Allstate is Houston's family-owned windows, siding, and door company. Texas-made, TDI windstorm-rated products, expert installation, and honest pricing — with 12 months no payments, no interest.
From whole-home window replacements to fresh James Hardie siding and new doors, everything is installed by our own experienced crews — not subcontractors.
Energy-efficient vinyl, impact, and Texas-made Vistamark windows that cut your electric bill and stand up to the heat.
Explore Replacement
James Hardie fiber cement, LP SmartSide, and Mastic vinyl — durable, low-maintenance siding built for Gulf Coast weather.
Explore Siding
Patio doors, entry doors, and replacement doors that boost curb appeal, security, and efficiency.
Explore Doors
For more than 50 years, the LaGrappe family has installed windows and siding across Greater Houston. When you call, you reach people who actually run the company and stand behind the work.
A few recent Houston-area window and exterior transformations.
Homeowners across Houston, Sugar Land, Katy, and beyond.
“Had Allstate redo the siding on our house and they did a wonderful job. They removed the old vinyl and put up Hardie planking. The guys were very respectful of the property and did a very thorough job.”
“The Allstate crew did a great job with our windows. Their sales guy Patrick helped us pick the right windows — Vistamark, made here in Texas — for our budget, and the price was very fair and thousands below the high-end options.”
“Allstate installed 22 windows in my home. The quality of the entire process was excellent — the owners and installers are professional, on time, and the cleanup was perfect. I noticed a savings on my electric bill right away.”
A new set of windows or fresh siding shouldn't wait. Qualified homeowners can get started now and pay nothing — with no interest — for a full year. We'll walk you through the options during your free estimate.
See Financing Options…and surrounding Gulf Coast communities. Not sure if we cover your area? Just ask.
Get honest pricing from a Houston family business that has installed windows and siding for over 50 years. No payments and no interest for 12 months.
Fill out the form and we'll reach out to schedule a time that works for you. No pressure — just honest advice and clear pricing.
Or call now: (832) 204-1936