4.7 
20 *The Angi rating for Basement Waterproofing companies in Sultan, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
*The HomeAdvisor rating for Basement Waterproofing companies in Sultan, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
Last update on March 15, 2025
Serving Sultan, WA and surrounding areas
Approved
In business since 1974
Free estimates
Warranties offered
"Corey and David of John's Waterproofing Company took our project and had a commercial grade gas water heater installed and running in place of our old one the same day they received our call for service. Thank you John's Waterproofing."
+7
Serving Sultan, WA and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"They insulated our garage. They did a great job. Timely and they did a great job cleaning up after they were done."
+46
Serving Sultan, WA and surrounding areas
Approved
In business since 2011
Free estimates
Warranties offered
"I called Andy after discovering a basement leak. Andy after a few photos immediately knew the source and with some phone guidance we were able to solve the problem. He even refused my offer to pay"
Serving Sultan, WA and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"Excellent service and very thorough with explanation and getting the right. I researched many skylight installation companies and decided to hire Ari and Elijah. I will recommend my colleagues and friends and family. I will absolutely use this roofing company for any roof work on my house."
Serving Sultan, WA and surrounding areas
Approved
In business since 1983
Free estimates
Emergency services offered
"Greg and his team were wonderful to work with from the start. It's going to improve our house and our life to stop having water in the basement everytime it rains. We can finish our basement and actually use the space now! Thanks for being so easy to work with and delivering a quality drain system."
+11
Serving Sultan, WA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Warranties offered
"Iconiq Construction Service did an amazing job finishing our basement. The team was professional, efficient, and detail-oriented. The results were outstanding, creating a functional and beautiful space. Highly recommend their services!"
+2
Serving Sultan, WA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"Punctual and very communicative I am very happy how my project turned out! No more water in my basement!!"
+15
Serving Sultan, WA and surrounding areas
Approved
Super Service Award Winner
In business since 2013
Emergency services offered
Warranties offered
"This company is so professional and kind. Anthony, the rep who came to do the estimate on a basement kitchen sink and shower installation was so knowledgeable. and patient, My elderly mother has moved in and is making our finished basement her new home, he addressed all her concerns and helped to make some smart choices. Lexi, the phone coordinator was lovely as well."
Serving Sultan, WA and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Had wiring replaced throughout home. Great service with minimal drywall damage"
+26
Serving Sultan, WA and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"They did an excellent job and everything was done on time and with exactness. They work very professionally but they also had fun as they worked. The final price ended up being right on with what the estimated price was. They provided all the materials and they cleaned up when they were finished and didn’t leave a mess behind for us to have to clean up. They listened to us and to what our desires were and then they explained the different options that we had. They were very respectful not only to us but to our property. They showed up on time when they said they would be here and the project was completed when they estimated it would be done. We would definitely recommend them for any plumbing job you have, we will call them for any future needs we have."
+2
From average costs to expert advice, get all the answers you need to get your job done.
Need to fix basement water problems or safeguard your home in Seattle, WA from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
An unfinished basement has a lot of potential. So, how much does it cost to finish a basement in Seattle, WA? Read on for all cost factors.
Find out the average basement remodel cost in Seattle, WA. Learn what you can expect to pay for local basement finishing services and plan your budget today.
Dealing with a damp basement? Follow these steps for DIY basement waterproofing to keep water and moisture out and boost your home’s energy efficiency.
Struggling with a damp basement? Learn about basement waterproofing and how these tips can help keep your basement safe from the elements.
Can’t seem to get rid of the moisture and mold in your basement? Learn why basements tend to hold moisture and how to get rid of moisture in the basement.
