Description: Tri State Materials Rock Stone Boulders Sand DG Flagstone. Tri State Materials offers the best looking rock and gravel around. They carry Decomposed Granite, Flagstone, Slate, Boulders, Cobble, Sand, Dirt, Mulch and Soils.
construction (16500) sand (1213) boulder (864) mulch (687) rocks (397) dg (102) cobble (19) decomposed granite (11) tri state materials rock stone boulders sand dg flagstone (1) tri state materials (1)
Welcome To Tri State Materials
Tri-statematerials.com is the on-line home of Tri-State Materials, located near Diamond Valley Lake, in Winchester California. Tri-State Materials offers a large selection of products ranging from decomposed granites, cobbles, and boulders, to flagstones and other exotic specimens. You can check out several of our products on our product page. Just click on them and learn more about each type of material.