Cox Plumbing Co. Inc.

Steady hands.
Honest work.
The plumbing service Waukesha actually trusts.

From a slow drain to a midnight burst pipe, we show up clean, work fast, and leave it better than we found it. Up-front pricing. Same-day service. No surprise fees.

What we do

Plumbing you don't have
to think about again.

Drain cleaning

Slow, gurgling, or fully blocked. Cleared cleanly with the right tool.

Water heater service

Repair, replacement, tankless conversions. All major brands serviced.

Leak detection

Acoustic and thermal leak detection. Find it, fix it, document it.

Toilet & faucet repair

Repair or replace. We carry the parts most homes actually need.

Sewer line service

Camera scoping, hydro-jet cleaning, line repair without tearing up the yard.

Bathroom remodels

Plumbing rough-in and finish for renovations and additions.

24/7 emergency

Burst pipes, flooded basements, no hot water at midnight. We answer.

Repiping

Whole-home repipe in copper or PEX. Permitted, pressure-tested, done right.

Not seeing what you need? Tell us what's going on and we'll tell you straight whether it's ours to fix.

Get a free quote
Cox Plumbing Co. Inc. crew at work
The crew behind the calls

We answer the phone.
We tell you the price.
Then we get to work.

Cox Plumbing Co. Inc. is the plumbing service homeowners and property managers in Waukesha call when they want it done once, done right, and explained in plain English.

Our master plumber leads every job. Our trucks carry the parts most homes actually need. Our quotes hold. And when a small drain turns out to be a bigger problem, we'll show you what we found before we touch anything.

Homeowners and property managers needing reliable plumbing repair and emergency service.

Licensed, bonded, insured

Every visit. Every time. Permits pulled when required, no shortcuts.

Master plumber on staff

The person who shows up has the experience to diagnose, not just guess.

Same-day. Up-front pricing.

We answer the phone. We tell you the price. Then we get to work.

Why homeowners stay with us

Four promises. We keep all four
on every single call.

Licensed & insured

Every plumber on the truck is fully licensed, bonded, and insured for your protection.

24/7 emergency line

Burst pipe at 3am? We pick up. Real people, not a call center halfway across the country.

Up-front pricing

You see the price before we lift a wrench. No surprise fees. The quote is the bill.

Master plumber on staff

Our work is led by a master plumber. The hard problems get solved, not bandaged.

From our work

Clean install. Square fittings.
No mess left behind.

Plumbing installation by Cox Plumbing Co. Inc.
What homeowners say

Real Google reviews
from real customers.

Google
4.2/5

Based on 74 Google reviews

Leave a review

We have used Cox plumbing for 16 years and have found them to be reasonable in terms of price and reliable. I really like how they stand by their work. There are less plumbers now, so Jeff is really b

Ellyn Lem

4 years ago

Our water heater started spraying water out of it on Tuesday evening. I called Jeff Wednesday morning, explained the situation, and he made his recommendation to replace our dated unit. We had a new w

Sabrina Schaefer

3 years ago

Jeff the owner of Cox Plumbing is amazing at what he does. My Plumbing is 70 years old and outdated and Jeff was very professional helping with removing a very stubborn clog that caused my basement si

Chris Clark

4 years ago

Jeff is Wonderful! He helped me with my emergency plumbing snaking need and got it done in a timely manner! Professional and good at what he does! Will definitely use his services again!

Sheri Beyer

2 years ago

Free quote · no obligation

Tell us what's going on.
We'll tell you straight.

Fill in the form and the master plumber on duty will read it before we call you back. No call center. No bait pricing. Just a real conversation about what your home needs.

  • Reply within the hour during business hours
  • Master plumber reviews every quote
  • Up-front pricing. The quote is the bill

Pipe burst? Don't wait.

(262) 542-6921
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Pipe burst? Drain backed up?
Don't wait. Don't guess.

We answer the phone any hour. Master plumber on call. Trucks loaded for emergency response across Waukesha and the surrounding area.

Reach the crew

One call gets a real plumber
on the line.

Send us a message

Not an emergency? We'll get back to you within one business day.