About
Winkelman Site Work, LLC is a professional excavation and septic company specializing in residential site preparation, lot development, and utility installation. From land clearing and grading to septic system installation, sewer tie-ins, and foundation excavation, we deliver complete, high-quality site work services throughout Thurston County, Mason County, Pierce County, Lewis County, and Grays Harbor County.
We’re known for being on time, on budget, and easy to work with, providing homeowners and builders with reliable excavation, grading, drainage, and septic solutions.
✅ Residential Lot Development
✅ Septic Installation & Repair
✅ Sewer Installation & Repair
✅ Driveways, and Precision Grading
✅ Underground Utilities
Contact us
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–5 PM |
| Sunday | 8 AM–1 PM |
Posts
Reviews
5 out of 5
(14 reviews)
5
5
4
3
2
1
Adam Broomfield
4 months ago
Had Zach do sitework for a new house, including a complicated multi-property sewer line with tie-in to city main. Also excavation and site prep for a foundation, and perimeter drains with an infiltration well. Zach was knowledgeable, efficient, and got the work done on time and on budget. He is personable and easy to work with. I'll definitely hire him for future projects.
Trosper Storage
4 years ago
Right after Dec 2021's snowmaggedon, we reached out to about 4-5 companies for snow removal. No one returned our calls except Zach with Winkelman Site Work, LLC. Zach was able to assist with same-day snow removal and he was reasonably priced. I appreciated that Zach was courteous throughout the process, he kept our appointment time and he completed the job in record time. As you can see from the photos I shared, he really does an excellent job. Thank you, Zach!
About
Winkelman Site Work, LLC is a professional excavation and septic company specializing in residential site preparation, lot development, and utility installation. From land clearing and grading to septic system installation, sewer tie-ins, and foundation excavation, we deliver complete, high-quality site work services throughout Thurston County, Mason County, Pierce County, Lewis County, and Grays Harbor County.
We’re known for being on time, on budget, and easy to work with, providing homeowners and builders with reliable excavation, grading, drainage, and septic solutions.
✅ Residential Lot Development
✅ Septic Installation & Repair
✅ Sewer Installation & Repair
✅ Driveways, and Precision Grading
✅ Underground Utilities
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–5 PM |
| Sunday | 8 AM–1 PM |
Contact us
Posts
Reviews
5 out of 5
(14 reviews)
5
5
4
3
2
1
Adam Broomfield
4 months ago
Had Zach do sitework for a new house, including a complicated multi-property sewer line with tie-in to city main. Also excavation and site prep for a foundation, and perimeter drains with an infiltration well. Zach was knowledgeable, efficient, and got the work done on time and on budget. He is personable and easy to work with. I'll definitely hire him for future projects.
Trosper Storage
4 years ago
Right after Dec 2021's snowmaggedon, we reached out to about 4-5 companies for snow removal. No one returned our calls except Zach with Winkelman Site Work, LLC. Zach was able to assist with same-day snow removal and he was reasonably priced. I appreciated that Zach was courteous throughout the process, he kept our appointment time and he completed the job in record time. As you can see from the photos I shared, he really does an excellent job. Thank you, Zach!
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