Reliable Plumbing Installation in Melissa, TX

When you need dependable plumbing installation in Melissa, TX, Underwood Plumbing and Septic Services LLC delivers professional solutions designed for long-lasting performance. Our experienced team provides quality plumbing installations for new construction, renovations, upgrades, and replacement projects. We focus on accurate installation, durable materials, and efficient plumbing systems that help protect your property and improve everyday convenience.

Plumbing Emergency? We Answer Day or Night.

Burst pipe in the evening, or a backup on a holiday, we’ll get a truck rolling.

Our Installation Process

Call us:We pick up nights and evenings, holidays included, and get the installation on the schedule.

Walk the job:We look at the existing lines, fixtures, and access before we open a wall or a slab.

Explain your options:You hear the scope and the price before any work starts.

Install it:Fixtures, water lines, drains, and repipes go in with the parts on the truck when the job allows.

Test the work:We run water, check pressure, and look for leaks before we pack up.

Leave it clean:The work area gets cleaned up before we head out.

Wall-mounted tankless water heater with gas and water connections

The Underwood Plumbing Standard

Yes. We provide complete plumbing installation services for new construction homes, commercial buildings, and renovation projects.

Yes. We remove aging plumbing components and install updated systems designed for reliable long-term performance.

The timeline depends on the size and complexity of the project. We provide an estimated schedule before work begins.

Melissa is in Collin County. We’re already working Melissa, handling calls daily across town. We also cover Collin, Grayson, Fannin, Hunt, Lamar, and Cooke counties.

Yes. Financing is available on larger installations and replacements, subject to credit approval. See our Financing page or ask your plumber.

Why Underwood

We're already working Melissa, handling plumbing and septic calls.

Underwood technician outside a home in Lamar County, TX

01

We Communicate.

Nights, evenings, and holidays. We pick up the phone.

White farmhouse sink with a gold faucet and a paper towel holder

02

Stocked Trucks, One Trip.

Our vans carry the parts for the installation jobs we actually get called on, so a fixture or a short repipe often finishes on the first visit.

Tankless water heater installed on a wall in McKinney, TX

03

Plumbing and Septic, One Call.

A backup can be the line in the wall or the tank in the yard. We handle both on the same call.

Underwood septic pump truck parked on a neighborhood street

04

Seasoned Service Professionals

Licensed with the state board, TCEQ registered, and backed by decades of work in DFW and Northeast Texas.

What We Fix

Plumbing Installation, Start to Finish

Close-up of a gloved hand turning a wrench on an outdoor pipe

Financing Available

We offer flexible payment options for our services.

Signs It's Time for New Plumbing Installation

We install plumbing for homes and businesses in Melissa and the rest of Collin County. We’re already working Melissa, handling calls daily across town.

Reviews

Don’t Take Our Word for It. What Our Customers Say.

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Reviews

4.9

(1521 Reviews)

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Michael Jeter
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Plumber knew his job and how to fix the problem fast.
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Sheldon Nicolle
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Chad came by and did an amazing job. Peace of mind is a valuable thing. Thanks Underwood!!
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Saphir Butter
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I needed a sewer tank cover replaced due to it being hit by the lawnmower. These guy fixed it in less than 30 minutes. Chad also suggested putting landscaping stuff around the 4 tanks to prevent this happening again. Totally happy with their service.
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Sally May
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Great

More Services

We Solve Every Plumbing and Septic Problem.

Plumbing

Repairs, repipes, and installs for every fixture and line in the house.

Septic Service

Inspections, repairs, and installs for tanks and drain fields.

Septic Pumping

Scheduled and emergency pump outs, with a digital report after each visit.

Emergency Plumbing

Burst pipes and backups. We pick up nights, evenings, and holidays.

Sewer

Camera inspection, spot repair, and full sewer line replacement.

Drain

Clogs cleared and hydro jetting that keeps them from coming back.

Water Heater

Tank and tankless repair and replacement.

Water Quality

Filtration, softening, and testing for clean water at every tap.

Commercial Plumbing

Restaurants, shops, and offices kept running with minimal downtime.

Water Line Repair

Leak location, spot repair, and full water line replacement.

Protect Your Home

Generous Membership Plans.

At Underwood, we offer tailored solutions to keep your home and its systems running smoothly. Whether you need memberships to be county compliant or simply maintain your systems for the long haul, we have a plan to fit your needs.

Underwood technician shaking hands with a homeowner at a kitchen table with paperwork

Get in Touch

Ready to Schedule the Installation?

Tell us what’s being installed in Melissa and we’ll get a licensed tech out to you.

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Service Areas

Plumbing Installation in Melissa and Across Northeast Texas.

We’re already working Melissa, handling calls daily across town.

Counties We Cover

Melissa sits in Collin County. We cover Collin, Hunt, Grayson, Fannin, Lamar, and Cooke counties. Bryan County, Oklahoma is septic maintenance only.

Not sure whether you’re in range? Give us a call. If we can’t get to you, we’ll point you to someone who can.