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24 contractors listed · 9 in Covina · 14 open 24/7 · 21 open weekends · 23 rated 4.5+
Data verified October 15, 2026
The 24 companies listed for Covina, CA clear blocked drains and sewer lines. Hours, jetting and camera work, and free estimate claims come from each company's own website. Ask who carries their own jetter rather than subcontracting it before you book.
Of the 24 contractors we list here, 9 are in Covina itself and 15 come from towns including West Covina (2, 3 mi), Glendora (2, 4 mi) and Upland (2, 13 mi). The contractors on this page are rated from 4.2 to 5.0 across 6,159 reviews; 15 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), responsiveness (86%) and quality (82%). 14 are open around the clock; 21 are open on Saturdays and 15 on Sundays. The services the contractors on this page list most often on their websites are drain cleaning (3), water heaters (3), commercial services (2), hydro jetting (2) and leak detection (2). 12 show a license on their websites; 1 lists staff certifications (NATE) and 5 have a BBB rating of A or A+. Domain records put 12 websites of the contractors on this page at ten or more years old; the oldest dates from 1998. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
A website is linked by 20 of the 24 listings for Covina. Look for two things: whether they own a jetter and a camera or hire them in, and whether they show repair work as well as cleaning. A company that only cables will keep coming back for the same line.
