With decades of expertise and a people-first mindset, Brennan helps you make confident choices and get the results you deserve.
Old windows and doors can drive up your energy bills, invite moisture and pests, and make your home feel uncomfortable. Brennan provides replacement windows in Houston that combine expert craftsmanship with local care—so you can feel confident in your space again.
From the heart of Houston to the neighborhoods of Conroe and Katy, Brennan brings reliable window and door solutions to homes across Southeast Texas.
Here are just a few of the communities we serve—wherever you are in the Houston area, you can count on honest advice, expert installation, and top-tier service from a name Texans have trusted since 1979.
Free Estimate Find Your CityFrom The Heights to Clear Lake, we’re proud to serve homeowners across the Bayou City.
A trusted choice for classic homes and high-end renovations.
Custom-fit solutions for homes as beautiful as the community itself.
Energy-efficient upgrades for homeowners across Montgomery County.
Helping Katy families enjoy comfort, curb appeal, and long-term value.
From city centers to quiet suburbs, we serve communities all around Houston.
No patchwork. No pressure. Just professional window and door replacement with the care your home deserves.
Boost your home’s energy efficiency and aesthetic appeal with a wide selection of replacement windows.
Secure and stylish exterior doors that are sure to make a lasting impression and improve the value of your home.
Whether it's a patio enclosure or wall-to-door conversion our expert team can handle any transformation. Simply put, you dream it, we build it.
Quality and competitively priced solutions for architects, builders, contractors, and DIYers.
With Brennan, you’re never just another job. Our process is simple, thoughtful, and centered on your goals—from that first call to the final walkthrough—and we’re here for support long after the work is done.
We make it easy to start—just fill out the form and a Brennan team member will reach out to schedule your free in-home quote. It's quick, easy, and completely free to homeowners.
Awards that reflect our commitment to providing our customers with the best home remodeling experience possible. Below are some of our most recent awards.
Wherever you are in the Houston region, we’re ready to serve—with local leadership, expert installers, and the same care we’ve delivered to Texans since 1979.
We proudly serve homeowners across Houston and nearby communities, providing expert window and door replacement backed by decades of experience.
Our headquarters is located in the Entertainment District of Arlington, Texas. If you are visiting the area we invite you to drop by! Office hours are Monday-Friday, 8 AM to 5 PM. Appointments preferred but not required.
Interested in working with our team? Our FAQs are a great resource for the most common questions regarding our turnkey services.
Yes, Brennan Enterprises offers free, no-pressure estimates to homeowners.
Once installation day arrives, most projects can be completed within 1-3 days depending on size and scope.
Absolutely, we serve homeowners, contractors, and other home improvement professionals.
We offer a wide selection of products to match or complement the look of your home.
Yes, we’ve worked with trusted financing partners to put together flexible financing plans that work best for our customers.
We only install products purchased through Brennan Enterprises to ensure quality and warranty coverage.
Just fill out the form on this page or call our office to get started.
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With expert installers, dependable service, and a no-pressure approach, Brennan makes it easy to feel good about your window and door replacement—start to finish.