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Heidelberg network

Supplier · Washington

High Rock Aggregates

Monroe, Washington · 19221 High Rock Road, Monroe, WA 98272 · 98272

Call the supplier directly

(206) 713-7726

About High Rock Aggregates

High Rock Aggregates is one of 32 confirmed sand and gravel suppliers in Hello Gravel's Washington network. Operated under license from Heidelberg, the Monroe location supplies construction materials — including aggregate, sand, and gravel — to residential and commercial customers across the region.

Materials available include High Rock Aggregates - 1 1/2" Washed Gravel, High Rock Aggregates - 1 1/4" - Commercial Crusher Run, High Rock Aggregates - 1 1/4" Minus (CSBC), plus 18 additional aggregate products. Pricing is per ton and varies by product grade and delivery distance.

Hello Gravel can confirm current availability and match your project to the right material grade before you call. Use the phone number above to reach the supplier directly.

Contact & location

Phone · supplier direct

(206) 713-7726

Hours

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Materials stocked

MaterialBest forPrice
High Rock Aggregates - 1 1/2" Washed GravelDriveways, drainagePer ton · 34
High Rock Aggregates - 1 1/4" - Commercial Crusher RunLandscape, drainagePer ton · 17.75
High Rock Aggregates - 1 1/4" Minus (CSBC)Landscape, drainagePer ton · 27.75
High Rock Aggregates - 1 1/4" X 5/8" Clear CrushedLandscape, drainagePer ton · 34.25
High Rock Aggregates - 1 Man Rock/BouldersLandscape, drainagePer ton · 63.5
High Rock Aggregates - 2-4 Man Rock/BouldersLandscape, drainagePer ton · 52.5
High Rock Aggregates - 2" Clear CrushedLandscape, drainagePer ton · 27.5
High Rock Aggregates - 2" X 4" Quarry SpallsLandscape, drainagePer ton · 27.75
High Rock Aggregates - 3/4" Washed GravelDriveways, drainagePer ton · 34
High Rock Aggregates - 3/8" Minus (G Rock)Landscape, drainagePer ton · 28
High Rock Aggregates - 4" X 8" Quarry SpallsLandscape, drainagePer ton · 27.5
High Rock Aggregates - 5/8" Clear CrushedLandscape, drainagePer ton · 34.75
High Rock Aggregates - 5/8" Minus (CSTC)Landscape, drainagePer ton · 28
High Rock Aggregates - GranulithicLandscape, drainagePer ton · 28
High Rock Aggregates - Gravel BorrowDriveways, drainagePer ton · 18.75
High Rock Aggregates - Heavy Loose Rip RapLandscape, drainagePer ton · 44.5
High Rock Aggregates - Light Loose Rip RapLandscape, drainagePer ton · 44.5
High Rock Aggregates - Oversized Unwashed CobbleLandscape, drainagePer ton · 26.5
High Rock Aggregates - Premium Mixed Rockery LoadLandscape, drainagePer ton · 99
High Rock Aggregates - Utility SandGeneral constructionPer ton · 22.5
High Rock Aggregates - Washed Pea GravelWalkways, patios, infillPer ton · 36

A real person checked everything you see here.

  • Phone number live & answered
  • Physical address confirmed
  • Materials list current
  • Parent brand: Heidelberg