Mines and quarries in Skagit County, WA
14 mines not abandoned in Skagit County, WA, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Beaver Lake Quarry Beaver Lake Quarry, Inc. | 4503347 | Stone | Oct 1, 2016 |
| Belleville Miles Sand & Gravel Company | 4503633 | Sand and gravel | Apr 27, 2020 |
| Big Lake Pit Skagit Aggregates, LLC | 4503831 | Sand and gravel | Jan 1, 2026 |
| Big Rock Pit Skagit Aggregates, LLC | 4503199 | Sand and gravel | Jun 30, 2025 |
| Birdsview Pit Skagit Aggregates LLC | 4503817 | Sand and gravel | Feb 21, 2023 |
| Conway Pit Granite Construction Company | 4503701 | Sand and gravel | Jun 16, 2025 |
| Day Creek Pit Skagit Aggregates LLC | 4503509 | Sand and gravel | Jun 1, 2025 |
| Elwha Gravel Pit Interwest Construction Inc. | 4503770 | Sand and gravel | Feb 21, 2023 |
| Hamilton Skagit Aggregates LLC | 4503750 | Stone | Apr 18, 2022 |
| Hamilton Pit Miles Sand & Gravel Company | 4503782 | Sand and gravel | Apr 18, 2022 |
| Nielsen Brothers Inc | 4503678 | Sand and gravel | Jun 28, 2024 |
| Pacific Quarry Martin Marietta Materials | 4500844 | Stone | May 27, 2020 |
| Portable Crush Plant Skagit Aggregates LLC | 4503839 | Sand and gravel | Apr 23, 2023 |
| Rockport Pit Skagit Aggregates, LLC | 4503540 | Sand and gravel | Jan 8, 2026 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.