in providing a personal client relationship - offering the best experience possible for each of our clients through our collaborative spirit and expertise while providing safe, precise and quality work. 

We believe

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Rely on our specialized trenching services for safely installing utilities, drainage systems, and control erosion - with minimal disruption and maximum efficiency on every project.







TRENCHING

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Ensure proper water flow and proper compaction with our professional grading solutions, delivering stable, level surfaces designed to meet any residential or commercial need.

GRADING

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Transform your property with our expert excavating services, leveraging precision and state-of-the-art equipment - Preparing sites for foundations, landscaping or any other project.

EXCAVATING

I could not be more pleased with Jory’s work. This was a big job, removing and replacing a large culvert, which required digging out and then rebuilding the road over the creek bed, replacing and filling with different sized rocks and gravel and compacting to stabilize everything. Cleaned up all the mess. It looks great. He’s pleasant to work with, he knows what he’s doing, and it felt like he could thread a needle with his excavator his work was so precise. Thank you, Jory, such a relief to have this washout solved well.

- Luana from Auburn

We had the pleasure of working with Schmidt Dirt Works LLC and they were absolutely fantastic! Jory was very professional, answered my call and was able to meet on site same day. From start to finish, the communication was seamless, and they went above and beyond to ensure everything was completed to the highest standard. It’s rare to find a company that truly delivers on quality and service, but Schmidt Dirt Works LLC exceeded all our expectations. We highly recommend them and look forward to working with them again in the future! We know they will be our go to for all excavating and trenching jobs.

- Ani from Issaquah

We highly recommend Schmidt Dirt Works for all excavation, stump removal, land clearing, and demolition needs!

Every client we've sent their way has been impressed by Jory's professionalism, top-notch service, and fair pricing. Their expertise in both residential and commercial excavation ensures quality results every time.

If you're looking for a trusted excavation contractor, Schmidt Dirt Works is the team to call! We’ll continue to rely on them for all our clients' land clearing and demolition needs.

- Pacific Arboriculture

Testimonials

When a client noticed their aging culvert collapsing, we stepped in to provide a lasting, safety-focused solution. After doing the necessary diligence to identify any utilities in the dig area, we excavated the failing structure and replaced it with a 36-inch ADS pipe. By compacting 5/8” minus gravel in six-inch lifts around the new pipe and finishing with protective quarry spalls, we ensured proper water flow and minimized erosion risks. The result is a robust culvert system that will stand the test of time and protect the client’s property.

Culvert Installation

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Grading

A client in Ravensdale, WA, needed a gentler slope suitable for planting grass after realizing the slope was causing a water drainage issue. After determining the exact grade needed, we reshaped the land by moving dirt from higher to lower elevations, compacting the soil through track-walking to stabilize the surface and minimize erosion. The result is a smoothly graded paddock, primed for grass seeding and built to stand up to the elements.

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Trenching

A recent water installation project involved running a 1” PEX line from the main meter to a standalone shop over 285 feet away.

After securing the necessary city permits and carefully trenching alongside the street without damage, the client had fully functioning water in just two days.

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Client Projects

We tackle excavation projects for clients all around South Seattle and east of Tacoma. 


 

Based Out of
Black Diamond, WA 

  • Maple Valley, WA 
  • Covington, WA
  • Enumclaw, WA
  • Auburn, WA
  • Kent, WA
  • Buckley, WA
  • Renton, WA
  • Orting, WA
  • Maple Valley, WA 
  • Covington, WA
  • Enumclaw, WA
  • Buckley, WA
  • Auburn, WA
  • Kent, WA
  • Renton, WA
  • Orting, WA

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Have a project? 

WE OFFER IN-PERSON ESTIMATES

Contact Us: 

License:  #SCHMIDW774NN

(253) 266-2200

kschmidtdirtworks@yahoo.com

and the Surrounding Areas

Serving Black Diamond

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Thank you!