We Build the Northwest
Since 1968, Northwest Cascade has demonstrated a “Can-Do” Attitude and the ability to complete “fast-track” and challenging projects in an efficient, quality assured, safe and environmentally conscious manner.
5,674+
Septic Systems Installed
2,252+
Residential Lots developed
1,120+
Storm Systems Installed
3,876+
Side Sewers Installed
50+ Years Of Excellence
Though our presence today is larger than ever before, we are deeply rooted in the communities where we build and live. Our breadth of capabilities ensures that we are able to meet our clients’ needs every time, on every front.
5,674+
Septic Systems Installed
2,252+
Residential Lots developed
1,120+
Storm Systems Installed
3,876+
Side Sewers Installed
50+ Years of Excelence
Though our presence today is larger than ever before, we are deeply rooted in the communities where we build and live. Our breadth of capabilities ensures that we are able to meet our clients’ needs every time, on every front.
Residential Development
How We Can Help With Your Projects
New and Restoration of Septic and Sewer Systems
Whether you are building a new home or replacing an old septic system, our team can help. We handle site evaluation, permitting support, excavation, tank and drain field installation, repairs, pumping coordination, and full system restorations.
Residential Lot
Development
We help homeowners and small builders turn raw land into build-ready residential lots. We handle site clearing, excavation, grading, utilities, and permits from start to finish. You get a streamlined process, clear timelines, and a lot prepared for construction without delays or surprises.
Residential Clearing and Grading
Raw land holds risk. Poor grading creates problems you cannot see yet. Northwest Cascade Construction prepares your site the right way. We clear with purpose so your lot is ready for grading, utilities, and construction.
Residential Storm Systems
Handling everything from drainage installation to permits and code compliance. We provide residential stormwater solutions across Western Washington, designing and installing drainage systems that protect homes and properties from heavy rain and water damage.
Residential Water Systems
We provide complete residential water system services, including new water line installation, repairs, replacements, trenching, utility coordination, and connections to public water systems. From start to finish, we handle the full process to ensure dependable water service for your home.
Side Sewers
We are experts at residential sewer systems and side sewer installation services. We handle everything from permits and approvals to final installation, ensuring your project stays on time and on budget. Our team delivers reliable, code-compliant solutions tailored to your property, with free estimates to help you get started with confidence.
Locations
Transforming Communities in Western Washington
- King County
- Pierce County
- Thurston County
- Lewis County
- Mason County
Learn More From
See What our Customers Have to Say
Chris B.
Homeowner, Orting
“They did a small septic job for me recently and the residential project manager was great to deal with. Crew was prompt and polite and did what they said they would do. Went above and beyond with their cleanup as well.”

James Head
Homeowner, New York City
“The team at Earthly Elegance totally transformed our backyard into a stunning oasis. Their attention to detail and creativity exceeded our expectations!”
James Head
Homeowner, Orting
“The team at Earthly Elegance totally transformed our backyard into a stunning oasis. Their attention to detail and creativity exceeded our expectations!”
Our Happy Clients!
They did a small septic job for me recently and the residential project manager was great to deal with. Crew was prompt and polite and did what they said they would do. Went above and beyond with their cleanup as well.
Chris B
Homeowner, Orting
I needed a spec installed quickly for my new house, and they came through for me. Septic is working great so far. They worked with my septic designer and passed the inspection. They even handled a few extra easy plumbing things while they were out, free of charge. Sent me a bill for the exact amount they quoted, which isn’t always the case with other contractors. I highly recommend this company.
Wesley K.
Homeowner
The team at Earthly Elegance totally transformed our backyard into a stunning oasis. Their attention to detail and creativity exceeded our expectations!
James Head
Homeowner, City
I’m a homeowner, they worked in my neighborhood, absolutely professional, polite, and they made sure that I got in and out of my driveway. I mean, absolutely the best company that I’ve come across at work and in my neighborhood, and they did a fantastic job of making sure we’re accommodated and just make sure that we rocked and rolled and that we did not have any inconvenience. I mean, absolutely, just five stars
C Hayes
CEO, Acme Industries
They did a small septic job for me recently and the residential project manager was great to deal with. Crew was prompt and polite and did what they said they would do. Went above and beyond with their cleanup as well.
Chris B
Homeowner, Orting
The team at Earthly Elegance totally transformed our backyard into a stunning oasis. Their attention to detail and creativity exceeded our expectations!
James Head
Homeowner, City
I needed a spec installed quickly for my new house, and they came through for me. Septic is working great so far. They worked with my septic designer and passed the inspection. They even handled a few extra easy plumbing things while they were out, free of charge. Sent me a bill for the exact amount they quoted, which isn’t always the case with other contractors. I highly recommend this company.
Wesley K.
Homeowner
I’m a homeowner, they worked in my neighborhood, absolutely professional, polite, and they made sure that I got in and out of my driveway. I mean, absolutely the best company that I’ve come across at work and in my neighborhood, and they did a fantastic job of making sure we’re accommodated and just make sure that we rocked and rolled and that we did not have any inconvenience. I mean, absolutely, just five stars
C Hayes
CEO, Acme Industries
