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The "Go-To" Contractor

for wastewater infrastructure rehabilitation, waterproofing, protective linings and specialty concrete services

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Serving the Greater Pacific Northwest

Municipalities Industries Utilities Commercial Properties
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Benefit from our expertise.

we know stormwater, wastewater and water infrastructure and what it takes to protect it

Infrastructure Rehabilitation

Rehabilitation of physically deteriorated water conveyance and sewage system components, parking garages and decks, and other concrete structures through chemical injection, epoxy repairs, spray-applied coatings and liners.

Waterproofing and I & I Remediation

We specialize in waterproofing commercial, municipal, institutional and industrial structures, with a core focus on mitigation and prevention of water inflow & infiltration in stormwater and sanitary water conveyance and treatment systems.

Manhole Repair & GU Liner Services

Our highly trained technicians correctly design and shape manhole channels for new or modified existing manholes, as part of rehabilitation projects including accurately poured cast concrete elements and waterproof and/or anti-corrosive coatings.

About Us

NWCW, LLC (Northwest Concrete Waterproofing) has made a name for itself industry-wide as the “go to” specialty contractor in the greater Pacific Northwest region for structural concrete waterproofing, sealing, commercial coatings and protective linings.

NWCW’s expertise is proven and our knowledge and experience are valued for projects such as wastewater system maintenance, asset rehabilitation and repair as well as troubleshooting.

  • Serving General Construction & Municipalties

    with their needs in storm water, wastewater, and potable water systems,

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    Infrastructure Specialists

    manhole renewal, larger diameter pipeline rehabilitation, tank repairs and protective coatings

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    Certified Sprayroq Partner

    Certified installer of Sprayroq structural and protective polymer coatings and linings

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    Specialty Concrete Services

    special flatwork services in decorative concrete, from start to a truly functional and beautiful finish.

Why Choose Us?

We serve the general construction industry and municipalities with stormwater, wastewater and potable water infrastructure rehabilitation and protection needs. We fit our specialized expertise into your project however you need us, as a direct contractor or subcontractor.


About The Team

Schedule a meeting to learn more about the people behind our confidence in having the experience and expertise you need to ensure a successful, long-lasting solution to your concrete infrastructure rehabilitation, protective and asset extension needs.


Get In Touch

Call now at 253.210.5098 or email us to learn how we can help you with your next concrete waterproofing or rehabilitation projects. Don’t see what you’re looking for here? Just ask: we can likely leverage our extensive professional network to get the help you need.