Wet Basement Services in Redmond, WA | Waterproofing & Mold Remediation
7353 148th Ave NE, Redmond, WA 98052
Service Capabilities
- Moisture control repair
- Moisture control inspection
- Waterproofing inspection
- Waterproofing repair
- Sump pump installation
- Moisture or vapor barrier repair
- Moisture control installation
- Mold remediation
About the Company
Founded in Poland in 1983 by a skilled craftsman, Wet Basement Services moved to the Seattle area in 1991 and has since provided over 30 years of permanent water and mold control solutions for basements and foundations. As a division of Greenwood International, the company specializes in interior and exterior waterproofing, French drains, waterproof membranes, vertical drains, sump pump installation and repair, moisture barrier installation and repair, and mold remediation. Their proprietary Extreme Water Abandonment (EWA) system manages hydrostatic pressure and prevents mold growth, backed by a lifetime warranty. Serving Redmond and the Greater Seattle area for over four decades, they address common local issues like drywall water damage from ice dams, mold after water damage, and garage water intrusion. Located near Redmond Town Center and Marymoor Park, the team is familiar with the area's unique soil and weather patterns, ensuring basements become habitable again free from water and mold.
Questions and Answers
How does your sump pump installation help prevent basement flooding in Redmond?
Our sump pump installation is designed to actively remove groundwater before it enters your basement. We assess the water table around your foundation and install a reliable pump system, often paired with a backup battery. This is especially important in Redmond neighborhoods near the Sammamish River where heavy rain can cause rapid water accumulation.
What steps do you take to fix ice dam water damage in Redmond basements?
Ice dams on roofs can force water into basement walls and floors. We start with a moisture control inspection to locate all affected areas. Then we dry and treat the space, install vapor barriers, and apply waterproofing membranes to prevent future seepage. Our EWA system also addresses any hydrostatic pressure that may worsen the damage.
Can you remove mold that grows after a water damage event?
Yes, mold remediation is a core service. After stopping the water source, we test for mold spores and remove contaminated materials like drywall or insulation. We then apply antimicrobial treatments and install moisture barriers to prevent regrowth. This is critical in Redmond’s humid climate, especially after floods or leaks.
Business Location & Hours
| Mon: | 7:30 AM - 5:00 PM |
| Tue: | 7:30 AM - 5:00 PM |
| Wed: | 7:30 AM - 5:00 PM |
| Thu: | 7:30 AM - 5:00 PM |
| Fri: | 7:30 AM - 5:00 PM |
| Sat: | Closed |
| Sun: | Closed |








