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Case Studies

Basements We Have Made Dry

Every project below is a real Portland address with a real water problem. We have listed what was wrong, what we installed and what the numbers looked like afterwards, because "we fixed it" on its own is not evidence.

Recent Work

Our Real Portland Projects

Real addresses across Portland, real water problems, and the waterproofing systems that solved them. Each one lists the measured result rather than a claim.
Foundation crack sealed by injection during a basement waterproofing job in Sellwood, Portland
Basement Crack Repair

Sellwood, Portland

Two Cracks, One Afternoon in Sellwood

Quoted five figures for full-perimeter work by two other firms. The water was coming through two cracks.

Half a day March 4, 2026
Exterior foundation wall of a St. Johns home in Portland, OR before basement waterproofing
Basement Waterproofing

St. Johns, Portland

High Water Table Basement, St. Johns

A water table sitting only a few feet below the slab, waterproofed mid-January while water was actively coming in.

4 days January 20, 2026
Basement waterproofing Portland interior drain tile and sump installed in an Alberta daylight basement
Basement Waterproofing

Alberta, Portland

Alberta: Leaking Daylight Basement, Interior Drain & Sump

A century-old stone foundation taking four inches of water every wet season, dry through the wettest winter in eight years.

3 days November 14, 2025
Crawl space joists sistered and supported before basement waterproofing in Laurelhurst, Portland
Crawl Space Repair

Laurelhurst, Portland

Rotted Joists & Bouncy Floors, Laurelhurst

A kitchen floor the owners had assumed was just an old house, three joists had lost most of their section at the sill.

4 days September 2, 2025
Basement waterproofing Portland crew assessing a bowing foundation wall before anchor stabilization in Beaumont-Wilshire
Foundation Repair

Beaumont-Wilshire, Portland

Beaumont-Wilshire: Foundation Wall Stabilization With Wall Anchors

A basement wall was bowing inward under years of saturated soil pressure. Steel wall anchors stopped the movement without rebuilding the wall.

2 days July 22, 2025
Crack repair and crawl space sealing on one basement waterproofing visit in Montavilla, Portland
Crack Repair + Crawl Space Encapsulation

Montavilla, Portland

Crack Repair + Crawl Seal, Montavilla

Water arriving through a single crack under real pressure, plus a crawl space at 74% humidity feeding the whole house.

4 days June 11, 2025
Basement waterproofing Portland crew excavating to the footing for helical pier installation in Woodstock
Foundation Repair

Woodstock, Portland

Woodstock: Foundation Settlement Repair With Helical Piers

One corner of a 1948 ranch had dropped almost an inch. Helical piers reached load-bearing soil and lifted it back, without touching the rest of the foundation.

3 days May 14, 2025
Crawl space moisture addressed before encapsulation, basement waterproofing in Hawthorne, Portland
Crawl Space Encapsulation

Hawthorne, Portland

Hawthorne: Crawl Space Encapsulation & Vapor Barrier

A 1,450 sq ft dirt crawl space at 78% humidity, with mold on the joists and floors that never got warm.

3 days April 28, 2025
Basement waterproofing Portland crew exposing a foundation wall corner for push pier support in Kenton
Foundation Repair

Kenton, Portland

Kenton: Foundation Lift With Push Piers

A brick foundation corner had settled under the weight of a two-story addition. Push piers used that same weight to reach bedrock and lift the corner back.

4 days March 3, 2025
Exterior foundation waterproofing membrane and drain board installed at an Irvington home in Portland
Basement Waterproofing

Irvington, Portland

Irvington: Exterior Foundation Waterproofing

A full driveway and patio replacement already scheduled, so the foundation got excavated once for both jobs instead of twice.

6 days February 10, 2025
Areas We Service

Covering Every Basement Across Portland

Basement Waterproofing Portland works inside the city limits only, covering 12 Portland neighborhoods and all 33 city ZIP codes. Soil changes from one street to the next here, so our crews work from what actually sits under each address rather than a single template.
Downtown Sellwood-Moreland Hawthorne Laurelhurst Alberta Arts St. Johns Multnomah Village Irvington Woodstock Montavilla Kenton Beaumont-Wilshire

Portland ZIP codes we cover

97201 97202 97203 97204 97205 97206 97208 97209 97210 97211 97212 97213 97214 97215 97216 97217 97218 97219 97220 97221 97222 97223 97224 97225 97227 97229 97230 97232 97233 97236 97239 97266 97267
Contact Us

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Water in the basement, a foundation crack you have been watching, or a crawl space nobody wants to open. Get a straight diagnosis from Basement Waterproofing Portland, with fast response, fixed pricing and workmanship guaranteed for life across the city of Portland.

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