Basement Waterproofing

Basement Waterproofing Contractors Serving Portland, Eugene, Medford & nearby Oregon

Why more homeowners choose our system

  • Transferable lifetime dry basement warranty
  • Solutions for finished and unfinished basements
  • No destructive outside excavation
  • More than 30 patented products, all designed specifically for your basement

With more than a decade of expert foundation and waterproofing experience, TerraFirma are the local contractors you need for all your basement waterproofing needs.

We been featured on local radio shows and community events, and we are an award winning company. As the local member of the international Basement Systems network, we provide you with a unique line of patented products that provide you with the best waterproofing services available.

If you have musty smells, walls that feel damp, or if your basement floods with heavy rain, we can help. Not sure what’s causing your home’s wet basement? Let one of our experts take a look. We offer free inspections and estimates – schedule yours today! Call 1-800-578-0482 or click the button below to send us an e-mail. We service homeowners in Portland, Vancouver, Salem, Beaverton, Bend, Hillsboro, Gresham, Corvallis, Eugene, Albany, Coos Bay, Medford and nearby Oregon and Washington areas.


Signs of a basement waterproofing problem

Your damp or wet basement can cause more than just a headache; these issues can create bigger problems like mold, mildew, rot, structural damage, and a variety of health problems. If you’ve noticed any of the symptoms below, you might have a basement water problem.

  • Wet or damp basement floor
  • Leaking or damp basement walls
  • Pooling or standing water
  • Crystaline deposit on concrete surfaces
  • Musty odors
  • Condensation
  • Sump pump issues
  • Leaky basement windows

Custom, proven solutions for a dry basement

Our complete basement waterproofing system includes all the solutions you need for a dry, comfortable, odor-free basement; no matter what’s causing your issues. We offer many solutions for your home, including sump pumps, basement drainage systems, dehumidifiers, crack repairs, vapor barriers, and more.

basement systems logo

We believe you deserve only the best. That’s why we install a patented proven system developed and tested by Basement Systems, Inc. – the leader in “All Things Basementy!” For your peace of mind, our basement waterproofing system comes with a Lifetime Warranty that is transferable when you sell your home. We have a team of extensively trained basement repair specialists who can work with you to find the best solution for your home’s basement.

Customer Review
  • By Karl M.
    Milwaukie, OR
    "if we ever need any other work done you'll be the first company we'll..."

    Customer Review

    By Karl M.
    Milwaukie, OR

    if we ever need any other work done you'll be the first company we'll call.
  • By Mary M.
    Portland, OR
    "We had a great experience with TerraFirma. When we discovered water and..."

    Customer Review

    By Mary M.
    Portland, OR

    We had a great experience with TerraFirma. When we discovered water and mold in our basement, we explored options on how to recreate the living space we had come to rely on. TerraFirma offered the products that made sense and their service and installation was great. We now have our living space back. It is clean and dry and should stay that way for years to come! When we had to dig up our basement floor to fix a plumbing issue (right after our new floor was installed!), TerraFirma gave great advice for how to remove and reinstall the floor. It was well within the reach of a DIY job. When there were a couple of finishing touches remaining, they came over and helped out. This is a great local company to do business with. I recommend them highly!
  • By Craig R.
    Portland, OR
    "We just moved to the area and needed work done on our basement and crawl..."

    Customer Review

    By Craig R.
    Portland, OR

    We just moved to the area and needed work done on our basement and crawl space in order to ensure water-proofing and clean up the mess that was under our house. Right from the beginning we found the initial assessment extremely thorough and informative. We were offered educational materials about basement/crawl space issues and solutions. After much independent research on our part, we decided that the options TerraFirma was offering were sound long-term solutions and worth the cost. Our work was then scheduled in a timely manner. Gage, our foreman, was excellent! He communicated well with us about the project and kept us in the loop when unexpected obstacles arose. Stephen and his crew were professional and knowledgeable. I immediately trusted them as they arrived on time and were kind, respectful, and friendly. Gage and Stephen really went the extra mile to make our basement much better than they found it. I would definitely recommend Terra Firma to anyone.
  • By Phillip
    Portland, OR
    "Jon Keas did a great job. We have been battling water in the basement for..."

    Customer Review

    By Phillip
    Portland, OR

    Jon Keas did a great job. We have been battling water in the basement for a very long time. We saw Terrafirma at the home show in Portland. The estimator was very helpful in detailing all the work to be done. Jon and crew arrived on time were very courteous and explained all the work. Clean up was great. He and crew left place looking very neat and professional. I would be pleased to recommend Terrafirma for any future projects we may have.Thanks for a great job. Jon went above and beyond as he helped solve an additional issue with pond water levels,
  • By Craig
    Portland, OR
    "After several years of suffering wet carpet in the finished basement of..."

