Get matched with top basement waterproofing pros in Port Townsend, WA
Enter your zip and get matched with up to 5 pros
Need a pro for your basement waterproofing project in Port Townsend, WA?
Select your specific project to find the pro for you.
TRUSTED BY PORT TOWNSEND, WA HOMEOWNERS
4.4 Average homeowner rating
14 Verified basement waterproofing services reviews
Verified Reviews for Basement Waterproofing pros in Port Townsend, WA
*The Angi rating for Basement Waterproofing companies in Port Townsend, 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 Port Townsend, 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 January 21, 2026
Find Basement waterproofing pros in Port Townsend
Square 1 Venture Group, LLC
Square 1 Venture Group, LLC
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience
It doesn't have to be hard to maintain your property. You can turn to Square 1 Venture Group LLC for top-notch Crawl Space services or painting services. We'll take the time to understand your unique needs, then complete your job with expert skill and efficiency. Rely on us to update your residential l property in the Sequim, Port Townsend, Port Angeles areas. Clean outs, Insulation, French Drains, Structural Repairs, Foundation Repairs and more, I have over 35 years in the industry!
"I rate the job of cleaning our power washing our exterior house (great care to not damage the older painting, but cleaned the grime and dirt), and our walkways and driveways. Jon is a lovely man who was very prompt, estimate the time for the job perfectly, and left our old home and exterior in much better than I thought it might look. Don't have any hesitant to hire this company. The charge for the job was very reasonable. Thank you Jon, and I hope to see you again."
Dottie F on June 2023
It doesn't have to be hard to maintain your property. You can turn to Square 1 Venture Group LLC for top-notch Crawl Space services or painting services. We'll take the time to understand your unique needs, then complete your job with expert skill and efficiency. Rely on us to update your residential l property in the Sequim, Port Townsend, Port Angeles areas. Clean outs, Insulation, French Drains, Structural Repairs, Foundation Repairs and more, I have over 35 years in the industry!
"I rate the job of cleaning our power washing our exterior house (great care to not damage the older painting, but cleaned the grime and dirt), and our walkways and driveways. Jon is a lovely man who was very prompt, estimate the time for the job perfectly, and left our old home and exterior in much better than I thought it might look. Don't have any hesitant to hire this company. The charge for the job was very reasonable. Thank you Jon, and I hope to see you again."
Dottie F on June 2023
Rain Pros Inc
Rain Pros Inc
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
20 years of experience
Rain Pros is Puget Sounds premier full-service drainage company, with a reputation of unmatched customer service and exceptional quality. Our professionals have years of experience in drainage installation, repair and maintenance. We are very proud to be growing company and leader in each of our fields. For bid requests regarding the installation of a new drainage system please email our general manager ([email protected]). For drainage repair and inspection requests please contact our service coordinator at (253) 678-7111, additionally you can email- [email protected] to immediately cue for with our service department.
"Joel (salesman), Pepe and Lucio (foremen) did a GREAT job, start to finish. Every last laborer demonstrated a positive attitude along with a top-notch work ethic. And when the project was completed, one could NOT even see where any of the digging took place. Of a certainty, Rain Pros has got MY vote!"
Michael W on January 2026
Rain Pros is Puget Sounds premier full-service drainage company, with a reputation of unmatched customer service and exceptional quality. Our professionals have years of experience in drainage installation, repair and maintenance. We are very proud to be growing company and leader in each of our fields. For bid requests regarding the installation of a new drainage system please email our general manager ([email protected]). For drainage repair and inspection requests please contact our service coordinator at (253) 678-7111, additionally you can email- [email protected] to immediately cue for with our service department.
"Joel (salesman), Pepe and Lucio (foremen) did a GREAT job, start to finish. Every last laborer demonstrated a positive attitude along with a top-notch work ethic. And when the project was completed, one could NOT even see where any of the digging took place. Of a certainty, Rain Pros has got MY vote!"
Michael W on January 2026
Andy Construction LLC
Andy Construction LLC
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience
We are not a big company that you have to go through all the phone calls. Owner Andy Zhang will be the one to answer the phone, provide you the bid, and supervise and inspect the work before finish. We are so confident in our work, quality, and over all experience that we don't need any money down. Our customers don't pay us anything until the work is done and customer is happy! For a house on the market, in most cases, we allow owner pay the full bill through escrow at closing. We pride ourselves in treating every customer with honestly.We looking forward to hear and serve you soon!
