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Company Awards
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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Federal Way, WA Skilled Foundation Repair & Crawl Space Repair

Happy Customers Surrounding Federal Way, WA
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Basement waterproofing, crawl space repair, foundation repair, & more

For over 10 years, TerraFirma has been Federal Way, WA's trusted name in foundation repair, wet basement repair, crawl space repair, and crawl space encapsulation. This experience means you can have confidence in our excellent customer service, superior products, and skilled craftsmanship, because not only have we left behind long-lasting repairs, but also extremely happy customers!

Don't delay, solve damp basement floors, tilting foundation walls, humidity in the crawl space, and more with TerraFirma! We promise to get the job right, with warrantied products and solutions, the first time!

Call 1-844-311-8051 or click below to schedule a FREE home inspection & service estimate for any of our home repair solutions in Federal Way, WA!

Proven structural repair products & solutions

Whether your home has tilting or bowing foundation walls, basement floor cracks, settling soils, or other signs of foundation damage, TerraFirma has warrantied Supportworks products and solutions proven to provide adaptable, long-lasting repairs to your Federal Way, WA home. Not only do our solutions restore your foundation but they also guard your structure against further damage.

Call today to schedule a free foundation assessment and service estimate in Federal Way, WA. During your inspection, one of our system design specialists will provide an initial review of your foundation with a service estimate -- they will also guide you through the entire foundation repair process!

Our foundation repair services include:

  • Pier systems
  • Structural repair services
  • Foundation wall repair systems
  • Spray concrete
  • And more!

Crawl space restoration & sealing services

Crawl spaces with sagging floor joists, mold growth, rotting, pooling water, and other signs of damage make the rest of your Federal Way, WA home's structure vulnerable, as damage can worsen and spread. That is why we at TerraFirma use warrantied CleanSpace and Basement Systems solutions that are guaranteed to provide long-lasting repairs and protection for your crawl space.

Once your crawl space is secure and restored, we can then encapsulate your below-grade space to seal it from the elements and to provide added storage space!

Our crawl space repair & encapsulation services include:

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

Wet basement repair & security

After rain, sleet, or snow does your Federal Way, WA basement have leaky walls, wet floor cracks, pooling water, or other water infiltration issues? TerraFirma can help with warrantied Basement Systems products that can be adapted to suit your home!

Whether you need waterproof flooring, drainage systems, sump pumps, dehumidifiers, or more, we have a proven system guaranteed to restore your wet basement and protect it from further damage!

Our basement waterproofing services include:

  • Waterproof wall & floor products
  • Water heater protection
  • Basement dehumidifier
  • Basement sump pump
  • Wall crack repair services
  • Interior & exterior drainage solutions
  • Window well drains
  • Downspout extensions
  • And more!

Basement waterproofing, foundation repair, & crawl space repair contractors

TerraFirma has been your trusted basement waterproofing, foundation repair, crawl space repair, crawl space encapsulation, and earthquake retrofitting contractors since 2005. With over 10 years of reliable customer service, high-quality products, and proven solutions, we have not only restored homes across Federal Way, WA, we have also left behind many happy customers!

Call 1-844-311-8051 or click below today to schedule a FREE, no-pressure service estimate for any of our solutions in Federal Way, WA!

Work Requests From Federal Way, WA
in Federal Way
Gutter drainage/basement dewatering issue
in Federal Way
I have a daylight basement that when it rains water seems to come in along a couple of the walls. Possibly a foundation issue, but not sure. I have a tri-level and this is in my family room downstairs.
in Federal Way
House is settling to a noticeable uneveness floor, countertop, door frame, etc.
in Federal Way
Uneven walkway, and various cracks in patio plus driveway with various cracks
in Federal Way
Crawlspace drainage, ducting & insulation and encapsulation.
in Federal Way
I need a quote of cleaning crawl space of rodent and moisture.
Serving the following Federal Way, WA zip codes
98003, 98023, 98063, 98093, 98003, 98023, 98063, 98093
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