Top-rated basement waterproofing pros.

Best basement waterproofing pros near Steilacoom, WA

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Top-Rated Basement waterproofing pros in Steilacoom - Updated Nov 2026

Avatar for TerraFirma
TerraFirma
4.0(
100
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - RepairBasement Drainage Channels - Install

Serving Steilacoom, WA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"Had huge foundation problems at a project of mine on the waterfront. We used terrafirma to both waterproof the entire basement AND lift the foundation. 10/10 would recommend. extremely communicative, very knowledgeable, and even brought a crew in from Oregon to help us stay on schedule. Oscar and jorge got the job done extremely quickly and Seth was fantastic as my project manager."
A System Design Specialist helping a homeowner
Encapsulating a crawl space
Fleet of vehicles in our Portland, Oregon locatio
Loading up our truck for a piering job
Loading up a truck for a waterproofing job

+33

Response time2 hrs
Response rate100%
89 neighbors recently requested a quote
Avatar for Puget Sound Builders & Renovation
Puget Sound Builders & Renovation
5.0(
1,372
)
Basement Drainage Channels - Install

Serving Steilacoom, WA and surrounding areas

Approved

In business since 2006

Credit card accepted

Customers say: True professional

"This basement remodel by Puget Sound BNR transformed an underused area into a beautiful and practical living space. From improved flooring and lighting to a fresh modern design, every detail added comfort and value. The finished basement now serves as a versatile area for relaxing, entertaining, or spending quality family time."
Bathroom Renovation
Basement Remodel
Bathroom Renovation
Basement Remodel
Kitchen Remodeling

+23

10 neighbors recently requested a quote
Near Me Roofing Company
5.0(
74
)
Basement Drainage Channels - Repair

Serving Steilacoom, WA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"We had Near Me Roofing Company re-shingle my 2 story house. The crew was professional , clean and on time. On our first day, it started to rain and they were happy to re-schedule to another day of the week. We were very satisfied with the finished product and would recommend them."
Response time4 days
Recommended by80%of homeowners
Avatar for Harts Plumbers, Electricians, & HVAC Technicians
Harts Plumbers, Electricians, & HVAC Technicians
4.6(
1,464
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Steilacoom, 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."
Prep Area
Waterfall Finished!
Excavation jobs and more!
 install grease trap for commercial kitchen
Delivery of Shoring

+334

40 neighbors recently requested a quote
Recommended by86%of homeowners
Triton Excavation INC
4.6(
41
)
Basement Drainage Channels - Install

Serving Steilacoom, WA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"A-Plus did a fantastic job in demolishing the concrete around my pool, breaking up the pool, placing the concrete chunks in the pool, and filling and compacting the fill dirt. Suzanne provided timely and clear communication throughout the project and left my back yard in perfect condition. I would absolutely hire A Plus again to do work for me."
Response time2 days
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Diversified Crawlspace Servs
Diversified Crawlspace Servs
3.9(
25
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Steilacoom, WA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"We had a foot of water in our crawl space after the snow and 6 in. of rain from the December 2021 storms. I had called several companies to come out to take a look and give quotes. Ethan from diversified was the 3rd quote we received. Ethan explained the issue, explained what they would do to remedy it, and answered all my questions. He sent me the quote which was very resonable. BE SURE TO GET SEVERAL QUOTES. ONE COMPANY QUOTED US DOUBLE OF WHAT WE PAID DIVERSIFIED. They were able to get a team out two days later. The team was on time, professional, and did really good work. We ended up needing a sump pump due to ground water coming up. They applied a mold application and completed the work in a day. I highly recommend these guys and did my research prior to having them do the work. I am very impressed and happy we chose them."
crawlspace drainage
crawlspace drainage
crawlspace drainage
crawlspace drainage
crawlspace drainage

+18

6 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Zoom Drain of Washington
Zoom Drain of Washington
5.0(
5
)
Basement Drainage Channels - Repair

Serving Steilacoom, WA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Great company, called about a backed up toilet. They were able to come out first thing the following morning. Jordan and Jeremy showed up in the freezing cold and cleared the clog on the drain line very quickly. They also took extra time to scope and jet the line and found a busted pipe and extensive roots in the lines as well. They got everything cleaned out very quickly and left me with a product to help keep the roots away till we can get the pipe fixed and possibly get a liner installed in the future. I would recommend Zoom drain as they were fast, professional and reasonably priced. Thank you for great service."
Camera Inspection, Push Rod
Camera Inspection
Super service truck
Dedicated Jetter
Professional Technicians

+15

5 neighbors recently requested a quote
Recommended by60%of homeowners
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Basement Waterproofing FAQs, answered by experts

Yes, you can technically make a crawl space liveable, but the only way to do so is by converting it into a basement. While some crawl spaces are big enough to walk through and store large items, they lack appropriate insulation and space to be liveable.

Ideal humidity conditions generally range from 30% to 50%, with 45% considered optimal humidity for most homes. If your humidity levels drop below that range, you can turn your dehumidifier off. Additionally, suppose the temperature where the dehumidifier is installed falls below 60 degrees Fahrenheit. In that case, it's best to turn it off and unplug it since cooler temperatures can cause the unit's coils to freeze.

“Basement waterproofing” sometimes refers to applying a waterproof sealant to basement walls, in which case you would use a waterproof paint, often made of latex. However, there are many methods you can use to waterproof a basement, including exterior drainage systems, interior drainage systems, dehumidifiers, and more. As such, the materials you use can vary depending on the methods you use.

Yes, these services often increase home value by preventing moisture-related issues and enhancing the usable space in basements or crawlspaces.

You should always hire a structural engineer or a professional and licensed foundation repair company for crawl space repair. These professionals will often be able to treat the symptoms of the issue as well as the underlying problem so that you don’t have ongoing damage. They’ll also often take preventative measures to stop the issue from recurring in the future.

The Steilacoom, WA homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.