Business Details
1402 Puyallup Street, Sumner, WA
98390, United States
Certified by Groundworks • May 17, 2026
(253) 553-3529
Certified by Groundworks • May 17, 2026
https://www.groundworks.com/
Certified by Groundworks • May 17, 2026
About
Certified by Groundworks • May 17, 2026
Waterproofing CompanyConcrete ContractorFoundation ContractorWater Damage Restoration
Groundworks proudly serves SeaTac, WA and King County with expert foundation repair, basement waterproofing, and crawl space repair services, helping homeowners across the greater Seattle area protect their homes. We fix cracked foundations, settling homes, wet basements, and crawl space moisture issues with proven, long-lasting solutions. Our team specializes in foundation stabilization, basement waterproofing systems, and crawl space encapsulation designed for Western Washington’s wet climate. Serving SeaTac, Seattle, and Tacoma, Groundworks is the trusted local choice for keeping your home safe, dry, and structurally sound.
Details
- Requires appointmentAvailable
- Onsite servicesAvailable
Location
Certified by Groundworks • May 17, 2026
Hours
Certified by Groundworks • May 17, 2026
Monday4:00 AM - 8:00 PM
Tuesday4:00 AM - 8:00 PM
Wednesday4:00 AM - 8:00 PM
Thursday4:00 AM - 8:00 PM
Friday4:00 AM - 8:00 PM
Saturday5:00 AM - 8:00 PM
Sunday7:00 AM - 8:00 PM
Frequently Asked Questions About Groundworks
What services does Groundworks specialize in?
Groundworks specializes in foundation repair, foundation inspection, concrete lifting and repair, basement waterproofing, crawl space repair, and crawl space encapsulation for both residential and commercial properties.
Where is Groundworks located?
Groundworks is located at 18915 16th Avenue S, SeaTac, WA 98188, United States.
What are the operating hours of Groundworks?
Groundworks operates Monday to Friday from 4:00 AM to 8:00 PM, Saturday from 5:00 AM to 8:00 PM, and Sunday from 7:00 AM to 8:00 PM. They are closed on December 25 and January 1.
Does Groundworks require appointments for services?
Yes, Groundworks requires appointments for their services.
What payment options does Groundworks accept?
Groundworks accepts American Express, Cash, Check, Discover, Financing, Mastercard, and Visa as payment options.
How can I schedule a free inspection or book a service with Groundworks?
You can call Groundworks at +1 253-553-3529 or book online through their website's contact page to schedule a free inspection or service.
What language services are offered at Groundworks?
Groundworks offers services in English.
Are there any nearby trucking and freight services close to Groundworks?
Yes, nearby trucking and freight services include Graham Trucking, Commodity Forwarders Inc, and Expeditors, which may be helpful for commercial clients needing transportation or freight logistics.
Are there any home improvement or contractor businesses near Groundworks?
Yes, nearby contractor and home improvement businesses include Pebble Tile Mosaics, Cascade Stoneworks, Coverall Stone, and Mono Rooftop Solutions, which customers might visit for complementary home repair or renovation needs.
What nearby amenities can customers visit before or after their appointment at Groundworks?
Customers can visit nearby places like Aunt Becky's Deli for sandwiches, Fascinations Toys & Gifts for hobbies, or Velo Transit for bike rentals and sporting goods.
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