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Elite Service Professional Award
By receiving no homeowner complaints and having more than five five star ratings on our profile, TerraFirma was awarded the... [Read more]
Home Advisor Top Rated Company
TerraFirma earned the "Top Rated" award from Home Advisor, a home improvement website that millions of homeowners trust to help... [Read more]
Inc. Fastest-Growing Private Companies in America
TerraFirma Foundation Systems ranked 1,1718 out of 5,000 companies on Inc. Magazine's Fastest Growing Private Companies in America. In Oregon,... [Read more]
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TerraFirma serving Renton, WA

Basement waterproofing, foundation repair, crawl space encapsulation & more. Call today for your FREE estimate or complete the form to the right!

Happy Customers Surrounding Renton, WA
Work Requests

Click the icons to see what our customers had to say.

Foundation, crawl space, basement waterproofing services in Renton

TerraFirma has been fixing problematic basements, crawl spaces, & more since 2005. Our Supportworks and CleanSpace memberships grant us access to exclusive repair, waterproofing and encapsulation systems not available from other contractors nearby. Call TerraFirma today for a no cost, no obligation estimate for our array of repair services.

Our services in Renton:

  • Basement Waterproofing
  • Crawl Space Repair
  • Crawl Space Encapsulation
  • Foundation repair
  • Commercial foundation services

Basement waterproofing in Renton:

Renton homeowners know the symptoms of a leaky basement. There may be standing water, water leaking through the floors and walls, mold growth and other unpleasant signs. Luckily, TerraFirma has developed a comprehensive basement waterproofing system, guaranteed to keep your basement dry for years to come.

Our basement waterproofing solutions:

  • Waterproof walls
  • Waterproof flooring
  • Dehumidifier & sump pump installation
  • Interior & exterior drains
  • Downspout extensions
  • And more!

Call today to add value to your basement, and cleaner, healthier air to your home. We offer no cost, no obligation estimates in Renton!

Crawl space encapsulation & repair

TerraFirma crawl space repair & encapsulation services:

  • Downspout extensions
  • Crawl space vapor barriers
  • Crawl space access wells & doors
  • Crawl space sump pumps

Are you interested in lowering utility bills, improving interior air quality, eliminating mold growth and adding usable storage space to your Renton property? If yes, TerraFirma is your one-stop-shop for crawl space repair and encapsulation. Our unique CleanSpace encapsulation system provides homeowners with quality, tested crawl space products and expert contractors to ensure the job is done right.

Call today to schedule an inspection of your home's crawl space and receive a no cost, no obligation FREE estimate for repair.

Foundation repair services

At TerraFirma, we know the importance of a solid foundation, which is why we offer an array of foundation repair options like pier systems, structural repair services, spray concrete, foundation wall repair, cracked wall & floor repair & more!

Call, email or complete the provided form to learn more about our foundation repair, crawl space repair & our other services!

Work Requests From Renton, WA
in Renton
Detached garage slab sinking in one corner. Need evaluation please
in Renton
Concerns with shifting of 1956 home. Crack in the ceiling and you can feel the dips in the hardwood floor. Would like an assessment and recommendations for repair.
in Renton
Need a quote for clean up/treatment and insulation
Queen Ave Ne in Renton
Some signs of foundation slipping-- stair cracks, drywall cracks.
in Renton
Foundation cracks and sloping floors.
Se May Creek Park Dr in Renton
My crawl is maybe 100 square feet and looks very similar to the before picture in your video I saw on Facebook. Nice are getting in through the floor I believe. Would like to cover it so they can't get in.
Hoquiam Avenue NE in Renton
Crawlspace clean up. Poor energy efficiency, weird smell in one end of home. We know there has been raccoons and/or cats under there in past.
in Renton
We cut a hole in the foundation to access the crawl space. Concerned it is structurally sound. Large settling crack inside the house just above that spot, crack was there prior to cutting, and it got bigger after we cut.
Cedar Ave S in Renton
I have a slab on my front porch that has begun to sag to one side. It supports part of the roof and has cracked some of the sidewalk. I would like to see if you could provide an estimate to raise and stabilize it.
in Renton
We recently purchase a 780 Sq feet home that is in need for leveling due to some unsettling/cracked post and pillars.
in Renton
Fireplace Hearth has cement blocks that are tilting Also need Crawl Space restoration
in Renton
Basement the has water during the wettest times of the year Additional information: Main Area of Concern: Basement
Cedar Ave So in Renton
There is water accumulation in the crawl space which was not there before. Propose a solution of a drain system that will connect to the storm drain in the street.
in Renton
Wet crawl space with rodent history. I'd like an estimate to seal and closed cell foam the underside, depending on costs.
in Renton
Leaking converted Garage
Morris Ave S in Renton
Water in crawl space. Please contact me for estimate. Thanks
Stevens Ct NW in Renton
We have a below grade crack in our basement foundation with ground water seepage. It does not appear to be structural, my hopes are to have the crack sealed from the interior via epoxy injection.
Bronson Way NE in Renton
Basement egress window and waterproofing.
in Renton
We would like information on encapsulating our 1000 sq Ft mid-century rambler. Please send your free booklet. Thanks
Serving the following Renton, WA zip codes
98055, 98056, 98057, 98058, 98059, 98055, 98056, 98057, 98058, 98059