"They did a great job"
Chris D on May 2025
We are not a big company that you have to go through all the phone calls. Owner Andy Zhang will be the one to answer the phone, provide you the bid, and supervise and inspect the work before finish. We are so confident in our work, quality, and over all experience that we don't need any money down. Our customers don't pay us anything until the work is done and customer is happy! For a house on the market, in most cases, we allow owner pay the full bill through escrow at closing. We pride ourselves in treating every customer with honestly.We looking forward to hear and serve you soon!
"They did a great job"
Chris D on May 2025
Groundworks
Groundworks
Customers say: Quick response
29 years of experience
Free onsite estimate
Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE! GROUN**76305
"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"
Charles W on May 2025
Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE! GROUN**76305
"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"
Charles W on May 2025
Groundworks
Groundworks
Customers say: True professional
31 years of experience
Free onsite estimate
Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the Seattle area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.
"We cannot say enough good things about the help and care Ernest Vigil gave us from the start of our crawl space project to the end. He returned our calls and emails promptly and helped guide us each step of the way. He went above and beyond when a problem arouse to find local help to quickly come out to help address and fix the problem. Mathew from Puget Sound Water Rescue one of the local company is a good company to have on call. And your team members from Georgia were outstanding. We have several neighbors who have watched the care and quality we received with ground works and have said they will be the first company they will call when they are ready to have work done on their homes. Thank you, Ernest and the rest of your team for treating us like you would a member of your own family. It has been a pleasure working with you. Cindy and Alan D."
Cindy D on January 2026
Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the Seattle area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.
"We cannot say enough good things about the help and care Ernest Vigil gave us from the start of our crawl space project to the end. He returned our calls and emails promptly and helped guide us each step of the way. He went above and beyond when a problem arouse to find local help to quickly come out to help address and fix the problem. Mathew from Puget Sound Water Rescue one of the local company is a good company to have on call. And your team members from Georgia were outstanding. We have several neighbors who have watched the care and quality we received with ground works and have said they will be the first company they will call when they are ready to have work done on their homes. Thank you, Ernest and the rest of your team for treating us like you would a member of your own family. It has been a pleasure working with you. Cindy and Alan D."
Cindy D on January 2026
TerraFirma Foundation Systems
TerraFirma Foundation Systems
Customers say: Quick response
21 years of experience
Free onsite estimate
Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.
"Great; competitive price, installation went great, friendly and responsive staff in person and office"
Andrew M on February 2020
Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.
"Great; competitive price, installation went great, friendly and responsive staff in person and office"
Andrew M on February 2020
TerraFirma Foundation Systems
TerraFirma Foundation Systems
Customers say: Quick response
21 years of experience
Free onsite estimate
Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.
"Had a sump pump installed. Haven’t had a repeat of the problem."
Edward H on December 2025
Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.
"Had a sump pump installed. Haven’t had a repeat of the problem."
Edward H on December 2025
Groundworks
Groundworks
26 years of experience
Free onsite estimate
Based in Phoenix, AZ, we specialize in foundation repair, basement waterproofing, concrete leveling, and crawl space repair. Serving Arizona, we deliver reliable solutions for businesses and commercial properties. Contact us today!
"Gauge is a Representative who puts his Clients first. He reminds me, of a younger me. (This says a lot, because I was always a top notch Sales Rep and I retired early, as a result of my personal efforts and how I always did, as I said, and placed my Clients as top priority). I have yet to begin my project, but he won over my business and I?m excited to see the results. I?m confident they will exceed my expectations."
Martin "Rocky" B on January 2026
Based in Phoenix, AZ, we specialize in foundation repair, basement waterproofing, concrete leveling, and crawl space repair. Serving Arizona, we deliver reliable solutions for businesses and commercial properties. Contact us today!
"Gauge is a Representative who puts his Clients first. He reminds me, of a younger me. (This says a lot, because I was always a top notch Sales Rep and I retired early, as a result of my personal efforts and how I always did, as I said, and placed my Clients as top priority). I have yet to begin my project, but he won over my business and I?m excited to see the results. I?m confident they will exceed my expectations."
