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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon18
    Verified foundation drain installation services reviews

Verified Reviews for Foundation Drain Installation pros in Cosmopolis, WA

*The Angi rating for Foundation Drain Installation companies in Cosmopolis, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Drain Installation needs.

*The HomeAdvisor rating for Foundation Drain Installation companies in Cosmopolis, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Drain Installation needs.

Last update on November 06, 2025

Find Foundation drain installation pros in Cosmopolis

Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

932 Industry Dr
5.00(
8
)
•Approved Pro

TerraFirma Foundation Systems

932 Industry Dr
5.00(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
89 local quotes requested

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

Avatar for Groundworks

Groundworks

18915 16th Ave S
4.44(
162
)
•Approved Pro

Groundworks

18915 16th Ave S
4.44(
162
)
•Approved Pro
Customers say: Super punctual
36 local quotes requested
28 years of experience

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

Avatar for Ram Jack West - Seattle

Ram Jack West - Seattle

19904 Des Moines Memorial Dr S
5.00(
14
)
•Approved Pro

Ram Jack West - Seattle

19904 Des Moines Memorial Dr S
5.00(
14
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 local quotes requested

At Ram Jack West, we treat customers with respect and care. If you notice cracks, damages, or other issues with your foundation, our team is ready to help. We have innovative systems that have been refined over our 40+ years of experience.

"Very well. They worked diligently for two days to do the repair."

Bonnie L on October 2025

At Ram Jack West, we treat customers with respect and care. If you notice cracks, damages, or other issues with your foundation, our team is ready to help. We have innovative systems that have been refined over our 40+ years of experience.

"Very well. They worked diligently for two days to do the repair."

Bonnie L on October 2025

Avatar for Renuity

Renuity

2215 W. Lone Cactus Drive
5.00(
3
)
•Approved Pro

Renuity

2215 W. Lone Cactus Drive
5.00(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
219 local quotes requested

Founded in 2016, Renuity operates with the belief that everyone deserves to be treated with the utmost honesty and respect. Our dedicated consultants and KOHLER-certified installation specialists work hard to provide customized products at affordable prices. We are proud to use American-engineered products that provide a lifetime of beauty, and with limited lifetime warranties, you can be sure your investment is well-protected. Our goal is always to provide a positive remodeling experience, and everyone on our staff contributes to making sure we do.

"They were able to start project in a timely manner and finished I 1 day."

Donna B on May 2025

Founded in 2016, Renuity operates with the belief that everyone deserves to be treated with the utmost honesty and respect. Our dedicated consultants and KOHLER-certified installation specialists work hard to provide customized products at affordable prices. We are proud to use American-engineered products that provide a lifetime of beauty, and with limited lifetime warranties, you can be sure your investment is well-protected. Our goal is always to provide a positive remodeling experience, and everyone on our staff contributes to making sure we do.

"They were able to start project in a timely manner and finished I 1 day."

Donna B on May 2025

Avatar for Alpina Mechanical, LLC

Alpina Mechanical, LLC

3229 156th Street SW
4.67(
3
)
•Approved Pro

Alpina Mechanical, LLC

3229 156th Street SW
4.67(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Here at Alpina Mechanical we are a fully licenses and insured HVAC company working with commercial and residential customers. No job is out of our wheelhouse and we do repairs and installs on all HVAc systems. Call now for a free estimate.

"Because of their personnel; exceptional competence, efficiency, and attention to detail, every installation and repair was completed to the highest standards. They provided prompt service, transparent communication, and reasonable prices. Alpina Mechanical was a dependable option for HVAC needs because they continuously provided dependable and high-quality service, regardless of the nature of the work from routine maintenance to emergency repairs."

Cloe G on July 2024

Here at Alpina Mechanical we are a fully licenses and insured HVAC company working with commercial and residential customers. No job is out of our wheelhouse and we do repairs and installs on all HVAc systems. Call now for a free estimate.

"Because of their personnel; exceptional competence, efficiency, and attention to detail, every installation and repair was completed to the highest standards. They provided prompt service, transparent communication, and reasonable prices. Alpina Mechanical was a dependable option for HVAC needs because they continuously provided dependable and high-quality service, regardless of the nature of the work from routine maintenance to emergency repairs."

Cloe G on July 2024

Avatar for Comfort Air Systems

Comfort Air Systems

1704 Division St SW
5.00(
25
)
•Approved Pro

Comfort Air Systems

1704 Division St SW
5.00(
25
)
•Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 local quotes requested

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!

"O"

Lee T on August 2024

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!

"O"

Lee T on August 2024

Allied Renovations, LLC

1600 West 1st Street
4.86(
7
)
•Approved Pro

Allied Renovations, LLC

1600 West 1st Street
4.86(
7
)
•Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

Allied Renovations, LLC, has over 14 years of experience in the construction business. We make sure each and every customer is completely satisfied when we finish the job. Call us today for all your Home Improvement needs.

"Currently using them for a remodel and they have been fantastic so far. Excellent communication and professionalism."

Joseph G on March 2022

Allied Renovations, LLC, has over 14 years of experience in the construction business. We make sure each and every customer is completely satisfied when we finish the job. Call us today for all your Home Improvement needs.

"Currently using them for a remodel and they have been fantastic so far. Excellent communication and professionalism."

