Promo Plumbing Inc
Plumber · San Mateo, CA
Our verdict
They show up fast and communicate well, but one neighborhood job left a messy aftermath that damaged properties—worth asking about their cleanup protocols before hiring.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Our opinion, based on the 5 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jul 2026 · How we decide ↗
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
Exceptional responsiveness: 4 of 5 reviews highlight quick arrival and same-day service, with one emergency call at 4am handled professionally
2 cited reviews
“On time, cleared main sewer line, very professional”
“Called ahead, quoted day before, followed up when on their way”
Cited in 4 of the 5 reviews we analyzed — 2 cited reviews not excerpted here.
Strong proactive communication: 3 reviews specifically praise advance notice, day-before quoting, and real-time updates when running behind schedule
2 cited reviews
“Called ahead, quoted day before, followed up when on their way”
“On time, cleared main sewer line, very professional”
Cited in 3 of the 5 reviews we analyzed — 1 cited review not excerpted here.
Fair pricing with transparency: 2 reviews explicitly mention no hidden charges and honest quotes; one team even coordinated with insurance to confirm coverage
1 cited review
“On time, cleared main sewer line, very professional”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
Attention to detail on quality jobs: 2 reviews note extra effort like protecting floors with booties and restoring landscaping/driveways after main line replacement
1 cited review
“Called ahead, quoted day before, followed up when on their way”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
What reviewers report — the concerns
Other directories bury these. We think you should read them before you call. Every concern below comes from the reviews it cites.
Red flag
One significant incident of property damage and negligence: workers left construction debris that blocked street access for a week and deliberately ignored requests to clean up spilled dirt that damaged neighboring drains
“Left a mess behind, dirt clogged drain, workers ignored the problem”
Site cleanup failures on larger neighborhood projects: 1 review details crew leaving dirt across multiple properties for over a week, clogging reviewer's drain despite workers witnessing the damage and ignoring it
“Left a mess behind, dirt clogged drain, workers ignored the problem”
Keep it in proportion: these concerns are cited in 1 of the 5 reviews we analyzed. Most reviewers report positive experiences — see the full rating picture below.
The evidence — in reviewers' own words
Critical
“Promo Plumbing did work in the neighborhood and left a mess behind. Dirt was left all over the street and in front of multiple homes, including mine. At least three of their workers saw that my drain had filled with dirt from their work and completely ignored it. Neighbors had to spray water themselves just to try to clear the dirt from their driveways, and the dirt ended up clogging my drain and piling up in front …”
Positive
“Loni was excellent to work with. He arrived promptly, explained everything thoroughly, and made sure I understood my options. He worked with me to resolve the issue and genuinely seemed to care about doing the job right. Loni communicated clearly, was professional and honest, and there were no hidden or surprise charges. It’s not often you find someone who takes such pride in their work and treats customers with …”
“We love Promo Plumbing. We found them by chance through Home Service and they are our go to. Loni and his partner were here today, on time, cleared the main sewer line and replaced a flange for the toilet. They made calls to Home Service to confirm the issues were covered. Very professional, I highly recommend Promo Plumbing!”
Quotes are reproduced verbatim from public reviews on the platforms shown; we select which to feature, and selection reflects our editorial judgment. Report a quote that doesn't match its source ↗
The rating picture
Small sample — we've analyzed only 5 of 103 reviews so far. Treat this as a first read.
Newest review in our sample: May 2026.
Own Promo Plumbing Inc?
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Find plumbers near you
Promo Plumbing Incisn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: Half Moon Bay · Daly City · Stanford · Newark