Get matched with top foundation drain installation pros in Maple Valley, WA

"I cannot speak highly enough about P4. From start to finish, Eric and his team demonstrated professionalism, reliability, and a commitment to the quality of their work. They provided fair and transparent pricing, took the time to explain our options, and helped us choose the best approach for our drainage work without any pressure. Every phase of the project was handled with precision and care, and the results exceeded our expectations. If you're looking for a company that delivers exceptional results, offers fair pricing, and stands behind their work with integrity I highly recommend P4."

"French drain installation along a retaining wall (75 yards). Thomas who handled the sales end of things was friendly and responsive. The crew showed up on time. They were hard working and receptive of customer feedback. They first removed the ivy that was obstructing the work area and then completed the trench on day 1 which uncovered some of the unwelcome water sources. A legacy footing drain was plumbed directly into the main french drain pipe. Perpherated pipe was dropped in on Day 2 followed by river rock, catch basins, and 3 ft dry well installation. Cleanup was done thoroughly. I would hire them again in a heartbeat."

"I needed only scope and locate my 4" sewer pipe from an exterior cleanout to the house. Rescue Rooter gave me a discount for the work. John the plumber came out. He has 26 years of experience and was very knowledgeable and skilled at using the camera. I've been doing remodeling for 30 years including plumbing installation (drain pipes, copper water pipe repair and installation). In addition to using the electronic locator, he also went old school in using witching sticks to confirm the location of the pipes."

"Easy to work with, very responsive and professional. Would highly recommend them for any foundation work."

"Water had always been a problem for my crawlspace, especially during raining and snowing season. Asking around, installing a French drain and a sump pump appeared to be the solution. I searched around and picked Insulation Co. Estimation without inspection seemed weird at first, but it made totally sense since the foundation layout is all there in the files. Jo had always been responsive, detailed and nice whenever I had questions. Scheduling was easy and Rafael and the team did a great and efficient job onsite. 2 months after the installation, we noticed that there was still standing water and they came back to install more pipes and gravels. We really appreciate the effort."

"Fixed my foundation. Thank you"

"Outstanding work and value. Andy was quick to respond and came out the next day to assess what we needed to do to improve the drainage in our crawlspace. The home is built on a sloped lot. Andy suggested a full perimeter drain install around the foundation. The work also included complete replacement of the vapor barrier. All work was performed efficiently and Andy backed it up with a lifetime warranty. I couldn't be happier with the end result and would highly recommend Andy and his crew."

"Outstanding owner and operator of this concrete business. Rome excavated, installed rock, and finished the concrete for a pickleball court, shed pad, and extension to my driveway. Everything was done perfectly and on time. Exceptionally pleased with the work, workmanship, and the people he hired to complete a multi concrete and excavation project. So very thankful he called during my initial call for help. Excellent job and Rome leaves this project with a lifetime friend in me."

"They did a great job on my concrete installation project!"

"We will be using Schmitty's Plumbing for all of our plumbing work from now on! We were able to get an appointment quickly, and Brian was on-time, pleasant, and professional. He was clear upfront about costs and options, explained the work that was needed, and quickly made the needed repairs at a reasonable cost. We are very happy to have found a plumber that we have confidence in."