Wet Basement Services Mission

To revive water and mold damaged basements into healthy, usable spaces.

Schedule Your Free Inspection and Quote

Wet Basement Services Mission

To revive water and mold damaged basements into healthy, usable spaces.

Schedule Your Free Inspection and Quote

About us:

We are a family owned, knowledge-based, and mission-driven local company with thousands of happy clients and ongoing relationships. When we give you our bullet-proof warranty we enter into a relationship with you and we have your back covered no matter what. Don’t just take our word for it; ask our clients! We’ll gladly provide you with a list of references.

Our Mission:

To revive water and mold damaged basements into healthy, usable spaces. 

A Word From the President:

I am Jerzy Radka, the CEO and founder of Wet Basement Services. Allow me to share a deeply personal story about the dangers of mold. My wife, a cancer survivor and a mother of five, has endured a lifetime of health challenges directly related to the mold-infested home she grew up in. These illnesses, including fibromyalgia and autoimmune diseases, are irreversible and have significantly impacted her quality of life.

When my wife was growing up, the dangers of mold were largely unknown. Her home, while charming and old, was unknowingly a toxic environment. Upon completion of my Master’s Degree in Forestry, my postgraduate studies in environmental protection led me to work closely with medical professionals researching mold's effects on humans. After learning about these risks, I insisted on testing her home, despite the high cost and limited availability of such tests at the time. The results were alarming, revealing dangerous levels of mold.

My wife had no other option but to abandon her belongings and leave the home she'd always known. Unfortunately, the damage had already been done. Mycotoxins are insidious and silent killers. Our experience has taught me the importance of creating safe and healthy living spaces.

Despite her suffering, she remains an incredible woman, facing her challenges with courage and dignity. I love her dearly and witnessing her pain daily has motivated me to prevent others from experiencing what we have. Wet Basement Services was born in 1989 out of this mission. The Seattle area is full of old homes with seasonal water intrusion issues. We have dedicated our hearts and minds to developing a system which provides a permanent solution to our clients which we are proud to guarantee with a lifetime transferable warranty. When you solicit our services, what you get is our professional knowledge, expertise, and efficient communication. Our evidence based approach ensures unbiased results, allowing you to rest easy knowing that you can return to a healthy and habitable space.

Wet Basement Services


Wet Basement Services is the division of Greenwood International that deals specifically with wet basements and homes and mold related issues. The owner, Jerzy Radka, founded this division after his wife was diagnosed with cancer, directly related to mold in the home where she grew up. Embarking on a personal mission to help families realize the dangers of mold and the importance of addressing mold growth before it leads to serious health consequences, Jerzy created EWA, a one-of-a-kind PERMANENT mold-control system.

Wet Basement Services begins with stopping water problems, but the work doesn’t stop there… WBS addresses the real threat posed by un-abated water problems: mold and decay!

Jerzy realizes the importance of permanent mold control and wants to help as many families as possible avoid mold-related health tragedies – not only through his services but also through education and awareness. The WBS website provides a variety of educational materials. In addition, it offers FREE emergency water advice that connects users directly with Jerzy, whose master’s degree in engineering and decades of experience in dealing with mold issues makes him uniquely qualified to help.

Interior Drainage Pipe Area
New Interior Basement Waterproofing Seattle
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Meet The Team

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PRESIDENT

Jerzy Radka


Jerzy Radka was born and raised in Poland. As a youngster, he labored amongst his family’s kiln, making bricks for their landscape business. He later managed the family company’s operations in western and central Europe, where it specializes in restoring and preserving public gardens and historic sites. A true entrepreneur, Jerzy has been self-employed since the age of 16.
Ewa Vice President
VICE-PRESIDENT

Ewa Stefanska-Radka


A knowledgeable horticulturist in her own right, Ewa Radka graduated from a Krakow university with a degree in mathematics and accounting. Married to Jerzy in 1983, she played a key role in launching Greenwood International. She manages much of the business operations, ensuring that the company meets high standards of professionalism and corporate responsibility.
John Superintendent
SUPERINTENDENT

John Cleveland


Knowledgable people person with over 10 years experience in web development, digital marketing and customer support building and maintaining relationships, resolving issues and keeping customers happy.  Has great experience in the landscape industry as well including drainage systems, hardscaping, decks, outdoor lighting, outdoor living, privacy structures and more.