Cupco Plumbing Inc.
Plumber · Round Lake, IL · Open 24 hours per Google listing
Our verdict
Cupco Plumbing holds 4.4★ across 21 reviews; 5 reviews analyzed with 4 five-star and 1 one-star — owner supervision of jobs noted as a strength, but a $790 quote for a frozen pipe issue a tenant self-resolved in 5 minutes is a documented red flag.
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
Owner shows up to verify job quality: three plumbers on-site for a sewage blockage call, including supervisor arriving to confirm work was going well (reviewConsistency=0.36 is low, but positive reviews consistently note thoroughness).
1 cited review
“Great first experience with this company. They were able to respond to a sewage blockage issue in my home the same day I called. Plumber and assistant arrived on time, assessed the problem, gave me multiple options for service. They did the work efficiently, zero mess. Then the supervisor, I believe owner, arrived just to make sure the job was going well.”
Sewer break repair fully explained before work began; avoided unnecessary upsells where a $5k competitor recommendation turned out to be unnecessary after Cupco's diagnosis.
Cited in 2 of the 5 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
With only 21 total Google reviews, 1 of 5 analyzed is a 1-star documenting a $200 dispatch fee + $790 quote for a frozen pipe situation that required no actual plumbing intervention.
“I paid $200 dispatch fee for a technician to come out and troubleshoot the issue. Then the technician quoted $790 to fix the issue. I politely declined the quote because my gut said it was unreasonable and I felt like I was being taken advantage of given our situation. Tenants were able to resolve the issue within 5 minutes.”
$200 dispatch fee charged then $790 quoted for a frozen pipe issue that tenants resolved themselves in 5 minutes by repositioning a heater — reviewer declined quote and resolved without any plumbing work.
“I paid $200 dispatch fee for a technician to come out and troubleshoot the issue. Then the technician quoted $790 to fix the issue. I politely declined the quote because my gut said it was unreasonable and I felt like I was being taken advantage of given our situation. Tenants were able to resolve the issue within 5 minutes.”
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
“I spoke with Chad on Saturday, January 24, 2026 during business hours as one of my homes in Vernon Hills had no water possibly due to frozen pipes. I paid $200 dispatch fee for a technician to come out and troubleshoot the issue. Then the technician quoted $790 to fix the issue. I politely declined the quote because my gut said it was unreasonable and I felt like I was being taken advantage of given our situation. …”
Positive
“Great first experience with this company. I prefer to hire smaller local companies. I learned that the plumber I used to use had been purchased by a larger corporation. So I got a recommendation for Cupco. They were able to respond to a sewage blockage issue in my home the same day I called. Plumber and assistant arrived on time, assessed the problem, gave me multiple options for service. They did the work …”
“My sewer broke and Cupco came out and explained everything. I’m so happy with the work they did and the price. Unlike large corporations, they don’t try to get you to pay for more than needs to be done. Highly recommend!”
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 21 reviews so far. Treat this as a first read.
Newest review in our sample: Jan 2026.
Should you hire Cupco Plumbing Inc.?
Hire if
- You need high-quality work that holds up over time
- You need fast same-day or after-hours response
Think twice if
- You need rock-bottom prices with zero flexibility on the quote
- You need airtight scheduling and guaranteed arrival times
Look elsewhere if
- You're highly price-sensitive
Advice derived from the review analysis above — how we decide.
Own Cupco Plumbing Inc.?
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
Cupco Plumbing Inc.isn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: Libertyville · Bristol · New Munster · Algonquin