Keep water out of your basement with our proven products and expert installation. Learn more

Crawl Space

We offer complete crawl space encapsulation, insulation & repair services. Learn more


Gain extra living space in your home with a custom-designed finished basement. Learn more


We use advanced mold removal products and techniques to protect your family & home. Learn more

Your Trusted Basement Waterproofing, Basement Finishing, Seismic Retrofitting & Crawl Space Encapsulation Contractor

Serving Vancouver WA, Eugene, Portland, Beaverton, Salem OR

If you have a wet basement or crawl space water problem of any kind in our coverage area,   call us and we'll be there, bringing our know-how, professionalism and over 40 years of experience solving similar problems in Oregon and Vancouver.

We are a family-owned business and provide the highest quality work with the highest quality materials. Call us today for a free inspection and no-obligation, cost estimate.

John's Waterproofing is your local basement waterproofing, basement remodeling, crawl space repair, and seismic retrofitting contractor serving the Portland, Salem and Eugene area since 1974.

John's Waterproofing won the "10 Year Dealer Award" in 2005. We have waterproofed many valuable and historic buildings, including the US Court House in Eugene, the President's Mansion at Linfield College, Columbia Knoll Retirement Center, and Vancouver Towers.

John's Waterproofing Company BBB Business Review John's Waterproofing Company BBB Business Review

Why Greater Portland Homeowners Choose Us

Savings of Up to 50% Over Other Methods

Recognized & Awarded Service

Patented & Awarded Products

Written, transferable Warranties

Happy Customers in Greater Portland

RHA Renters Housing Alliance
Angie's List Super Service Award
Home Builder's Association
Authorized CleanSpace Dealer
Authorized Total Basement Finishing Dealer
Better Business Bureau
Build Zoom
EPA Indoor Air Plus
National Association of Home Builders
Oregon Remodelers Assocation
Silverton Chamber of Commerce
Salem Chamber of Commerce
Stayton-Sublimity Chamber of Commerce
Angie's List Super Service Award
Porch design network
Habitat for Humanity
National Association of the Remodeling Industry
Elite service provider on Home Advisor
Oregon Home Magazone
Service Area
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