Sewer, Septic & Construction Experts
With decades of combined experience, Schleg Valley Construction provides expert services in septic systems, foundation work, land development, and more. We’re equipped with the heavy machinery, knowledge, and dedication to complete your residential or commercial project on time and up to code.
Garage Slab Work
Custom garage slabs poured to last — smooth, level, and built for strength in Snohomish and beyond.
Foundation Services
From excavation to final pour, we handle structural foundations that meet local codes and your building's needs.
Land Development
Full-service land clearing, grading, and utility prep — readying your site for new construction.
Our Combined Services
Schleg Valley Construction
New Home Construction
Complete start-to-finish home building solutions.
We handle permits, excavation, utility
connections, framing, and finish work with professionalism and care.
Excavation & Site Prep
Professional excavation services for residential and commercial builds.
Includes grading, land
clearing, trenching, and foundation prep across Snohomish and surrounding counties.
Septic System Installation
Licensed septic system installs for properties of all sizes.
From soil testing to final
inspection, our team delivers code-compliant, long-lasting septic solutions.
Sewer Line Services
Reliable sewer line installation and replacement.
We provide trenchless options, system repairs,
and full-service sewer hookups across residential developments.
Our Services
Why Choose Schleg Valley Construction?
We specialize in residential and commercial construction with a focus on quality, safety, and long-term value. From septic installation and land clearing to custom home builds, we handle every project with professionalism and care.
- Licensed & insured for your peace of mind
- Experienced in complex site prep and permitting
- Custom design-build services for homes and developments
- Advanced equipment for grading, excavation, and utility installs
Area Served
- Snohomish
- Everett
- Lynnwood
- Monroe
- Arlington
- Edmonds
- Mill Creek
- Granite Falls
- Stanwood
- Mukilteo
- Mountlake Terrace
- Sultan
- Gold Bar
- Sultan
- Smokey Point
- Darrington
- Brier
- Index
- Tulalip Bay
- Maltby
- Paine Field-Lake Stickney
- Woodway
- Oso
- Lake Roesiger
- Machias
- Martha lake
- North Creek
- Lake Goodwin
- Alderwood Manor
- Cathcart
- North Lynnwood
- Hat Island
- Warm Beach
- Lake Bosworth
- Woods Creek
- Verlot
- Lake Ketchum
- Esperance
- Swede Heaven
- Lochsloy
- Marysville
- Lake Stevens
- Bothell West
- Auburn
- Baring
- Bellevue
- Black Diamond
- Bothell
- Burton
- Carnation
- Duvall
- Enumclaw
- Fall City
- Federal Way
- Hobart
- Issaquah
- Kenmore
- Kent
- Kirkland
- Maple Valley
- Medina
- Mercer Island
- North Bend
- Pacific
- Preston
- Ravensdale
- Redmond
- Renton
- Sammamish
- Seahurst
- Seattle
- Skykomish
- Snoqualmie
- Vashon
- Woodinville
- Chelan
- Wenatchee
- Leavenworth
- Manson
- Entiat
- Cashmere