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    Ability Plus Drainage Company

    4.6 (47 reviews)
    Closed 8:00 am - 4:00 pm

    Services - Ability Plus Drainage Company

    Moisture or vapor barrier installation

    Moisture control inspection

    Moisture control installation

    4 More Services

    Moisture control repair

    Sump pump installation

    Sump pump repair

    Waterproofing inspection

    Ability Plus Drainage Company Photos

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    Recommended Reviews - Ability Plus Drainage Company

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    Drywells installed
    Marcia J.

    From our first inquiry to the completion of our project, everyone in this company was responsive, helpful, friendly, and well-informed. The crew did impeccable work. We're thrilled to finally have a professional solution in place for our leaky basement.

    Drain to street flowing proudly!
    Josh T.

    We had so much water in our backyard. It was to the point that our lawn was ruined and flooded. We had a few contractors take a look, but Greg was the most knowledgeable and had some great ideas. The cost was spot on. Three French drains that connected to our original drainage and then they found our drain line to the street was clogged -- so they fixed that. These guys never quit. It was impressive. I have some experience with drainage and the type of work they performed, and they did a great job. Professional and permanent. It's been in place for a month now and got this picture during just a light sprinkle that shows the drain to the street flowing water out to the street! Thanks Greg and team!

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    5 months ago

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    Greg B.

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    Page 1 of 2

    Ask the Community - Ability Plus Drainage Company

    Review Highlights - Ability Plus Drainage Company

    As if that weren't enough, Konnor was an absolute pleasure to work with, as were the members of his team.

    Mentioned in 9 reviews

    Read more highlights

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    TerraFirma

    TerraFirma

    3.9
    (118 reviews)

    Our house is built in the SW hills of Portland originally in 1938, with a 2003 addition. TerraFirma…read morewaterproofing product has been a significant update to a shoddy home remodel that the January ice storm exposed. After this unexpected remodel and damage was exposed we had a delay of several months to get on their schedule. When the project date arrived, they showed up on time, cleaned well after the demolition/addition of interior floors to allow drainage and a sump-pump. My original review (4 star due to not adjusting the cost when less product was used) they owned the mistake and recognized their communication gaps. I do appreciate that attention and feel more confident in the company. I look forward to many years of DRY basement/master bedroom living.

    Living in a 30-year-old home for the past two decades we've had several phases of upgrades, but one…read morething has always been absent from a 10x10 slab on our back porch: a hot tub. So, this summer, we decided to move forward with the plan to be "soakin' for the holidays" three months away. The only thing standing in the way of that dream: the slab and its neighbor had sunk a few extra degrees, roughly three inches, at the far edge. We were going to need to shore up and permanently stabilize this slab if our hopes of the (3-ton when filled) tub were going to materialize. I made a quick call to Terra Firma and they had an estimator out within a few days. The pricing was reasonable and had the standard 50% up front 50% when complete-type contract. Casey arrived spot-on at 8:00am yesterday morning and began doing his magic (the process involves boring 1/2" holes through the slab, then using high pressure and heat to inject a molten expanding foam under the slab.) The foam is rated to support about 5 tons (10,000 pounds) per pound of foam material, and....100 pounds later that whole slab is back to following the prescribed slope perfectly, raising almost three inches on the sunken side. He did a great job and was a great rep for the company, explaining what little was left to explain. He kept me up on the status of the (4-hour) job as he went along--because our slabs had previously cracked, he had to gently lift it up in small sections so as to not have the sections separate further. Perfect job. 24 hours later and the patched holes have dried to almost-invisible (see photos). Unless you know what you're looking for, you can't even really see that repairs were made. Now I just need to fill in the pre-existing cracks with concrete patching caulk and we're ready to schedule the hot tub delivery! Yippee! Thanks Terra Firma!

    John's Waterproofing

    John's Waterproofing

    3.3
    (76 reviews)

    While the price did go up once the contractors arrived and did their own inspection (this was…read moreduring an active Portland flood period so leakage was far more noticeable than when sales person inspected), Avori and his team where wonderful! Avori was very proactive in addressing the severeness of our crawlspace leak. The Portland flooding and our non-functioning French drain made it really bad, allowing water to literally flood into our crawlspace! Avori and his team worked through the water and mud, installing new posts and beams, redirecting the water to a newly installed sump pump. The job took much longer than originally anticipated but was done well and our foundation is now much more stable. I really would have given five stars if the original quote caught everything but it wasn't flooding when the sales guy, John, came out so he didn't see the extent of our foundation issues. Avori was able to keep the increase to a minimum and we really appreciated all he did for us.

    I had this company install a sump pump, all new French drains and vapor barrier in my home's crawl…read morespace due to standing water. Less than 2 years later they came for an annual inspection and their sales rep told me due to visible mold, he urged me to get encapsulation for $26,000! I nearly had a heart attack! He didn't even offer a discount on the work they already did which would all have to be redone. But he sure pushed to finance it. Such a sham! I had an official inspector evaluate the condition and promptly told me there was no need at all, minimal mold and good air temp. Beware of this company's sales tactics and pressure. Unfortunately my warranty is through them so I'm stuck. But you can make a better informed decision!

    Better Basements and Waterproofing

    Better Basements and Waterproofing

    4.5
    (8 reviews)

    I haven't used Better Basements and Waterproofing yet, however, that's because they were honest…read moreduring the inspection and told me I didn't need to use them! I had a sketchy company do work on my crawlspace a few years ago and they've since fallen off the face of the earth. I was nervous to have a new company come out and 1) find something wrong and 2) try to sell me on things I didn't need. Michael H. with Better Basements and Waterproofing was honest - what was done by the former company wasn't up to his standards, however, it's fine for now and we can probably wait a few years before having any work done again. He also said we could use Better Basements and Waterproofing for sump pump maintenance (since we can't use the original company), however, he reassured me there isn't a binding yearly contract and I can just call if I'm interested (no need to agree this moment). I appreciated how honest and thorough he was in his inspection and in his explanations of everything. I've had a lot of companies over the years try to sell me on things I don't actually need. Michael didn't, and because of that, I actually will probably use Better Basements and Waterproofing in the future if I do need work done.

    The company responded quickly and efficiently to my request to address the vibration caused by the…read moresump pump at my property. The technician provided a thorough assessment report with several options for me to consider, which I really appreciated. On the day of construction, the team completed the work quietly and professionally. I'm very glad to have found them and look forward to working with them as my long-term crawl space service provider.

    Ability Plus Drainage Company - waterproofing - Updated June 2026

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