When you need dependable plumbing installation services in Whitesboro, TX, Underwood Plumbing and Septic Services LLC delivers quality workmanship and reliable solutions for residential and commercial properties. Our experienced team provides professional installation services designed to improve efficiency, performance, and long-term reliability.
Burst pipe in the evening, or a backup on a holiday, we’ll get a truck rolling.
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.

We offer a wide range of plumbing installation services, including water lines, drain systems, fixtures, water heaters, and complete plumbing systems for residential and commercial properties.
If you’re constructing a new building, renovating your property, or replacing outdated plumbing components, professional installation services can improve efficiency and reliability.
Professional installation helps ensure system reliability, proper functionality, compliance with standards, and reduced risk of future plumbing issues.
Whitesboro is in Grayson County. 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

01
Nights, evenings, and holidays. We pick up the phone.

02
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.

03
A backup can be the line in the wall or the tank in the yard. We handle both on the same call.

04
What We Fix

We install plumbing for homes and businesses in Whitesboro and the rest of Grayson County.
Reviews

Reviews
4.9
(1521 Reviews)
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Michael JeterTrustindex verifies that the original source of the review is Google.
Plumber knew his job and how to fix the problem fast.![]()
Sheldon NicolleTrustindex verifies that the original source of the review is Google.
Chad came by and did an amazing job. Peace of mind is a valuable thing. Thanks Underwood!!![]()
Saphir ButterTrustindex verifies that the original source of the review is Google.
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.![]()
Sally MayTrustindex verifies that the original source of the review is Google.
Great
More Services
Burst pipes and backups. We pick up nights, evenings, and holidays.
Protect Your Home
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.

Get in Touch
Tell us what’s being installed in Whitesboro and we’ll get a licensed tech out to you.
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Service Areas
Whitesboro sits in Grayson County. We cover Collin, Hunt, Grayson, Fannin, Lamar, and Cooke counties. Bryan County, Oklahoma is septic maintenance only.