Bay M.
9/30/2025
We called Roy's Sewer and a real human answered the phone! We had a back up in our Utility sink in the garage. The kitchen sink would drain into the Utility sink, thankfully the dishwasher drain...
Roy's Sewer Service
Closed
(152)
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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
4.5152 reviewsStephen C.
11/17/2025
Roy's has always been my go-to place for drain issues (until I finally had my sewer line replaced). They were great 30 years ago, and I am pleased to say that they are the same today. Curtis...
Ray H.
10/24/2025
Disabled senior 3 Hour Plumbing Nightmare. After two and a half hours the worker decided to bring in the right piece of equipment to do the job. Plus $500 to remove / replace a toilet. $1,250 to...
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...
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