18931 59th Ave NE
Arlington, WA 98223
Mon-Fri 7:00am-4:30pm
In business since 2006

RAINY DAY BASEMENT SYSTEMS is a regional dealer for the Basement Systems International Waterproofing Contractor Network servicing Snohomish, Skagit, Island, San Jaun, and Whatcom counties. Our mission is to provide crawl space and Basement Waterproofing in NW Washington.

With 25+ years of construction, home improvement, and basement waterproofing in Washington, Rainy Day Basement Systems is completely dedicated to the Basement Systems philosophy and approach to controlling water, moisture, humidity, and other crawlspace and basement problems.

Our mission is to provide high-quality custom-designed systems with sump pumps, dehumidifiers, crawl space vapor barriers, and total service to each customer within the communities we serve. Our intelligent, proven approach to the design and installation of permanent solutions results in dry below grade spaces.

We're happy to serve Anacortes, Arlington, Bellingham, Bow, Bothell, Burlington, Camano, Clear Lake, Concrete, Conway, Coupeville, Edmonds, North Creek, Darrington, Ferndale, Friday Harbor, Gold Bar, Lake Stevens, Lopez, Lynden, Marblemount, Marietta, Marysville, Mount Vernon, Oak Harbor, Orcas, Rockport, Samish, Sedro Woolley, Skykomish, Smokey Point, Snohomish, Stanwood, Sudden Valley, Sultan, Tuliap, and all surrounding areas in Northwestern Washington.

By Tom G.
"Dan did a great job explaining the system along with the different options. We knew right upfront..."
By Marli S.
"Thanks, Dan, Tom, Jerry, Nate and all the other crew members who worked on our basement and crawl..."
By Mike H.
"Superior quality of work, quick response time, and friendly service from start to finish. Would..."
By Kathy R.
"Great job! Thanks so much! I never have to worry about my dining room sinking again."
Kathy W.
Concrete, WA
Very polite, hard working and thorough. Very informative about products and recopmmended applicatinons.
Renee and Patrick M.
Arlington, WA
Looks great, nice clean work. Dan seemed trustworthy. Trusted our referral also. Happy with the job :)
Gary and Susan S.
Arlington, WA
Very good job and professionally done

Dan Malsch is Awarded as a Salesman

Rainy Day is Awarded for Sales in 2013

Awarded Dealer for Total Sales at convention

Kevin Clark

Project Coordinator

Dan Malsch

President; Certified Waterproofing Professional

Russ Dyer

Service Technician