Zo Plumbing and Drain Cleaning LLC
Plumber · Rockville, MD · Open 24 hours per Google listing
Our verdict
4.9 stars with 137 reviews; showed up on a Saturday night when 4 other plumbers couldn't for a sewage-in-basement emergency — within 30 minutes with 2 techs at reasonable price.
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 Jun 2026 · How we decide ↗
Lists 24-hour service on its Google profile — and reviewers describe after-hours calls.
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
Saturday-night sewer emergency: 4 other plumbers turned it down, Zo responded within 30 minutes with 2 technicians
Cited in 1 of the 5 reviews we analyzed.
Fair pricing cited in 3 of 5 reviews including for full sewer line replacement and repiping
1 cited review
“Our old sewer line was completely corroded and collapsing. They performed a full sewer line replacement and repiping, and the difference is night and day. The crew was professional, efficient, and respectful of our property throughout the entire process.”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
Communicated throughout basement flood repair and went above and beyond on a weekend PVC pipe leak
1 cited review
“Had a PVC pipe leak in my ceiling below the master bathroom and I needed someone fast. Called Zo Plumbing and they were incredibly easy to reach, quick response and great communication from the start. When you have water leaking through your ceiling on a weekend, you find out real fast who actually shows up and delivers. Zo Plumbing did exactly that.”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
What reviewers report — the concerns
We looked for patterns of complaints in the 5reviews we analyzed and didn't find any. That's rare — but it's a reading of published reviews, not a guarantee.
The evidence — in reviewers' own words
Positive
“I appreciate the work done by the crew. They were quick to figure out the issue and fixed at a reasonable price! Highly recommend Zo Plumbing!”
“We had a serious plumbing emergency and are so grateful we called Zo Plumbing team. Our old sewer line was completely corroded and collapsing, causing major issues underground. They quickly diagnosed the problem and explained everything clearly with a detailed estimate showing us exactly where the pipe corrosion was happening. They performed a full sewer line replacement and repiping, and the difference is night …”
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 137 reviews so far. Treat this as a first read.
Newest review in our sample: Mar 2026.
Should you hire Zo Plumbing and Drain Cleaning LLC?
Best for
- Emergency and same-day calls
- Budget-conscious homeowners
- Emergency and burst pipe repair
- Sewer line repair and replacement
Hire if
- You need fast same-day or after-hours response
- You need a plumber who actually shows up when scheduled
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 Zo Plumbing and Drain Cleaning LLC?
You can respond to our analysis, correct business facts, or dispute the accuracy of a quoted review. Responses that check out get published on this page, and factual errors get corrected — see our corrections policy. We don't remove accurate quotes, but we'll re-run your assessment as your reviews change.
Find plumbers near you
Zo Plumbing and Drain Cleaning LLCisn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: Ijamsville · Unionville · Tuscarora