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4.9 Stars From 312+ Homeowners

Every review below comes from a real Portland address. We publish the four-star ones as well, because a page of nothing but perfect scores tells you nothing. The jobs behind them are written up in our project case studies , measurements included.

4.9

Based on 312 reviews

5 star 90%
4 star 10%
3 star 0%
2 star 0%
1 star 0%
Reading Between the Stars

What Homeowners Mention Most

A star rating tells you almost nothing on its own. These are the specific things that keep showing up across the reviews below.

Showed up when they said they would

The most repeated line in the four- and five-star reviews is not about the work itself, it is about someone answering the phone and a crew arriving in the window they promised.

Explained the diagnosis before quoting

Homeowners consistently mention being shown the moisture reading or the crack before a number was written, the same sequence our process follows on every job, rather than being handed a price and a sales pitch in the same breath.

Cleaned up like the job mattered

A finished basement with no drywall dust or mud track marks comes up often enough that it is clearly not the default experience homeowners expect from a construction crew.

The warranty held up on the second call

The reviews that carry the most weight are the ones written a year or two after the original job, confirming the free annual service and warranty worked the way it was described.

Over 200+ Happy Customers & 5-Star Reviews

4.9 out of 5 stars

  • Danielle Whitcomb
    2 months ago
    Eleven winters of moving boxes to higher ground, and this January the floor was bone dry through a week of steady rain. The crew laid plastic over everything, hauled the spoil out by bucket and swept up each evening. Marcus explained the cove joint problem in a way that finally made sense.
  • Ravi Chandrasekaran
    3 months ago
    Two other companies wanted to tear up my entire basement floor. These guys looked at it and said the water was coming through two cracks, injected both, and charged a fraction of what I was quoted elsewhere. Two wet seasons later, still dry. They diagnosed instead of selling.
  • Kathleen O’Ryan
    3 months ago
    The musty smell in our bedrooms is completely gone, that alone was worth it. Humidity went from 78% to 47%, the floors are noticeably warmer through the winter, and our PGE bill dropped. Honestly did not expect the energy difference.
  • Tomás Aguilar
    4 months ago
    Our kitchen floor had been bouncy for years and I assumed it was just an old house. Turned out three joists had rotted at the sill. They sistered them, set proper piers, and the floor is solid for the first time since we bought the place.
  • Bethany Kaur
    5 months ago
    Excellent work and the water intrusion is completely resolved. Only reason for four stars is scheduling slipped by about a week during the November rush, though they were upfront about it and knocked something off the invoice.
  • Gerald Pfeiffer
    5 months ago
    Called at 6am during an atmospheric river with water coming in. They had someone here before nine to look at it and did not gouge me on emergency pricing. The permanent fix went in the following week and I have not thought about the basement since.
  • Amara Nwosu
    6 months ago
    They did the structural work first and then sealed it, and explained exactly why that order mattered. Another company had quoted just the liner, over rotted joists. Glad I got a second opinion. The house sold without a single crawl space comment from the inspector.
  • Steven Halvorsen
    6 months ago
    They came out, spent forty minutes, and told me my problem was a downspout dumping straight against the foundation instead of into the drain line, a $40 fix I could do myself. Did not try to sell me a thing. When I do need real work done, there is no question who I am calling.
  • Lucia Bertolini
    7 months ago
    Ninety-year-old house that had never had anything done to it. They worked straight through January in the rain, which I did not think was even possible, and kept the site cleaner than I expected. Clear pricing and written moisture readings at the end.
  • Owen Fitzgerald
    2 weeks ago
    One corner of the house had been sinking for years and I kept putting it off. They found the cause during the inspection, explained push piers versus helical piers in a way I actually understood, and the door that never closed right now shuts like new. Wish I had called sooner.
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
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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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