Services
Technical Competence. Master Craftsmanship.
From complex civil installations to residential site enhancements, we deliver excavation services that raise the industry standard.
Civil & Municipal Underground Services
With deep fluency in municipal-grade infrastructure, Tethered Earthworks provides high-precision installation and repair for critical underground utilities.
Water, sewer, and storm main hookups
Gas, phone, and communication conduit layouts
Trenching, backfilling, and structural compaction
Commercial Partnership Ready: We deliver the exacting standards required by premier building companies like Lacasse Construction and Hamilton Bros.
Groundwater Drainage & Remediation Solutions
Water management is critical in the Pacific Northwest. We specialize in diagnosing and solving complex water issues before they threaten your structure.
Custom foundation drainage and curtain drains
Advanced groundwater diversion systems
Wetland & Stream Remediation: Highly technical, low-impact excavation in environmentally sensitive zones to restore natural flow and prevent erosion.
Rock Walls & Structural Retaining Systems
Melding structural integrity with natural aesthetics, we design and construct retaining walls that secure steep slopes and optimize usable land.
Heavy rock wall design and construction
Steep terrain stabilization
Technical slope tiering and site grading
Commercial & Residential Site Prep
A productive building project starts with a pristine excavation site. We prep your land so your building team can hit the ground running.
Foundation and basement excavation
Meticulous site clearing and debris removal (leaving zero tripping hazards)
Driveway upgrades: Fresh gravel caps, re-grading, and upgraded ditching
Underground sprinkler system infrastructure & layout
Custom Landscape Earthworks
Every great landscape starts with a solid foundation. We prepare and shape your property to bring your outdoor vision to life.
What Our Customers Are Saying:
Don't just take our word for it, see what our customers have to say.
"I absolutely loved working with Mark at Teathered Earthworks. He has a great eye for detail, honest & works hard, showed up ea day with positive attitude, great communication working alongside me to guide what the vision for my yard was , reasonable prices , always made sure the site was tidy and safe at each days end which is always appreciated. I would highly recommend Mark."
"Marc is a terrific operator. He can resource a project efficiently and produces very high quality work. I would not hesitate to use Tethered Earthworks again."
Quality Service Guarantee
We Stand Behind Our Work
