Monarch Plumbing and Rooter Inc
Plumber · Hayward, CA · Open 24 hours per Google listing
Our verdict
4.9★ across 325 reviews; BBB A+ accredited; fast_response=22, communication=15 in 100 analyzed — Eli responded within 2 hours of evening request, sewer line replacement pulled permits and restored street.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Our opinion, based on the 100 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jun 2026 · How we decide ↗
Lists 24-hour service on its Google profile — and reviewers describe after-hours calls.
What reviewers praise
fast_response=22 across 100 reviews; same-evening and next-morning response documented; tech showed up 2 hours after service request submitted late evening
1 cited review
“Jack from Monarch Plumbing saved the day. Within 2 hours of sending the request for help repairing our stuck shower valve, Jack was here. He was super friendly and super fast, even had to make a trip to Lowe's to get the cartridge needed.”
Cited in 3 of the 100 reviews we analyzed — 2 cited reviews not excerpted here.
Sewer line replacement from house to main under street: pulled permits, completed work, restored street — crew of 5 techs coordinated by owner Jose
1 cited review
“Monarch did a sewer line replacement for us in San Ramon. The crew (Adrian, Jason, Manual, Nelson, Candelario) did a great job, from pulling permits, to doing the work and clean up/restoration after. It was a big job, from the house to the main under the street, and everything went smoothly.”
communication=15 across 100 reviews; Cruz notified customer at each milestone; P-trap correction from prior handyman caught and fixed proactively
Cited in 2 of the 100 reviews we analyzed.
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
poor_workmanship=2: two review themes flag workmanship concerns; with 100 analyzed reviews this is a low-frequency signal but warrants noting
Cited in 1 of the 100 reviews we analyzed.
1-star Yelp: confirmed appointment, told customer they'd come at 8am, didn't show until 1:40pm after multiple calls — ~6 hours late on outdoor job
Cited in 1 of the 100 reviews we analyzed.
Keep it in proportion: these concerns are cited in 2 of the 100 reviews we analyzed. Most reviewers report positive experiences — see the full rating picture below.
The evidence — in reviewers' own words
Critical
“Do not book with this company, I book an appt a day before and I did asked if they service my area and they said they do! They said we can be there 5 pm today but it's going to be dark and it's outside work so I asked for the next day before the huge rain is coming! They said we can come at 8 am and I said ok but you are coming from east bay so I said how about 10 am but they did not show !!! At 11:30 am i called …”
“I am writing for a friend who did not have a good experience with this company and the employer named Jack. They called for their shower for the hot handle wasn't turning off an they were unsure if it was a valve or cartridge. He did not understand the concept of the brand of cartridge that they had which is a delta. Delta only has two cartridge for that brand, and they decided to try multiple different brands and …”
Positive
“I would highly recommend Monarch plumbing. Very good company quality work. Cruz came and helped me out at our house with two sinks that were clogged up. Not only did he unclog the sinks he changed out the P-trap that the last handyman installed incorrectly. Cruz does quality work and is also very respectful. He always contacted me when job was finished or if there was a little problem that he can still fix. I would …”
“We had a fantastic experience with Jack and German from Monarch Plumbing. Jack was very prompt, professional, and quickly diagnosed the issue that had been giving us trouble in his first visit. What really stood out was his patience in explaining the problem and the solution in a way that was easy to understand. After diagnosing the problem, Jack returned promptly with German, and they both completed the repair …”
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
Newest review in our sample: Feb 2026.
Across platforms
Should you hire Monarch Plumbing and Rooter Inc?
Hire if
- You need fast same-day or after-hours response
- You need clear communication and upfront explanations
Think twice if
- You need warranty-grade work on a complex or high-stakes install
- You need rock-bottom prices with zero flexibility on the quote
Advice derived from the review analysis above — how we decide.
Own Monarch Plumbing and Rooter Inc?
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