Contact Us For
A Free Estimate!
Products & Services
Basement Waterproofing
Basement Dehumidifiers
Basement Sealing
Basement Seepage Solutions
Basement Wall Repair
Flood Vents
Drain Tile Installation
Dry Basement Systems
Exterior Waterproofing
Flooded Basement Repair
Foundation Waterproofing
French Drain Installation
Interior Waterproofing
Leaky Basement Repair
Sump Pump Drainage
Sump Pump Installation
Sump Pump Repair
Sump Pump Battery Backup
Wet Basement Solutions
Basement Insulation
Basement Crack Repair
Basement Wall Cracks


Crawl Space Repair
Crawl Space Access Doors
Crawl Space Dehumidifier
Crawl Space Drainage
Crawl Space Encapsulation
Crawl Space Insulation
Crawl Space Liner
Crawl Space Moisture Barrier
Crawl Space Moisture Control
Crawl Space Mold Prevention
Crawl Space Sealing
Crawl Space Sump Pump
Crawl Space Vapor Barrier
Crawl Space Ventilation
Crawl Space Waterproofing
Crawl Space Excavation


Basement Flooring Systems



Basement Remodeling
Basement Remodeling Plans
Basement Renovations
Basement Refinishing
Basement Subfloor
Basement Wall Panels
Thermaldry Basement Flooring


Basement Design
Basement Ideas
Basement Remodeling Ideas
Basement Ceiling Ideas
Basement Floor Plans
Basement Flooring Ideas


Seismic/Earthquake Retrofitting
Before and After Pictures from Sandy
Wet Basement in Sandy, OR

Wet Basement in Sandy, OR

Before After
Wet Basement in Sandy, OR Wet Basement in Sandy, OR

This customer had a finished basement that was used for kids living space, but without the proper waterproofing system in place they started to get water seepage and leaks down in the kids’ bedrooms! This was destroying their stuff and leaving it an unsafe place to dwell in. Our team came out and put in a full WaterGuard system and put in our Thermaldry Wall system which will help reflect heat and make the room much warmer for the kids as well. The homeowners chose to finish the basement themselves so we set up the basement for them to finish over. 

CleanSpace, Salem, OR

CleanSpace, Salem, OR

Before After
CleanSpace, Salem, OR CleanSpace, Salem, OR

As you can see in the photos, encapsulating your crawl space with the CleanSpace vapor barrier protects the structure of your home from mold and dampness. 

Company Awards
Best of Beaverton Plumbers - 2021
The goal is to connect people with the best local experts. Expertise scored Beaverton Plumbers on more than 25 variables... [Read more]
Ten Years with Home Advisor
Currently an active member of the Homeadvisor network 10 Year anniversary of initial Screening & Approval No homeowner complaints in the last... [Read more]
Elite Service Professional
Have a minimum of five reviews with a 5-star rating Overall customer service rating of 4.5 or better No homeowner complaints in... [Read more]
More Awards

Your Reliable Sandy, OR Leaky Basement Repair & Crawl Space Repair Company

  I'm really glad I found you folks.    ...
Happy Customers Surrounding Sandy, OR
Work Requests

Click the icons to see what our customers had to say.

Reviews From Sandy
Testimonials From Sandy
The price was better than they said it would be!
Testimonial by Sandy R. from West Linn, OR

Basement Waterproofing & Crawl Space Repair in Sandy, Oregon

Do you have water in the basement? Is your crawl space damp? This leads to mold, rot, musty odors, and structural issues. It also leads to a reoccurring headache for you. Luckily, our trained experts are available to permanently fix the problem.

We will properly install a hidden drainage system in your Sandy basement and completely encapsulate your crawl space with CleanSpace vapor barrier. We are here to solve the problem for you.

