Ryan
9/2/2025
Great experience working with Armando and Chan drainage. Armando came out to assess my house in the middle of a major storm, putting together a thoughtful and comprehensive proposal. Even though I...
Chan Drainage and Moisture Control
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742 Bradley Ave
Novato, CA 94947
Chan Drainage in Novato, CA, specializes in crawl space services, encapsulation, drainage solutions, and repairs. With a focus on Marin County, Sonoma County, and surrounding areas, Chan Drainage prides itself on offering top-rated solutions for all drainage needs.
Founded by Armando Chan, the company began its journey in 2006, focusing on crawl space insulation, vapor barriers, and interior drainage. Chan Drainage now provides a range of services including sump pump installation, crawl space encapsulation, french drains, and more. Their dedication to quality work and customer satisfaction sets them apart in the industry.
Locally owned and operated, Chan Drainage is fully licensed and insured, ensuring superior craftsmanship and honest pricing. Customers can expect free on-site estimates and a 100% satisfaction guarantee, making them a reliable choice for all drainage solutions in the Novato area.
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Reviews
5.0100 reviewsOlivier M.
10/15/2025
Armando and his crew have earned my complete trust over the past six years. They're professional, reliable, responsive, and fairly priced. But what really sets them apart is their commitment to...
Jenn L.
10/6/2025
The job was to install a channel drain. Our existing 5" square drain could not handle the heavy rain we've been getting. Plus it didn't take long for leaves to clog it, resulting in water flooding...
Sarah V.
9/6/2025
The owner Armando is on time, professional, and stands by his work. He did our crawl space and also fixed our HVAC vents. Would 100% trust him again for any other work we need.
Walt M.
5/28/2025
Needed a failed sump pump replaced (it was over 10 years old). Setup the appointment and the crew of 2 arrived on time. They got right on the task and quickly removed the failed unit and swapped...
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