The whole process was like a breeze. It was easy to schedule for an estimate and work. The quality is top notch, and they restored the landscaping back to the original look that it is hard to notice any difference. The pricing is transparent and they provide professional suggestions on what can be done to improve the drainage system. I have hired them three times and highly recommend them to anyone who is looking for a drainage system contractor.
About Allied Waterproofing & Drainage
Allied Waterproofing & Drainage is a company dedicated to providing quality workmanship and cost-effective solutions for drainage, waterproofing, sewer, and water pipe replacement since 1991. With core values of quality, honesty, integrity, and reliability, they have built a strong reputation in the community.
Customers consistently praise the company for its professional service and attention to detail. The team takes the time to clearly explain the work needed and answer questions thoroughly. Scheduling is handled efficiently, and the installation crews are experienced and focused. Many clients report that the work is completed quickly and efficiently, with minimal disruption to their property.
Recent reviews highlight successful projects, including the installation of a channel drain that significantly reduced puddling in a driveway. Customers express satisfaction with the results, noting that the drain worked perfectly even during heavy rain, reducing puddling by about 95%. The workers are described as professional and courteous, with one client appreciating the knowledge and patience of the team leader, Paul, throughout the process.
Allied Waterproofing & Drainage has received commendations for solving issues like water in basements and providing timely solutions, such as sewer pipe repairs. Clients mention the professionalism and cleanliness of the crew, as well as the fair pricing offered. Overall, satisfied customers highly recommend Allied for any waterproofing and drainage needs, emphasizing their flexibility and ability to deliver quality results.
Reviews
I had Allied come out and assess my home issues after I purchased my home and had my first gutter cleaning…where it was pointed out I had a below surface drainage issue. Paul from Allied helped me along the way with advice for above the ground protection as well and fixing the subsurface blockage. They’re good at what they do! 5*s and I would highly recommend!
Absolutely exceptional service and support! I searched all over for someone to help me solve a downspout backing up/overflowing issue. Needed someone with a camera, geolocator, etc. to help me figure out where the drainage lines went under the pad and what was going wrong. They were awesome; helped me find the collapsed line, where the 2 lines went, staked it out, fixed the collapsed line, and matched the concrete with repair. Super helpful and good price for the high quality and service. Erin in the office was great, and Paul knew exactly what he was doing. Thank you so much, will 100% use them again if ever needed.
Photos

Hours
Good to know
- services: leak detection, drain cleaning, concrete sealing
- accepts credit cards
Location
4231 S 3rd Ave, Everett, WA 98203
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