certified company
Based on 369 reviews
Our Certification Process
Best Pick Guarantee
Verified General Liability Ins.
5th year as a Best Pick Call
"We install more HardiePlank replacement siding than anyone in Texas. We provide great prices for brand-name products installed by manufacturer-trained professionals with exemplary customer service. We're affordable, local, and reliable—three great reasons to choose Allied now and come back in the future."

Leonard Courtright | President
Company Information
Services Offered
Allied Siding & Windows specializes in the installation of James Hardie siding products for residential customers. Other home improvements include window and door replacement, gutter installation, roof replacement, attic radiant barriers, room additions, and custom outdoor patio covers.
Services Not Offered
The company does not offer repair services.
Allied Siding & Windows offers a lifetime labor warranty on all work, and James Hardie siding products come with a 30-year warranty.
Company History
Allied Siding & Windows has been serving Texas homeowners since 1988 and is currently run by Leonard Courtright, who has more than 25 years of experience in the service industry.
The company is a James Hardie Elite Preferred Contractor and an EPA Lead-Safe Certified Firm.
Areas Served
West Houston Suburbs, North Houston Suburbs, Fort Bend County & Southwest Houston, The Heights/Midtown
A selection of 369 homeowner reviews:
“I had an excellent experience with Allied. They put in HardiePlank siding and windows. It was done very quickly and very well. I'd give them an A+ for the experience.”
“They installed siding for me. They did a good job, and they were clean. I had a good experience with them. I'd give them an A+.”
“I liked that the project manager was very attentive and kept us updated on everything. They did siding and windows for us. It was A-quality work.”
“They took care of everything quickly, and they informed us of everything that was going on. The crew was very informative. They did windows, siding, and new doors. They did great—they deserve an A.”
“They did good work. I would recommend Allied.”
“They did excellent work. I have no complaints. They did siding and the roof.”
“They did siding and windows for me. They had the same crew on the whole time and the owner was here to check on things to make sure everything was OK. I'd give them an A for my overall experience with them. I have already recommended them.”
“They did as they advertised and completed the job on time. Everything seems to be fine. There was one little minor thing they had to redo and that was it. Everything worked out OK. They did siding for me. I would grade my overall experience as an A.”
“I got the siding done with them. When they said they would be there, they were there. Overall, I'd give them an A.”
“I had no complaints with them.”