HEIDELBERG MATERIALS HIGH ROCK QUARRY
ABOUT
Heidelberg Materials High Rock Quarry, located in Snohomish County, WA, supplies high-quality crushed traprock, construction sand, and gravel for diverse applications. Conveniently situated near Monroe, WA, with direct access from SR 203, this surface mine operated by HM Pacific Northwest, Inc. (a Heidelberg Materials AG company) offers reliable supply and consistent material quality backed by a skilled workforce of 32 employees.
MATERIALS PRODUCED
COMPANY INFORMATION
Operator
HM Pacific Northwest, Inc.
Parent Company
Heidelberg Materials AG
Company Type
Corporation
DIRECTIONS
30
CONTACT
Contact information not available for unclaimed listings.
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Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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