    Customer Review

    By Craig
    Portland, OR

    After several years of suffering wet carpet in the finished basement of our remodeled SE Portland home every time any water blew through, I decided to get the problem fixed.TerraFirma did an outstanding job, from the estimator who clearly explained the options, to the office staff who called to remind me about the service appointment and handled billing with no hassles, to the crew who showed up on time and got the job done on schedule. I was particularly happy with the extent the team went to the protect the finished house and furnishings as they did the work and installed the system. Really exceeded my expectations. Great job by Jon Keas and his crew. I almost look forward to the next soaker now!  
  • By Vern S.
    Portland, OR
    "Excellent and exceptional work from the whole team."

    Customer Review

    By Vern S.
    Portland, OR

    Excellent and exceptional work from the whole team.
  • By Ryan F.
    Lake Oswego, OR
    "Terra Firma has been great to work with and an exceptional value. Would..."

    Customer Review

    By Ryan F.
    Lake Oswego, OR

    Terra Firma has been great to work with and an exceptional value. Would highly reccomend.
  • By Mike C.
    Longview, WA
    "things went as planned. a couple things were overlooked, no big deal..."

    Customer Review

    By Mike C.
    Longview, WA

    things went as planned. a couple things were overlooked, no big deal. missed access opening under back room. I pulled wood and sawed a access hole. Also, missed removing some steel piping, again no big deal. I will cut the pipe and remove, probably in the next 5 or 10 years. good job
  • By Richard H.
    Hillsboro, OR
    "Drew, our installation crew chief, did an outstanding job!"

    Customer Review

    By Richard H.
    Hillsboro, OR

    Drew, our installation crew chief, did an outstanding job!
  • By Emily
    Salem, OR
    "We just moved to the area and needed work done on our basement and crawl..."

    Customer Review

    By Emily
    Salem, OR

    We just moved to the area and needed work done on our basement and crawl space in order to ensure waterproofing and clean up the mess that was under our house. Right from the beginning we found the initial assessment extremely thorough and informative. We were offered educational materials about basement/crawl space issues and solutions. After much independent research on our part, we decided that the options TerraFirma was offering were sound, long-term solutions and worth the cost. Our work was then scheduled in a timely manner. Stephen, our foreman, was excellent! He communicated well with us about the project and kept us in the loop when unexpected obstacles arose. Stephen and his crew were professional and knowledgeable. I immediately trusted them as they arrived on time and were kind, respectful, and friendly. Stephen, Gage, and Ben (the crew) really went the extra mile to make our basement much better than they found it. I would definitely recommend Terra Firma to anyone.

Request a free estimate from your local basement expert in Oregon and Washington

If you think you have a basement waterproofing problem, request a professional basement inspection today. We will send one of our certified basement waterproofing specialists to visit your home and conduct a thorough inspection of your home’s basement foundation.

TerraFirma fixes leaky basements in Oregon and Washington, including Portland, Vancouver, Salem, Beaverton, Bend, Hillsboro, Gresham, Corvallis, Eugene, Albany, Coos Bay, Medford and nearby OR areas. Contact us today for a free wet basement repair estimate.

Other companies might try to sell you on inferior basement waterproofing solutions. Our products have been developed, patented, and perfected by Basement Systems®, Inc. -- the world's largest network of basement waterproofing contractors.

our service area

We serve the following areas

Oregon
  • Adrian
  • Baker City
  • Bates
  • Boardman
  • Brogan
  • Burns
  • Condon
  • Drewsey
  • Fields
  • Fossil
  • Halfway
  • Harper
  • Hereford
  • Hines
  • Huntington
  • Ione
  • Ironside
  • Jamieson
  • Jordan Valley
  • Juntura
  • Mitchell
  • Nyssa
  • Ontario
  • Oxbow
  • Paulina
  • Prairie City
  • Princeton
  • Richland
  • Riley
  • Riverside
  • Spray
  • Sumpter
  • Umatilla
  • Unity
  • Vale
  • Westfall
Washington
  • Benton City
  • Bickleton
  • Grandview
  • Granger
  • Kennewick
  • Mabton
  • Moxee
  • Outlook
  • Pasco
  • Prosser
  • Roosevelt
  • Sunnyside
  • West Richland
  • Zillah
Our Locations:

TerraFirma Foundation Systems
761 NE Garden Valley Blvd.
Roseburg, OR 97470
1-541-435-7673


TerraFirma Foundation Systems
7910 SW Hunziker St
Portland, OR 97223
1-541-229-4049