Demo For:
John's Waterproofing
Wet Basement or Crawl Space?
We Fix It for Good.
Family-owned waterproofing contractor serving Portland, Salem, Vancouver, and Eugene since 1974. Free inspections. No-obligation estimates.
4.7 stars — 359 verified reviews
How We Work.
Call for a Free Inspection
Tell us what you're seeing — water, moisture, cracks, odors. We come out, assess it, and give you a clear price. No pressure.
We Diagnose and Get to Work
Our crew shows up on time, explains exactly what's wrong, and uses proven materials to fix it right the first time.
Dry. Done. Backed by Our Work.
Job completed clean. You get a dry basement or crawl space and the peace of mind that it won't come back.
Serving Portland, Salem, Vancouver, Eugene, and Surrounding Areas
Our Services
Basement Waterproofing
Wet basements, wall cracks, seeping water. We install proven drainage systems that keep water out for good.
Crawl Space Repair & Encapsulation
Moisture, mold, and damaged wood under your home. We encapsulate and seal crawl spaces with our patented CleanSpace system.
Foundation Repair
Wall cracks, shifting, bowing. We use state-of-the-art solutions to stabilize and repair foundations before problems get worse.
Most contractors patch the symptom
and leave the water problem behind.
John's Waterproofing is a family-owned basement waterproofing and crawl space repair company serving Portland, Salem, Vancouver, and Eugene since 1974. With over 50 years of experience and hundreds of verified five-star reviews, we bring licensed crews, proven systems, and a free inspection to every job in Oregon and Washington.
50+ years fixing wet basements and crawl spaces in Oregon and Washington
Free inspection and no-obligation estimate before any work starts
Patented CleanSpace encapsulation and proven drainage systems
Family owned — we stand behind every job we do