Underdeck Essentials
Waterproofing
Serving Cologne, MN
From Google Business Profile
5.0
23 Google reviews
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–3 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Waterproofing service
View on Google Maps →Last checked October 12, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 12
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Jul 2026
Rich and Robin here from Waconia. "Underdecking" is a very understated word for the this finished product. " Outfdoor Classy Elegance" is a better way to describe what we recieved. Robin says, "The look and elegance exceeds my expectations…
5 out of 5 stars · Dec 2025 · Owner replied
We had the underside of our 3 season porch, our deck, and our stairs leading off the deck completed by Underdeck Essentials. Additionally we had them add lights and a fan to this space as well. We could not be happier with the finished…
5 out of 5 stars · Jul 2025 · Owner replied
Exceeded expectations! I couldn’t be more pleased that I went with Underdeck Essentials. From the owner to their sales and installation crew they were all courteous and professional. They cleaned up at the end of each day and at the end of…
The owner replied to 4 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 12, 2026.
About waterproofing in Cologne
Basement waterproofing contractors stop leaks with drainage systems, sump pumps and sealing. Waterproofing contractors install interior drain tile and sump pumps, exterior membranes, crack injection, window well drainage, vapor barriers and dehumidifiers to keep basements dry.
Typical cost: $3,000–$12,000 for interior drainage systems. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Identify the water source: Grading and gutters may solve problems for less.
- Compare interior and exterior options: Ask for pros and cons of each.
- Ask about the sump pump: Get pump brand, capacity and backup options.