certified company
Based on 631 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
5th year as a Best Pick Call
"Replacing your home's windows with high-performance Castle Windows is one of the wisest home improvement investments you'll ever make. Our windows are a reflection of our dedication and commitment to excellence. For over 35 years, we have been designing top-quality, custom-made windows to fit your home."

Chris Cardillo | President
Company Information
Services Offered
Castle Windows offers a wide range of custom-made replacement windows and doors for residential customers. The company also provides roofing and siding services.
Services Not Offered
Castle Windows does not provide repair services.
Minimum Job
The company requires a four-window minimum.
Castle Windows offers a transferable lifetime warranty on its windows.
Company History
Castle Windows is a local, family-owned-and-operated company that was founded in 1977.
The company was ranked on Qualified Remodeler's Top 500 list in 2012, 2013, and 2014. Castle Windows is also an EPA Lead-Safe Certified Firm.
Areas Served
Montgomery County, Chester County, The Main Line, Bucks County, Delaware County
A selection of 631 homeowner reviews:
“The quality of the windows and doors is exceptional. The installation was done on time and with total professional workmanship. I have recommended Castle Windows to everyone who will listen. One of my friends has already bought some windows and is also satisfied with the windows and workmanship—A+.”
“Castle did a great job installing our new steel front entry door. It looks beautiful, and the installers were punctual, friendly, and efficient. We are totally happy with our decision to go with Castle—A+.”
“My whole experience with Castle Windows was great. The sales rep was knowledgeable about their product. The installers were polite, worked through the rain to install the windows, and did an excellent job cleaning up.”
“Outstanding job. I am very pleased with this purchase—A+.”
“Couldn't be happier. Thanks for a great experience.”
“Professionalism and a job well done!”
“Castle Windows did everything they said they would do. From the time we meet to discuss until the time the job was completed. Excellent service.”
“Overall, very good experience. Only issue was a few small leaks when it rained really hard. I believe I fixed the problem with a little additional caulk.”
“The windows keep our house cooler in the summer and warmer in the winter. There is no air escaping or coming in the bottom of the windows. They are easy to clean and open. The slider door provides great light in our kitchen. Really enjoy them!”
“We are extremely impressed. We were very pleased with every aspect of this installation.”