Why Choose Us?
  • Lifetime Warranty on all Perimeter Waterproofing Systems
  • 25-year Warranty on Crawl Space Encapsulation Systems
  • Sump Pump Installation, Repair & Replacement
  • Basement, Crawl Space & Spray Foam Insulation
  • Basement Egress Windows
  • Flood Vents & Drainage Systems
  • Crawl Space & Basement Dehumidifiers
  • Crawl Space Excavation
  • Hundreds of Satisfied Customers

Basement Remodeling in Sandy, OR

Waterproofing your basement prevents outside water from coming in but what if a pipe bursts or the water heater leaks inside the home. A newly remodeled basement done by your average contractor will mold and rot if there is an internal leak. You'll have to tear out your new basement! We fix this issue.

Our Products Include:
  • Waterproof, washable, insulated walls           
  • Mold-Resistant, No-Sag suspended ceiling
  • Modular carpet, tile & faux wood flooring

  • Energy-efficient, double-paned basement windows
  • Attractive Sunhouse basement window wells
  • French, bifold, louvre & six-paneled steel doors
Unlike the average Sandy contractor we use completely inorganic, waterproof materials. Even if the basement floods your walls and floors will not be damaged by the water. These waterproof products are patented and are built to create an attractive basement that lasts a lifetime.

Click for a FREE Estimate!

Earthquake & Seismic Retrofitting in Sandy

In Sandy, earthquake risk is a reality. That is why it is critical to have your home properly reinforced and prepared for any seismic event. At John's Waterproofing, we provide seismic retrofitting services on your home or business using metal connectors and other reinforcing methods and materials. The goal is to counteract racking, sliding, and overturning, the 3 major earthquake-induced forces that can damage or ruin your structure.

For a FREE no-obligation written estimate in Sandy, OR, please click below and John's Waterproofing will contact you shortly.

Click for a FREE Estimate!

Job Stories From Sandy, OR
Crawl Space in Sandy, OR

Nicole called into our office and made an appointment to have Sean J come out and assess her crawl space that had gotten water in it from the water heater. A bit of a mess had been made and, Sean suggested that she go ahead and have a clean up done and then the installation of CleanSpace. Nicole agreed and so Delfino and his team here at John's Waterproofing came out. They cleaned up the crawl space and installed a new SaniDry Sedona Dehumidifier that stops moisture and then installed CleanSpace to the entire crawl space. Nicole is now thrilled that she has a dry crawl space and no longer has to worry about any water damage occurring. And knowing that she will not have to worry for many years.

Work Requests From Sandy, OR
Project Location: Sandy, OR
Representing a seller in a transaction and buyer repair requests include replacing the damaged vapor barrier, looking for a quote, and to get work scheduled ASAP. Thank you!
Project Location: Sandy, OR
Flooding of basement
Project Location: Sandy, OR
Like to have my crawl space inspected and priced for a vapor barrier
Project Location: Sandy, OR
We need removal and replacement of vapor barrier and insulation in our crawlspace.
Project Location: Sandy, OR
Floors not insulated
Project Location: Sandy, OR
Project Location: Sandy, OR
Im a real estate agent helping buyers purchase a house, during the inspection we found that in the winter water is in the crawlspace and were curious the cost of a sump pump install? thanks, chris
Project Location: Sandy, OR
I have water leaking in the basement on two sides.
Project Location: Sandy, OR
Home is daylight ranch, has significant crack/ cracks leaching water in house
Project Location: Sandy, OR
We are buying some property and the crawl space at the new home needs to have new vapor barrier installed in the crawl space.
Project Location: Sandy, OR
Water under our house in our crawl space. Might be leaking through vent but want to make sure it's not a leak underneath.
Project Location: Sandy, OR
Water coming in crawl space.
Project Location: Sandy, OR
Have a basement that in long heavy rain leaks through the basement wall. This happens a couple of times each winter
Project Location: Sandy, OR
Old building. leaking through the walls for many years.
Project Location: Sandy, OR
Water seepage in daylight basement on the embankment side. Only occurs during heavy rains or snow, about 1 day a year. Water is clean and seeps through cracks in the floor.
Project Location: Sandy, OR
Wet basement, flooding, old foundation, unliveable
Service Area
Free Quote