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Yes, we serve Seattle, WA!

For a FREE no-obligation basement waterproofing or crawl space repair estimate in Seattle, WA, please fill out the form to the right and a Basement Systems dealer will contact you shortly.

Our local basement waterproofing and crawl space repair company serves Seattle, WA 

Service Area Zip Codes:


Seattle, WA is serviced by TerraFirma Foundation Systems

We not only adhere to the highest industry standards, we strive to be the industry leader in the home improvement related services we provide. We also use state-of-the-art products and technology which are designed to fix your home.

Services we offer in Seattle:

  • Wet/flooded basement waterproofing solutions
  • 25-year warranty against manufacturing defects on foundation products
  • Basement finishing and remodeling service
  • Crawl space sealing with CleanSpace vapor barrier
  • 25-year warranty on crawl space encapsulation systems
  • FREE written estimates and inspections, and fast installation
  • Financing available

Recent job requests for basement waterproofing in Seattle, WA:

Project Location: 29th Ave E, Seattle, 98112

Search Request: what to do if you have a leak in your basement

Comment: Water is continually getting in the basement when there is a hard downpour of rain. there has been 40 years of basement leaks and there is no drainage around the house out to the streets please call me for your rates thank you

Project Location: 42nd Ave SW, Seattle, 98136

Comment: I am interested purchasing the Turtl crawl space cover and having it installed. I was directed to your web site in regards to this as you may sell and install this item. Please contact me if this is accurate so I can set up an appointment with your company. Thank you

Project Location: NE 42nd St, Seattle, 98105

Comment: Current we noticed wet carpet in basement floor but we don't know where it comes from.

Project Location: NE 169th, Seattle, 98155

Comment: I have water seepage into my basement from the foundation floor. I am looking for solutions to this problem.

Project Location: N 130th St, Seattle, 98133

Comment: Currently, the Basement is flooding, I hope the contractor comes to my house and get me the quote, and solve the problem ASAP. Thank you'

Project Location: N 71st, Seattle, 98117

Comment: New basement remodel and am looking for flooring options

Project Location: 29th Avenue, Seattle, 98122

Comment: I have a basement foundation wall that is leaking and I need an estimate.

Project Location: 17th Ave NE, Seattle, 98115

Comment: I am looking for an larger window in my basement. Thank you!

Project Location: S. Cloverdale St, Seattle, 98118

Comment: My basement is 800 sq. ft. and it is musty. It could benefit from a French drain due to some visible spots of water, but I financially can only buy a dehumidifier. Please let me know your cost. Thanks

Project Location: West Barrett St, Seattle, 98199

Comment: Expand and finish a basement

Project Location: Sw Austin Pl, Seattle, 98106

Comment: My husband,our 3 kids and myself all live in the basement at my in-laws house and we have concrete floors and moisture tends to leak a Lil thru a tiny bit almost not noticeable but with that and 3 kids we had to pull up our carpet to replace it but i don't wanna just put carpet down to get the same result

Project Location: W Garfield ST, Seattle, 98119

Comment: We have a large vertical crack in our concrete basement wall and need for it to be inspected.

Project Location: N 50th, Seattle, 98103

Comment: We are the new owners of a home with a basement system sump pump. We have a small pool of water coming up through a crack in our basement floor.

Project Location: 41st E, Seattle, 98112

Comment: Water in basement after rain..

Project Location: Winona, Seattle, 98103

Comment: Basement remodel, including under pinning of existing foundation (new foundation pour), currently basement floods when it rains, looking for help to create a solution that will ensure the basement stays dry when the remodel is complete