–Northampton area.
4.8· 1,569 verified reviews9,204 deliveries · 50 states
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Product Specifications
- Material
- Washed concrete/masonry sand (ASTM C33)
- Size
- Fine aggregate (sand)
- Shape
- Granular
- Color
- Multicolor speckle (gray, tan, white, black); brown when damp
- Sold By
- cubic yard
- Delivery
- Bulk delivery in the Amherst–Northampton area
Best For
Concrete mixingMortarPaver beddingPipe bedding
Hello Gravel Guarantee
Right material. Safe delivery. Real help if we miss.
How it works
- We fix what we control. Wrong material, confirmed fulfillment errors, or orders we cannot complete are reviewed for replacement, refund, or another fair resolution.
- Safe delivery comes first. The driver chooses the final safe dump location on site. If your requested spot is not safely reachable, we deliver to the closest safe location available.
- Plans change. You can cancel free up to one full business day before delivery. Next-business-day orders cannot be cancelled once confirmed.
- Natural material varies. Color, texture, moisture, dust, and sizing can vary by quarry, supplier, season, and region.
“We chose a delivery date. The driver dropped it exactly where I asked. I had never ordered gravel in my life.”
Why Choose This Product
Concrete & Mortar Grade
A fine, washed sand meeting the ASTM C33 gradation.
Clean & Consistent
Well-graded and washed for reliable mixes and bedding.
Amherst–Northampton Delivery
Delivered in bulk across the service area.
How Delivery Works
1
Browse Products
Explore our range of gravel, stone, and landscaping materials.
2
Calculate Amount
Use our calculator to find exactly how much you need.
3
Schedule Delivery
Pick a delivery date that works for your project timeline.
4
Delivered to Your Door
We deliver right to your driveway or job site.
Material calculator
Estimate how much c33 sand you need
Tell us the area and depth, and we'll work out the tons plus your delivered price.
Area shape
Dimensions
Depth
Your estimate
Enter your area to see the math
Pick a material, shape and dimensions and we'll calculate the tons you need plus your delivered price.
What customers say
4.92(192 reviews)
What customers say
Customers praise Hello Gravel's smooth ordering process and helpful staff, though delivery reliability and accurate quantity concerns need addressing.
Most mentioned
Easy ordering processHelpful customer serviceDelivery timing issues
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Michael o.
6 months ago
Verified
great communication,
January 20, 2026
Greg H.
6 months ago
Verified
Great experience! The delivery was quick and the driver took extra time to make sure I was happy. I haven’t mentioned that the rock I ordered was clean and exactly what I wanted. Great product and Great service!
January 16, 2026
Daniel Z.
6 months ago
Verified
Exactly what I ordered and friendly timely delivery
January 16, 2026
Theresa G.
6 months ago
Verified
The whole experience with Hello Gravel was quick and easy. They delivered promptly and followed my directions. Communication was great. The gravel was good quality and looks good. I highly recommend this company!
January 16, 2026
Christopher H.
6 months ago
Verified
Thanks for the help
January 16, 2026
Frequently Asked Questions
Use the calculator with your area and depth. Coverage depends on the application and depth you choose.
Delivered in bulk in the Amherst–Northampton service area. Choose an accessible, level drop spot clear of obstructions.
It's the standard fine aggregate for concrete and mortar mixes, and it also serves as a bedding and leveling sand under pavers and pipe.
C33 is a finer, cleaner concrete/masonry sand; Title V is a coarser, grittier sand meant for septic system use.
Bulk stone, sand, and soil are not returnable once delivered. Use the calculator and round up slightly if you're close.
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