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Diamond K is the spoT
Moss rocks for hardscape designing
My 4 cubic yard of rocks dropped off onto my driveway
Pallets of Moss rocks, medium size
Diamond K Supply Building Materials & Supply

Specializing in: - Topsoil - Firewood - Rock Equipment & Supplies

Website: diamondk.com

Phone: (925) 284-4478

Open now

  • Thu 7:00 AM - 3:30 PM

3671 Mt Diablo Blvd Lafayette, CA 94549 ·2327.54 mi

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Reviews

yelp
3.5 48 reviews
5 star
25 4 star
4 3 star
4 2 star
3 1 star
12
Karen K. 11/03/26

Wonderful, courteous service and a great selection of products for my landscaping needs!

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Marlon T. 11/13/24

Diamond K Supply is a well run landscape and materials supplier for your home projects and beyond. I recently purchased some rocks here to finish a backyard project. They had several...

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William R. 05/29/26

I ordered gravel to fill an area for drainage, intentionally buying extra to account for compaction with a hand tamper. However, as I filled the space, I realized I was running out of gravel and...

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John M. 07/22/25

Friendly, informative, and always deliver what I expect. Been coming back for years to get materials. For the types of projects I've been working on, they've had most of what I've needed/expected...

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Joan S. 06/06/25

I ordered 2 pallets of moss rock--with delivery to a small private lane. The poor driver had to back up the big flatbed truck with the forklift attached at the back--down the lane. Then Efron,...

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