Lorrie T.
9/9/2025
Of course I had an urgent issue...my kitchen sink was not draining and Joe's Plumbing recommended Roy's. They sent Curtis the next morning who was professional and knew exactly how to unclog the...
Roy's Sewer Service
Closed
(145)
Photos
577 Portal St
Cotati, CA 94931
Roy's Sewer Service is a trusted and reliable drain cleaning and inspection company serving Marin and Sonoma counties since 1968. With a team of experienced technicians and state-of-the-art equipment, they specialize in clearing clogged drains and conducting thorough sewer line inspections to identify potential issues.
As a third-generation family-owned business, Roy's Sewer Service takes pride in their legacy of providing top-notch service and expertise in the industry. Known for tackling even the toughest jobs, their dedicated team is equipped to handle challenging terrains and stubborn root problems. With a strong work ethic and a commitment to customer satisfaction, Roy's Sewer Service is the go-to choice for all drain cleaning and inspection needs.
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Reviews
4.5145 reviewsMartin T.
7/31/2025
John and Curtis knocked our slow waste lines efficiently. They didn't leave any mess and demonstrated the requisite knowledge and experience to get a good result. Highly recommended.
Carmen F.
1/9/2025
John G. from Roy's Sewer Service came out on time to clear up my slow vanity sink drain, and to troubleshoot my malfunctioning toilet. He cleared out the sink drain, then went to work on the...
Aaron L.
11/22/2024
Roy's Sewer Service and their technician John G provided excellent service and value in clearing roots from our house sewer line and on short notice. The prospect of our toilets or dishwasher...
Nikhaar S.
10/4/2024
I can't recommend Eian enough! He's hands down the best plumber we've ever worked with. Not only did he fix the plumbing issue we called him for (which he did quickly and efficiently), but he went...
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