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Verified Reviews for Basement Waterproofing pros in Ravensdale, WA
*The Angi rating for Basement Waterproofing companies in Ravensdale, 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 Ravensdale, 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 December 13, 2025
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Rain Pros Inc
Rain Pros Inc
Rain Pros is Puget Sounds premier full-service sprinkler and drainage company, with a reputation of unmatched customer service and exceptional quality. Our professionals have years of experience in drainage and irrigation 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 sprinkler or drainage system please email our general manager ([email protected]). For drainge 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.
"The work was done quickly and efficiently. Communication was very easy, clear, pleasant. The work was very good and I highly recommend them. The clean up wasn't thorough so they sent someone out immediately to finish the job."
Joan G on September 2025
Rain Pros is Puget Sounds premier full-service sprinkler and drainage company, with a reputation of unmatched customer service and exceptional quality. Our professionals have years of experience in drainage and irrigation 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 sprinkler or drainage system please email our general manager ([email protected]). For drainge 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.
"The work was done quickly and efficiently. Communication was very easy, clear, pleasant. The work was very good and I highly recommend them. The clean up wasn't thorough so they sent someone out immediately to finish the job."
Joan G on September 2025

Wu Construction
Wu Construction
Wu Construction Inc, specializes in drainage and foundation systems construction and repair. Since our founding in 1983, we have successfully completed thousands of projects for homeowners and businesses throughout the Northwest. We are the best in our industry, and well regarded by our customers for our excellent service. We are lauded for our speedy responses to inquiries, our efficiency and the quality of our work.
"Great communication and thorough work. Would hire again."
Brian J on April 2025
Wu Construction Inc, specializes in drainage and foundation systems construction and repair. Since our founding in 1983, we have successfully completed thousands of projects for homeowners and businesses throughout the Northwest. We are the best in our industry, and well regarded by our customers for our excellent service. We are lauded for our speedy responses to inquiries, our efficiency and the quality of our work.
"Great communication and thorough work. Would hire again."
Brian J on April 2025

Iconiq Construction, LLC
Iconiq Construction, LLC
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"I am extremely satisfied with the work completed by Iconiq Construction. Their craftsmanship, communication, and efficiency were impressive. The project turned out even better than I had imagined. Highly recommend their service to everyone."
Michael K on August 2025
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"I am extremely satisfied with the work completed by Iconiq Construction. Their craftsmanship, communication, and efficiency were impressive. The project turned out even better than I had imagined. Highly recommend their service to everyone."
Michael K on August 2025

Andy Construction LLC
Andy Construction LLC
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
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

TerraFirma Foundation Systems
TerraFirma Foundation Systems
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
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

North Pacific Masonry and Construction, LLC
North Pacific Masonry and Construction, LLC
North Pacific Masonry & Construction is Seattles full-service masonry expert, specializing in the essential protection and restoration of your property. We provide critical foundation repair and waterproofing to combat local moisture and ensure your home's stability and dryness. Our skilled masons are also highly experienced in complete chimney repair and restoration, from flue lining to structural rebuilds. From concrete work to decorative stone and brick, we handle all other forms of masonry, delivering quality craftsmanship that lasts. Trust us to secure, restore, and maintain your most vital structures.
"Did a good job and offered solutions to problems that emerged."
Edward H on December 2025
North Pacific Masonry & Construction is Seattles full-service masonry expert, specializing in the essential protection and restoration of your property. We provide critical foundation repair and waterproofing to combat local moisture and ensure your home's stability and dryness. Our skilled masons are also highly experienced in complete chimney repair and restoration, from flue lining to structural rebuilds. From concrete work to decorative stone and brick, we handle all other forms of masonry, delivering quality craftsmanship that lasts. Trust us to secure, restore, and maintain your most vital structures.
"Did a good job and offered solutions to problems that emerged."
Edward H on December 2025

Envirosmart Solution Inc
Envirosmart Solution Inc
We are a local family-owned business that opened its doors in 2004 with our main goal of providing the best customer experience that we can to every single customer from the smallest to the biggest projects and maintain a long term relationship. We are ONE-STOP-SHOP for ALL Energy Efficiency needs. We are located in Renton, WA and gladly serving over 25 cities in the Washington Puget sound area. Our affordable, licensed, insured, and trained workers are here to help make your home safe, energy-efficient and comfortable. We can do: Energy efficiency upgrades and planning, Attic & Crawl space clean up and decontamination, Attic & Crawl space insulation installation. Vapor & Radiant barriers installation. Air Ducts & Dryer vent cleaning & replacement. HVAC, Ventilation installation and repair. Solar fans. HVAC Lighting installation, Generators, Surge protectors.
We are a local family-owned business that opened its doors in 2004 with our main goal of providing the best customer experience that we can to every single customer from the smallest to the biggest projects and maintain a long term relationship. We are ONE-STOP-SHOP for ALL Energy Efficiency needs. We are located in Renton, WA and gladly serving over 25 cities in the Washington Puget sound area. Our affordable, licensed, insured, and trained workers are here to help make your home safe, energy-efficient and comfortable. We can do: Energy efficiency upgrades and planning, Attic & Crawl space clean up and decontamination, Attic & Crawl space insulation installation. Vapor & Radiant barriers installation. Air Ducts & Dryer vent cleaning & replacement. HVAC, Ventilation installation and repair. Solar fans. HVAC Lighting installation, Generators, Surge protectors.

