High-Quality Plumbing Installation in Van Alstyne, TX

When it comes to dependable plumbing installation services, Underwood Plumbing and Septic Services LLC is committed to delivering high-quality workmanship for residential and commercial properties throughout Van Alstyne, TX. Whether you are building a new home, remodeling a property, or upgrading outdated plumbing systems, our experienced team provides customized installation solutions designed for long-term performance, efficiency, and reliability.

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.

Underwood plumber using a pipe wrench on a pipe at an exterior wall

The Underwood Plumbing Standard

We offer a wide range of plumbing installation services, including water lines, drains, fixtures, water heaters, and complete plumbing systems for residential and commercial properties.

Yes. Our team works with homeowners, builders, and property managers to install complete plumbing systems for new construction projects.

Yes. We provide plumbing installation solutions for commercial properties, helping businesses maintain dependable and efficient plumbing infrastructure.

Van Alstyne 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

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

Underwood plumber outside a home in Celina, TX

01

We Communicate.

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

Underwood plumber working at a kitchen island sink with a gold faucet

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.

Technician holding a drain cleaning hose outside a home in Prosper, 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 and service van parked beside a field in a neighborhood

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

Underwood plumber kneeling to inspect plumbing under a kitchen island sink

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 Van Alstyne and the rest of Grayson County.

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 Van Alstyne and we’ll get a licensed tech out to you.

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Service Areas

Plumbing Installation in Van Alstyne and Across Northeast Texas.

We’re already working Van Alstyne, handling plumbing and septic calls.

Counties We Cover

Van Alstyne sits in Grayson 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.