Basement Waterproofing & Crawl Space Repair
in Seattle, Tacoma, Olympia & Bellevue WA Areas

Why Choose Us:

  • 19 Serving Northwest Washington
  • Lifetime Warranty for Basement Waterproofing Systems
  • Patented, High-Quality Products
  • Smart Financing Options
  • FREE Estimates and Fast Installation for Homeowners

Seattle Basement Systems provides superior crawl space repair and basement waterproofing services throughout Greater Seattle. Our skilled technicians will guide you through the process, showing you and your property the respect they deserve.

We provide basement drainage systems, sump pumps, crawl space encapsulation, energy efficient dehumidifers, and much more!

 Get a Free Estimate


Our Basement & Crawl Space Services

Wet basement repair

We have the most effective solution for wet leaky basements.

Crawl space moisture control and structural repair in Greater Seattle

We improve the health and energy efficiency of your home by insulating the crawl space.

Patented sump pumps for the basement and crawl space in Greater Seattle

Keep your basement dry all the time with a sump pump system you can always count on!

SaniDry Basement Dehumidifier

Gain control of mold and allergens from entering your home by eliminating humidity.

Sagging Crawl Space Repair

We permanently stabilize sinking crawl spaces with our warranted crawl space jack posts.

Crawl Space Insulation

Insulating & sealing the crawl space will improve home comfort and indoor air quality.


Ready to begin your Basement or Crawl Space Project?

Call or contact us today to learn more or to schedule a free estimate. We service Tacoma, Seattle, Olympia, Bellevue, Kent, Puyallup, Renton, Auburn, Redmond, Federal Way, and the surrounding areas in Washington.

Patented, proven basement waterproofing solutions

As part of the Basement Systems dealer network, we have access to the highest quality and most effective products for basement waterproofing. We can customize a drainage system for your basement’s specific needs, depending on your foundation type and your home’s unique condition.

Our different sump pump systems can handle heavy water evacuation, and many feature battery backups, alarms, and extra pumps, reducing the chance of a basement flood to statistical insignificance. We have the products and experience to guarantee your basement is waterproof.

Crawl space encapsulation, insulation, and support systems

With our patented solutions for crawl space encapsulation, we can repair moisture intrusion issues, mitigate mold or mildew growth, and prevent structural damage caused by wood rot. If you’re suffering from a sagging crawl space, we have support systems manufactured for that exact purpose.

We also provide insulation specifically designed for the crawl space. A properly encapsulated and insulated crawl space will bolster the energy efficiency of the home while also promoting healthy indoor air quality. Another additional benefit is that the floors above the crawl space will be much warmer after installing insulation.

Ready to begin your Basement or Crawl Space Project?

Call or contact us today to learn more or to schedule a free estimate. We service Tacoma, Seattle, Olympia, Bellevue, Kent, Puyallup, Renton, Auburn, Redmond, Federal Way, and the surrounding areas in Washington.

Looking for a price? Get a no cost, no obligation free estimate.

Financing Available
Serving WA including the Greater Seattle area
Our Washington Service Area
Cities in Douglas County, WA
Orondo

Cities in Grant County, WA
Beverly

Cities in King County, WA
Auburn
Baring
Bellevue
Black Diamond
Bothell
Carnation
Duvall
Enumclaw
Fall City
Federal Way
Issaquah
Kenmore
Kent
Kirkland
Maple Valley
Medina
Mercer Island
North Bend
Pacific
Ravensdale
Redmond
Renton
Sammamish
Seattle
Skykomish
Snoqualmie
Vashon
Woodinville

Cities in Pierce County, WA
Anderson Island
Ashford
Bonney Lake
Buckley
Camp Murray
Carbonado
Dupont
Eatonville
Elbe
Fox Island
Gig Harbor
Graham
Lakebay
Lakewood
Longbranch
Mcchord Afb
Milton
Orting
Puyallup
Roy
Spanaway
Steilacoom
Sumner
Tacoma
University Place

Cities in Thurston County, WA
Lacey
Olympia
Yelm

Please call us at: 1-206-388-5858
We Accept Credit Cards
Seattle Basement Systems accepts these credit cards