Stop Bugging Me Pest Control
Stop Bugging Me Pest Control
Stop Bugging Me Pest Control is a locally owned and operated service company located in Seattle WA. We offer guaranteed pest control solutions for residential and commercial customers in the greater Puget Sound. At Stop Bugging Me we take an integrated management approach to pest control pulling from years of training and expertise to address your specific issues. Our staff will take your call and work with you to first identify the problem. We will then ask specific questions about your situation and give you a quote based on the information you provide and the square footage of your home. When the technician arrives, he will discuss strategies and follow our exclusive programs to eliminate the problem and leave you with useful recommendations for future control.
"The MOST UNPROFESSIONAL SERVICE CALL, EVER! A twenty-something, long dark-haired guy showed up (no name, as he wouldn’t give it to me). He came in, asked me where the ant problem was. I showed him the trail, collection and path. I told him that I was recovering from pneumonia and didn’t have much voice left, so to “bear with me.” He walked away and told me that he disagrees with me. I questioned, “what do you mean? Why would you be contrary, while I’m telling you our issue-the townhouse neighbor and us, have been passing the ants, back and forth, for 7 years. He told me I was wrong, and they all just hatched. I responded that we had treated our home for ants FOUR times, in the last 6 months. When showing him the area where we saw an ant hill, he was belligerent and condescending, asking me, “is it an ant hill or just a few ants?” I told him I was from the country and knew what an ant hill and ants looked like. This is where it went terribly disrespectful, condescending and offensive. He asked me, “so what kind of ants are these?” I responded, “beg your pardon? They are obviously sugar ants. Why am I being asked that?” He then smirked and said, “how do you know they are sugar ants? How can you tell?” I told him that I didn’t appreciate being called a liar, with regard to our issue and tested, as to my knowledge of ants. He responded, “well, you’re the expert!” I could not believe what I was hearing! Who was this person, to come into my home and disrespect me, in such a manner? I wonder if his behavior would have been the same, if it were my husband, he was dealing with. Every time I attempted to speak and explain our insect issue, he would interrupt me, with a rude and contrary statement. He pulled out our kitchen counter items, spotting a busy ant area. He began to spritz the area. I explained that the connected unit would get ants in their kitchen and within hours, I had them in my kitchen and back and forth we went. He dismissively questioned my honesty in stating that he questioned that happening. Again, I was so offended, I wanted to cry. On top of being sick, I had this guy insulting me, in my home! I told him there were also ants in the living and offered to show him where they were, he said, “nope, don’t need to see it.” What? I said to him, I’m not sure what’s going on here, but I don’t appreciate your continued insulting and interruption, when I am sick and trying to get this problem rectified. He, again, insulted me in saying, “well, I know I was out here a few times, and you wouldn’t let us in your place.” I responded, “I have never met you, nor have I ever requested pest services and denied entry. You are literally making that up and you know it.” He smirked and said argumentatively, “well, I’m sure it was you.” I told him, “I don’t appreciate you making up stories, in order to somehow justify that this ant problem has not been rectified. It’s completely inappropriate and unprofessional.” He again smirked. At this point, I told him, “Please just get this handled. I’m very sick and need to lie down.” The most shocking and unprofessional behavior yet? Here it comes…he picked up his bag, walked to the front door and said, “I’m leaving. Your grouchy and rude and let me know when you’re in a better mood and I may come back. Good God, I felt like I was in the twilight zone. I said to him, “this is ridiculous. You don’t get to tear my kitchen apart and then leave, without doing the job? No one is giving you a hard time. What is the matter with you?” He walked out the door. I asked after him, “can you at least leave the ant traps?” He did not even both to turn around and said, “Nope! I didn’t even bring em’.” Wow! He sat out in his truck, for 25 minutes, before pulling off. I am contacting the BBB, the complex management, where we live, and the company owner. The behavior of this pest control representative, made this 59 year old, sick woman, feel disrespected, insulted, discriminated against and verbally abused. This type of behavior, especially inside someone’s home, where you are a guest, cannot happen. I’m not generally intimidated, but felt very unsafe, with this pest guy. It is now the middle of the night, and, with pneumonia, I had to clean up the ants and disinfect the area, that he left unattended, and still have ants, all over my kitchen. Absolutely unprofessional and unacceptable. I am sure your company does not advocate for this type of black mark on your reputation and look forward to hearing from you regarding this unprofessional experience."
Melissa R on March 2025
Stop Bugging Me Pest Control is a locally owned and operated service company located in Seattle WA. We offer guaranteed pest control solutions for residential and commercial customers in the greater Puget Sound. At Stop Bugging Me we take an integrated management approach to pest control pulling from years of training and expertise to address your specific issues. Our staff will take your call and work with you to first identify the problem. We will then ask specific questions about your situation and give you a quote based on the information you provide and the square footage of your home. When the technician arrives, he will discuss strategies and follow our exclusive programs to eliminate the problem and leave you with useful recommendations for future control.
