West Peak Trenchless & Plumbing
“Remained in communication with me and my husband to let us know the progress.”
Best Drain Cleaning Services near South San Francisco, CA
2 of these contractors are based in South San Francisco; the others serve South San Francisco from towns including San Francisco (7 mi), San Mateo (9 mi) and San Carlos (14 mi).
8 open 24/7 · 12 open weekends · 13 rated 4.5+ · 9 show a license
Data verified October 18, 2026
Genteel Plumbers
“They were SO responsive and kept me in the loop on when they would arrive and what they were going to do before they did the work.”
O'Grady Plumbing
“He added a service (snaking our french drain) he wasn't expecting and went out to get the correct parts for the toilet -we had ordered the wrong parts.”
Heise's Plumbing
“Even though they were fully booked, they made room in their busy schedule to replace my water heater the same day I called.”
Lutz Plumbing Inc
“They completed the work, which included replacing the water source with a more efficient option, as well as switching out the old fans and sensors in all 9 wall units.”
Advanced Plumbing & Drain
“Alex came exactly when he said he would, and used his considerable expertise to diagnose and then fix the problem.”
The 14 companies listed for South San Francisco, 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.
Area overview: South San Francisco, CA
The 14 contractors on this page are rated from 4.3 to 5.0 across 5,027 reviews; all 14 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), responsiveness (81%) and quality (73%). The topics that come up most in reviews of the contractors on this page are "efficient", "estimates" and "price". 8 are open around the clock; 11 are open on Saturdays and 11 on Sundays. 9 show a license on their websites and 6 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 93 years. 8 offer emergency call-outs; 2 offer financing or payment plans; 7 give free estimates; 8 are family- or locally-owned and 7 list coupons or special offers. We have a website on file for all 14 of the contractors on this page; 13 publish a contact page; 11 list a public email and 3 take bookings online. 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.
Are any of the listed drain crews available overnight?
Overnight availability is claimed by 8 of the 14 listings here. A backup that has reached the floor is worth the night rate, because standing sewage is a health problem, not a plumbing one. A slow sink is not. Ask what the after-hours charge covers and whether camera work waits for daylight.
Chosen Rooter & Plumbing Inc.
“Our service rep came and was able to troubleshoot the issues with our hot water not working in our shower, and fixed the problem without us having to replace the piece.”
Wizard Plumbing
“They were able to diagnose my problem almost instantly and were able to fix it immediately.”
A.B. Plumbing Service San Francisco
“Our water heater was leaking and i called ab plumbing to fix it, they told me they have a 2 hour window arrival but they arrived in 30 mins which is very amazing and they were so professional.”
Bell Plumbing
“Jakob had to come to house twice and he kept me informed.”
Caccia Plumbing
“In addition to doing high quality work (installing hot water recirculator and replacing the inner parts of my toilet tank), I learned a lot from his visit.”
Gladiator Rooter and Plumbing
“I have been “taken for a ride” by plumbers before, and have always found Gladiator to be a voice of reason, and I will never go anywhere else.”
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In & Out Plumbing and Construction
“It was so impressive we immediately rolled into a second project of a new bathroom addition where they continued to show a willingness to go above and beyond to do a good job - and again without breaking our budget”
R & L Plumbing
“Robert was an excellent Plumber, he stayed and finished the job through and through.”
Why these companies made our list
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