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Rainy Day is now Groundworks

Exciting news for our Washington customers! Rainy Day and Matvey, two award-winning local companies with reputations for excellence, are now united under one brand – Groundworks.

Mobile version of Peak Structural hero with CFI in the moutains
inspector showing customers his tablet
Matvey and Rainy Day Merge Messaging

Our Office Locations

Groundworks – Northwest Washington

18931 59th Avenue, Unit 5
Arlington, WA 98223

Groundworks – Seattle

18915 16th Avenue S
SeaTac, Washington 98188

Expert Services in Colorado Springs

Groundworks Experts Assess and Repair a Home Foundation

Foundation Repair

When problems with your home’s foundation arise, it can bring a variety of other issues along with it. Here’s how our specialized solutions can repair your home’s foundation to it’s original stability.

Groundworks Expert explains to home owner the solution installed in their basement

Basement Waterproofing

Curious about wet basement repair? Groundworks provides local residential and commercial basement waterproofing services. We offer free inspections!

Crew installing dehumidifier in an encapsulated crawlspace.

Crawl Space Repair

When it comes to the health of your home’s crawl space, there are many factors and problem signs at work. Knowing what the signs are could help you indicate that it’s time for repairs.

Concrete Lifting

Concrete Lifting

The stability and consistency of the concrete around your home is an important factor to it’s overall aesthetic and wellbeing. Here’s what you should know about the concrete lifting options for your home.

About Rainy Day Crawl Space

In 2006, Dan Malsch founded Rainy Day Crawl Space & Basement and brought residential and commercial foundation repair solutions to the western Washington area. In 2024, Rainy Day Basement & Crawl Space joined forces with Groundworks, the nation’s leading and fastest-growing foundation repair and water management solutions provider and rebranded under the Groundworks name. They will continue to offer industry-leading technology and resources to more customers across Washington. Groundworks provides elite customer service and quality home solutions for all foundation repair, basement waterproofing, and concrete repair needs.

Foundation & Basement Waterproofing Services Near Me

Top-Rated Service

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It all started with the Groundworks Crawl Space commercial and Mr. Mike Rowe doing the "Dirty Job". thats when my wife and i decided to…

It all started with the Groundworks Crawl Space commercial and Mr. Mike Rowe doing the "Dirty Job". thats when my wife and i decided to call Groundworks. We made an appointment and as promised the Inspector arrived right on time, maybe a little early, but he called first. The Groundworks Inspector Mr. Corey Meyers was the best and most prepared inspector that i have ever met. Corey took time to first ask a series of questions and then got dressed up in his protective gear and adorned his assortment of tools and inspected our 100 yr. old crawl space. The inspection was a success. My wife and I are extremely impressed with Corey and the Groundworks company. Thank you so much.

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Had our yearly service today. John was on time and did a great job. He was very kind and answered all my questions. Was glad we scheduled…

Had our yearly service today. John was on time and did a great job. He was very kind and answered all my questions. Was glad we scheduled the service. He said there was a clogged pipe that he had to clear and he cleaned out the sediment in the pump well and replaced the check valve and inspected everything else. I Highly recommend Rainy Day!!

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The Groundworks guys do excellent work. I would definitely have them back for another project. I cringed at the thought of the work they…

The Groundworks guys do excellent work. I would definitely have them back for another project. I cringed at the thought of the work they had to do in my cold, wet, muddy, super tight crawl space, but they showed up and got it done quickly without issue. I now have full perimeter drainage, a sump pump, solid discharge and new vapor barrier all installed neatly that works like a charm. My crawl space is finally dry and I can stop stressing about the rain! Initially I wasn’t sure if this project was worth the money, but these guys made it all worthwhile. Thank you Wyatt, Zane, Tucker and Quevin.

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Zachariah Mulligan is professional, personable, knowledgeable and thorough. His excellent inspection and proposed solutions made a…

Zachariah Mulligan is professional, personable, knowledgeable and thorough. His excellent inspection and proposed solutions made a significant difference. My intermittent water issue was puzzling and frustrating until Zachariah gave me a comprehensive and practical solution. It is difficult to place complete trust in an unknown. Between the Better Business Bureau Rating and Zachariah’s informative explanation of how to mitigate my issue, I am confident that my problem has been resolved. Thank you Zachariah!

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Thank you, Groundwork’s for the numerous jobs! We had our crawl space redone, and driveway/front porch cracks sealed up. Nice and friendly. …

Thank you, Groundwork’s for the numerous jobs! We had our crawl space redone, and driveway/front porch cracks sealed up. Nice and friendly. Respected our home. Shout out to Mkoma, Robert, and Valdo