O’Connor’s Plumbing LLC
water-heater
Serving Sioux City, IA
From Google Business Profile
5.0
78 Google reviews
Google categories: Plumber, Service establishment
View on Google Maps →Last checked October 10, 2026.
More from Google Business Profile
Photos on Google: 20
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Sep 2026
David is reliable, responsive and reasonably priced. He is professional and shows up when he says he is going to and when there is a problem he is honest and helpful with solutions and options to try to save you money! My plumber for life…
5 out of 5 stars · May 2026
We had a broken hot water valve under our sink. David came and easily replaced it as well as the cold, at our request. We were swapping out vanities and David helped us figure out what additional parts we’d need. Prompt, friendly…
5 out of 5 stars · Apr 2026
David is a legend, great service and install of water heater. Prompt communication and scheduling. Happy we found a trustworthy plumber!
The owner replied to 0 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 10, 2026.
About plumbers in Sioux City
Plumbers install and repair water supply, drain, gas and fixture systems in homes and businesses. Plumbers fix leaks and clogs, replace water heaters, install sinks, toilets and showers, repipe old galvanized lines, run gas lines for appliances and handle frozen or burst pipes. Licensed plumbers also pull permits for new rough-ins during remodels.
Typical cost: $175–$550 for a typical service call and repair. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Confirm a state or local plumbing license: Plumbing is a licensed trade in most of the region — ask for the license number.
- Ask how pricing works: Flat-rate pricing is easier to compare than open-ended hourly billing.
- Describe the problem precisely: Photos of the leak or fixture help get an accurate quote over the phone.