Martin "Rocky" B on January 2026
BUILDING PERFORMANCE PROS LLC
BUILDING PERFORMANCE PROS LLC
1 years of experience
Free onsite estimate
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"The workers were on time. Very efficient. They did a blower door test and found the air leaks and insulated these areas. Blew installation above the garage, cleaned out the crawl space and put new installation there and basement. Found a water leak from my toilet,Thank goodness. Covered everything in the basement and swept and cleaned up after. I would recommend them!"
Nancy W on October 2025
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"The workers were on time. Very efficient. They did a blower door test and found the air leaks and insulated these areas. Blew installation above the garage, cleaned out the crawl space and put new installation there and basement. Found a water leak from my toilet,Thank goodness. Covered everything in the basement and swept and cleaned up after. I would recommend them!"
Nancy W on October 2025
A Better Crawl Inc
A Better Crawl Inc
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
A Better Crawl, Inc. email- [email protected]. Service area covered: Kitsap, Mason and parts of Pierce county, The Kitsap and Olympic Peninsulas, Olympia and vicinity.
"What did we not need...? They quickly and efficiently replaced everything in our crawlspace... insulation, missing screens, open external access, etc. And they installed a barrier beneath a bay window that had allowed animal access to the crawlspace ever since the home was built in the 80s. Very professional and friendly. I highly recommend them!"
Robert S on July 2018
A Better Crawl, Inc. email- [email protected]. Service area covered: Kitsap, Mason and parts of Pierce county, The Kitsap and Olympic Peninsulas, Olympia and vicinity.
"What did we not need...? They quickly and efficiently replaced everything in our crawlspace... insulation, missing screens, open external access, etc. And they installed a barrier beneath a bay window that had allowed animal access to the crawlspace ever since the home was built in the 80s. Very professional and friendly. I highly recommend them!"
Robert S on July 2018
Basement Waterproofing questions, answered by experts
The Port Townsend, WA homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.
•Sump pump replacement costs depend on the type of unit you have and the cost of labor, which varies by region. Read on to find out more about what to expect.
Crawl space repair costs can seem intimidating, but putting them off can lead to bigger issues. Learn about repair costs in this guide to set your budget.
•Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
Crawl space encapsulation can make a big difference if you’re experiencing issues with mold, mildew, and pests. Here’s what you need to know.
Wondering how to get rid of musty smells in your basement? Get rid of them permanently using this DIY guide and learn when to call a pro.
If you have water in your basement, knowing who to call and when can make the difference between a quick solution and worsening property damage.
- Coupeville, WA Basement waterproofing pros
- Chimacum, WA Basement waterproofing pros
- Port Hadlock, WA Basement waterproofing pros
- Clinton, WA Basement waterproofing pros
- Sequim, WA Basement waterproofing pros
- Oak Harbor, WA Basement waterproofing pros
- Port Ludlow, WA Basement waterproofing pros
- Stanwood, WA Basement waterproofing pros
- Camano Island, WA Basement waterproofing pros
- Langley, WA Basement waterproofing pros
- Hansville, WA Basement waterproofing pros
- Carlsborg, WA Basement waterproofing pros
- Freeland, WA Basement waterproofing pros
- Quilcene, WA Basement waterproofing pros
- Port Gamble, WA Basement waterproofing pros
- La Conner, WA Basement waterproofing pros
- Lopez Island, WA Basement waterproofing pros
- Kingston, WA Basement waterproofing pros
- Tulalip, WA Basement waterproofing pros
- Mukilteo, WA Basement waterproofing pros
- Poulsbo, WA Basement waterproofing pros
- Marysville, WA Basement waterproofing pros
- Indianola, WA Basement waterproofing pros
- Suquamish, WA Basement waterproofing pros
- Edmonds, WA Basement waterproofing pros
- Everett, WA Basement waterproofing pros
- Woodway, WA Basement waterproofing pros
- Keyport, WA Basement waterproofing pros
- Mount Vernon, WA Basement waterproofing pros
- Lynnwood, WA Basement waterproofing pros
What do you need done? We’ll find top pros.
- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"