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0% interest up to 24 months


12 months same as cash


$150 off per window

Up to $1,100 Tax Credit for Windows & Doors

Not valid with any other offer


$2,000 off Full Siding Job

Not valid with any other offer


Cash Discounts available

Call and ask about our discounts for Veterans, First Responders, and Senior Citizens

Allstate Windows And Siding
Specializing in Windows, Siding and Patio Doors

The success of Allstate Windows & Siding, LLC as a home improvement company is measured by the lasting relationships with our customers and the quality of our products and services. We take pride in having the majority of our sales come from previous customers and referrals.

Allstate Windows and Siding is the oldest family owned and operated siding and window company in Texas. Our team is proud to serve homeowners throughout the greater Houston, Sugar Land, Galveston, Katy, and The Woodlands, TX communities for over 50 years. We have been offering the highest quality energy efficient windows, siding replacements and durable patio doors during that period; and our certified installers that have been with us for over 25 yrs.

We offer TDI Windstorm rated products and all our installs are done to code and manufacturers.

We are Texas’ Siding and Windows Specialists. Contact us today to learn more about our products or to request a free quote on your installation!

We are Texas’ Siding and Windows Specialists.


Step 1

Give us a call or complete our online contact form to request your  free consultation.


Step 2

One of the Allstate Windows and Siding family will come to your home to discuss your project and provide a no-obligation estimate.


Step 3

One of our certified installers will come out and install your custom windows or doors.

Choose the Best Replacement Siding, Windows and Doors for Your Home

Exterior Wall Coverings & Siding

Allstate Windows and Siding carries the best exterior siding products available including James Hardie, LP Smart Siding, Mastic and Everlast. Products that are built to handle the harsh Texas weather.

Hardie Plank Siding
Vinyl Windows

Replacement Energy Efficient Windows

All Allstate Windows and Siding offers windows made in Texas and are built for the Texas climate. We offer TDI Windstorm rated and approved windows for coastal areas. We also offer Hurricane Impact resistant windows.

Sliding Patio and Security Doors

Allstate Windows and Doors offer the best patio doors in the business from famous name brands by Don Young, Nuema and NT Sliding Patio Doors.

Aluminum Windows


Explore Our Blog


Expertise, inspiration, monthly savings and more. This is where
you’ll find the insights you need about the topics you crave.

New Modern Twist

New Modern Twist with Black
Window Frames

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Top 8 Reasons to

Top 8 Reasons to Replace

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Aluminum Window

Aluminum Windows New and

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  • READ PARAGRAPH 3. We called Allstate Siding & Windows in May / June while we were getting bids for Windows in Alvin. Patrick came by and went through with us... read more

    Andrew Redoble Avatar Andrew Redoble
    September 29, 2022
  • A friend recommended All-State windows after they replaced all of her windows due to their high quality of work and great price. I have been having issues with controlling... read more

    James Cook Avatar James Cook
    May 29, 2022
  • Very friendly and a great quality product. They replaced my windows while I was away on a trip and I returned to a perfect installation. I 100% recommend.

    Brad Sweitzer Avatar Brad Sweitzer
    March 1, 2022
  • Jeffrey Dravis Avatar Jeffrey Dravis
    March 1, 2022
  • They had me dressed up like Tony Tiger saying “they’re Great!”

    Joey Lamb Avatar Joey Lamb
    March 1, 2022
  • I really love my new windows and everyone from sales (Patrick) to Mike and Dexter have been very pleasant and easy to work with. Their price is very reasonable and... read more

    Patricia Farrell Avatar Patricia Farrell
    March 1, 2022
  • Improperly installed gable vents. After numerous calls owner Jimmy lagrappe came to see work (done 2/2021). Said allstate was at fault & they would make it right. That was 6... read more

    Judy Tanamachi Avatar Judy Tanamachi
    March 1, 2022
  • Timely, thorough, quality, great cleanup.

    Scott Mosby Avatar Scott Mosby
    March 1, 2022
  • I highly recommend Allstate Windows and Siding. We truly could not be more pleased with our beautiful windows and door! We chose the black framed windows and a new... read more

    Chelsea Avatar Chelsea
    March 1, 2022
  • I had this company replace siding on my house and now I have water getting into the house after heavy rains. I called repeatedly for months and they finally got... read more

    Ryan Demland Avatar Ryan Demland
    March 1, 2022