"The MOST UNPROFESSIONAL SERVICE CALL, EVER! A twenty-something, long dark-haired guy showed up (no name, as he wouldn’t give it to me). He came in, asked me where the ant problem was. I showed him the trail, collection and path. I told him that I was recovering from pneumonia and didn’t have much voice left, so to “bear with me.” He walked away and told me that he disagrees with me. I questioned, “what do you mean? Why would you be contrary, while I’m telling you our issue-the townhouse neighbor and us, have been passing the ants, back and forth, for 7 years. He told me I was wrong, and they all just hatched. I responded that we had treated our home for ants FOUR times, in the last 6 months. When showing him the area where we saw an ant hill, he was belligerent and condescending, asking me, “is it an ant hill or just a few ants?” I told him I was from the country and knew what an ant hill and ants looked like. This is where it went terribly disrespectful, condescending and offensive. He asked me, “so what kind of ants are these?” I responded, “beg your pardon? They are obviously sugar ants. Why am I being asked that?” He then smirked and said, “how do you know they are sugar ants? How can you tell?” I told him that I didn’t appreciate being called a liar, with regard to our issue and tested, as to my knowledge of ants. He responded, “well, you’re the expert!” I could not believe what I was hearing! Who was this person, to come into my home and disrespect me, in such a manner? I wonder if his behavior would have been the same, if it were my husband, he was dealing with. Every time I attempted to speak and explain our insect issue, he would interrupt me, with a rude and contrary statement. He pulled out our kitchen counter items, spotting a busy ant area. He began to spritz the area. I explained that the connected unit would get ants in their kitchen and within hours, I had them in my kitchen and back and forth we went. He dismissively questioned my honesty in stating that he questioned that happening. Again, I was so offended, I wanted to cry. On top of being sick, I had this guy insulting me, in my home! I told him there were also ants in the living and offered to show him where they were, he said, “nope, don’t need to see it.” What? I said to him, I’m not sure what’s going on here, but I don’t appreciate your continued insulting and interruption, when I am sick and trying to get this problem rectified. He, again, insulted me in saying, “well, I know I was out here a few times, and you wouldn’t let us in your place.” I responded, “I have never met you, nor have I ever requested pest services and denied entry. You are literally making that up and you know it.” He smirked and said argumentatively, “well, I’m sure it was you.” I told him, “I don’t appreciate you making up stories, in order to somehow justify that this ant problem has not been rectified. It’s completely inappropriate and unprofessional.” He again smirked. At this point, I told him, “Please just get this handled. I’m very sick and need to lie down.” The most shocking and unprofessional behavior yet? Here it comes…he picked up his bag, walked to the front door and said, “I’m leaving. Your grouchy and rude and let me know when you’re in a better mood and I may come back. Good God, I felt like I was in the twilight zone. I said to him, “this is ridiculous. You don’t get to tear my kitchen apart and then leave, without doing the job? No one is giving you a hard time. What is the matter with you?” He walked out the door. I asked after him, “can you at least leave the ant traps?” He did not even both to turn around and said, “Nope! I didn’t even bring em’.” Wow! He sat out in his truck, for 25 minutes, before pulling off. I am contacting the BBB, the complex management, where we live, and the company owner. The behavior of this pest control representative, made this 59 year old, sick woman, feel disrespected, insulted, discriminated against and verbally abused. This type of behavior, especially inside someone’s home, where you are a guest, cannot happen. I’m not generally intimidated, but felt very unsafe, with this pest guy. It is now the middle of the night, and, with pneumonia, I had to clean up the ants and disinfect the area, that he left unattended, and still have ants, all over my kitchen. Absolutely unprofessional and unacceptable. I am sure your company does not advocate for this type of black mark on your reputation and look forward to hearing from you regarding this unprofessional experience."
Melissa R on March 2025
The Ravensdale, WA homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover how much sump pump installation costs, including average prices, key cost factors, and tips to save on your basement waterproofing project.

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.

Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.

Foundation draining issues can cause a lot of problems for your house Learn how to spot these drainage problems so you can figure out how best to repair them.

Crawl space maintenance is a necessary part of keeping your home protected and energy-efficient. Follow these tips to properly maintain your crawl space.

Waterproofing your basement is important to protect your home. Follow these tips to ensure that you hire the right waterproofing contractor for the job.
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