A wet basement can come from a dozen different sources, and we trace yours back to the real cause before recommending any fix.

Chronic wet basements are rarely caused by just one thing, which is exactly why single-service contractors so often leave the problem half-solved. Our diagnostic process checks grading, drainage, and crack condition together before recommending a fix.
We check walls, floor, grading, gutters, and window wells before recommending a repair, not just the spot where you noticed water.
Wet basement calls get scheduled quickly, especially when there's active water or a musty odor that's gotten worse recently.
We break down each component of the fix so you understand what you're paying for and why it's included.
Between drain tile, sump systems, crack injection, and exterior grading, we can address nearly any wet basement cause without bringing in a second contractor.

Every Dundee, OR Wet Basement Repair job starts with an inspection, not a generic package — here's what that typically includes.
A written diagnostic summary explains what we found and why we're recommending a specific repair combination.
This is the most common fix for Dundee, OR basements with a consistently high water table.
Cracks are often a secondary contributor alongside grading or drainage issues, not the sole cause.
A surprising number of Dundee, OR wet basements trace back to grading that slopes toward the foundation or downspouts discharging too close to the wall.
Chronic basement moisture creates conditions for mold growth, and part of our repair scope is getting humidity down to a level that doesn't support it.

We ask how long the basement has been wet, whether it's constant or storm-related, and what you've already tried.
We don't stop at the first obvious cause — chronic wet basements often have more than one contributing factor.
We explain the reasoning behind each recommendation so the plan makes sense, not just a list of line items.
We're available to reassess if conditions change after a major storm, since Dundee, OR weather can be unpredictable.

"We'd had three different contractors guess at fixes over the years and none of them worked. These guys actually diagnosed the real combination of causes."
— Dundee Homeowner
"Appreciated getting a written diagnosis explaining exactly what they found before any repair work started."
— Dundee Customer
"Basement had flooded twice before we called. Combination of drain tile and grading correction has kept it dry through two storm seasons now."
— Dundee Homeowner
"Follow-up check after a big storm gave us real peace of mind."
— Dundee Customer
We review prior repair work as part of the inspection to identify what may have been missed.
We check interior walls and floor, exterior grading, gutters, downspouts, and window wells using moisture meters and visual inspection.
Addressing only one factor while ignoring the others is a common reason prior repairs fail.
We focus on moisture control, and we coordinate with mold remediation specialists for visible growth, which falls outside our direct scope.
Every recommendation is itemized in writing so you understand what's driving the total.
Timeline depends on scope — a single-cause fix might take a day, while a combination of drainage, grading, and crack repair can take several days.
We diagnose and repair wet basements throughout Dundee and the surrounding Dundee, OR service area, including the zip codes listed below.



Zip codes we serve in Dundee, OR: 97115
Call now for a free inspection and a flat-rate quote before anything gets worse.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.