Joseph G on March 2022

Avatar for Jump On Board Construction

Jump On Board Construction

Servicing Around
3.83(
6
)
•Approved Pro

Jump On Board Construction

Servicing Around
3.83(
6
)
•Approved Pro
Super Service Award
Customers say: Quick response
80 local quotes requested
3 years of experience

Your satisfaction is very important to us. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Work was completed, but with a lot of issues and lack of communication. Mostly listening and attention to detail. Items purchased/installed without consultation. Wrong doors purchased. Shower walls already detaching from drywall. Had to replace already new water heater because they hooked/unhooked/moved it so many times it fried the electrical board inside it. No accountability for mistakes. Plumbing company in town won't work with them anymore because of their conduct. They didn't know a blower door test was required to pass inspection, so did the work myself. Was constantly told "I'm not making much money off of this" as a way to skirt responsibility. JOBC made the quote, and was told that there was a specific budget. IMO wasn't willing to constantly pay more money, so other jobs took priority. They smoked marijuana in the driveway while working. Not opposed to that generally, but not professional. Was being sued by another client and asked for . Won't hire again."

Matt B on October 2025

Your satisfaction is very important to us. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Work was completed, but with a lot of issues and lack of communication. Mostly listening and attention to detail. Items purchased/installed without consultation. Wrong doors purchased. Shower walls already detaching from drywall. Had to replace already new water heater because they hooked/unhooked/moved it so many times it fried the electrical board inside it. No accountability for mistakes. Plumbing company in town won't work with them anymore because of their conduct. They didn't know a blower door test was required to pass inspection, so did the work myself. Was constantly told "I'm not making much money off of this" as a way to skirt responsibility. JOBC made the quote, and was told that there was a specific budget. IMO wasn't willing to constantly pay more money, so other jobs took priority. They smoked marijuana in the driveway while working. Not opposed to that generally, but not professional. Was being sued by another client and asked for . Won't hire again."

Matt B on October 2025

Avatar for Opportunity Construction

Opportunity Construction

4225 183rd Ave SW
4.75(
16
)
•Approved Pro

Opportunity Construction

4225 183rd Ave SW
4.75(
16
)
•Approved Pro
Customers say: Terrific value
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
135 local quotes requested

We are a general contractor that focuses on the customers needs since 2002. Our primary goal is find solutions that fit into the clients time frame and budget. We work on remodels, rental renovations, handy mans services for general maintenance and repairs, drainage and sewer solutions, decking. Emergency Service. Big or small projects welcome. Let us fulfill your desired needs.

"Opportunity Construction will always be my #1 company to go to for my fencing needs. Here's the reason why. First, from start to finish, Dean Currow was very knowledgeable about installation of fencing. He displayed great customer service, professionalism, attention to details, and was so easy to work with. He was prompt; arriving on time each day. Second, his team of workers were exceptional! They were the best; working hard...non stop, until the last steel panel was in place. Opportunity Construction made my dream come true. They are an A++++ company. Last, I couldn't be happier with the installation. The fence looks beautiful, and from all of the drive-bys, I am sure this company will be receiving a few more calls."

Patti B on June 2025

We are a general contractor that focuses on the customers needs since 2002. Our primary goal is find solutions that fit into the clients time frame and budget. We work on remodels, rental renovations, handy mans services for general maintenance and repairs, drainage and sewer solutions, decking. Emergency Service. Big or small projects welcome. Let us fulfill your desired needs.

"Opportunity Construction will always be my #1 company to go to for my fencing needs. Here's the reason why. First, from start to finish, Dean Currow was very knowledgeable about installation of fencing. He displayed great customer service, professionalism, attention to details, and was so easy to work with. He was prompt; arriving on time each day. Second, his team of workers were exceptional! They were the best; working hard...non stop, until the last steel panel was in place. Opportunity Construction made my dream come true. They are an A++++ company. Last, I couldn't be happier with the installation. The fence looks beautiful, and from all of the drive-bys, I am sure this company will be receiving a few more calls."

Patti B on June 2025

Avatar for Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
577
)
•Approved Pro

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
577
)
•Approved Pro
Customers say: Super punctual
32272 local quotes requested
9 years of experience

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Super helpful"

Michele H on November 2025

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Super helpful"

Michele H on November 2025

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Foundation Drain Installation questions, answered by experts

You might need a permit to modify or repair any portion of your plumbing system, including drainage lines, depending on where you live. In some areas, simple replacements of existing drain lines don’t require a permit. We recommend asking your drain pipe installer or your local building department about permitting requirements. In many cases, only certified plumbers can pull plumbing permits, so you’ll usually need to leave the permit application to your professional. The fee for the permit will be passed to you on your project bill, though.

The best way to keep dirt around your foundation is to ensure your drainage is working properly and redirecting water well away from the foundation. Soil erosion is one of the most common causes of basement flooding, so it’s important to make sure you’re retaining the soil you replaced after learning how to regrade around the foundation. In addition, your foundation planting can also help prevent erosion. For example, plant roots to help keep soil in place.

Houses can be saved after floods if the flood damage is minor, the water recedes quickly, and you take steps to ensure the structural integrity of the building. Knowing whether a structure is safe after a flood and which belongings and materials you can save is challenging, so always rely on a professional to advise you. Your insurance company and local water mitigation and flood restoration companies can offer guidance. As with any construction project, you’ll want to hire licensed and insured contractors, compare bids, and proceed carefully.

If you’re wondering how much water a French drain can handle, a well-designed system manages around 75 gallons per minute. However, the answer varies based on the overall design, slope, and the type of aggregate material used. Additionally, the size of the aggregate used in the system impacts its capacity, with larger aggregate creating larger voids that are able to accommodate more water.

Structural components—like the roof, foundation, walls, windows, and floors—should be addressed first thing when renovating a historic home. It may be appealing to start with more visible cosmetic issues, but structural problems are often the most time-consuming and costly, and dealing with them first can save you some big headaches down the road.

The Cosmopolis, WA homeowners’ guide to foundation drain installation services

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

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