84
StrongSan Francisco, California · Drains & sewer
Drain & sewer specialists in San Francisco, CA
9 drain & sewer specialists in San Francisco, out of 353 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 9
- Avg. score
- 67.6
- Scored
- 9
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 9 drain & sewer specialists in San Francisco, California. 9 have enough public signals for a Registry Score, averaging 67.6 out of 100; 5 score 70 or higher. Together they hold 3,797 public reviews on Google, Yelp and Facebook. The highest-scored is Ace Plumbing & Rooter Inc., at 88 out of 100. 2 are Featured for 2026. View Ace Plumbing & Rooter Inc..
Counts come straight from the Registry's records. How the Registry Score works
Featured drain & sewer specialists in San Francisco
83
StrongShowing 1–9 of 9
88
ExceptionalSan Francisco, CA 94103 4.8(2,003 reviews)
PlumbingDrains
84
StrongSan Francisco, CA 94127 4.9(168 reviews)
PlumbingDrains
83
StrongSan Francisco, CA 94109 4.9(96 reviews)
PlumbingDrains
73
Strong72
StrongSan Francisco, CA 94110 4.7(21 reviews)
PlumbingDrains
66
EstablishedSan Francisco, CA 94103 4.7(35 reviews)
PlumbingDrains
60
EstablishedSan Francisco, CA 94133 4.4(7 reviews)
PlumbingDrains
58
EstablishedSan Francisco, CA 94110 4.4(534 reviews)
PlumbingDrains
24
DevelopingDrain & sewer specialists in San Francisco: at a glance
- How many drain & sewer specialists are in San Francisco, California?
- As of October 14, 2026, the ProComfort Registry lists 9 drain & sewer specialists in San Francisco, California.
- Who is the highest-scored drain and sewer specialist in San Francisco, California?
- By Registry Score, Ace Plumbing & Rooter Inc. (San Francisco, CA) ranks first at 88 out of 100, among 9 scored businesses averaging 67.6. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- Which companies are featured in San Francisco, California for 2026?
- ProComfort Registry features Save Now Plumbing & Rooter, Plumbing & Rooter. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are drain & sewer specialists in San Francisco, California ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to drains, sewer lines, rooter, septic or hydro-jetting work. Tags come from each business's public category and name, so a company can appear under several trades. Drain & sewer specialists across the US