Discover our Stylish & Secure

Welcome to Callahan Doors & Windows, where we specialize in delivering customized window solutions that effortlessly combine elegance, functionality, and energy efficiency. Our attention to detail and passion for delivering quality has established us as the premium destination for window installation, recognized for seamlessly injecting beauty and elegance into homes.

Choose Callahan Doors & Windows, the specialists in delivering one-of-a-kind, energy-efficient window solutions that are designed to your preference and perform to perfection.

Get inspiration From Our Gallery

Energy-Efficient, Elegant Windows - Upgrade Today

Welcome to Callahan Doors & Windows, your foremost authority on windows and doors in the Mt. Vernon region. Offering an array of exceptional quality products, our modern design solutions are crafted to revitalize not only homes and businesses within Mt. Vernon but also stretch across the expanse of Mansfield, Ohio, and further afield. Our expansive selection ranges from the epitome of elegance in sleek entrance doors to the assured security of robust exit systems.

At Callahan, we recognize that every installation reflects the character of a home or business. Therefore, our window selection is designed to embody both the pinnacle of functionality and the grace of fine design. As the Mt. Vernon window experts, we take pride in understanding the nuanced needs of our community, providing personalized advice that turns your vision into a tangible reality. 

Invite Callahan Doors & Windows into your next project and witness how the right window selection by our preeminent window experts can transform your property into a paragon of design and comfort.

Window Replacement Services

Need a new window? We’ve got you covered! Also, enhance the beauty and quality of your home with exceptionally crafted windows from Callahan! In addition, we offer an extraordinary array of replacement window styles, colors, and options to complement any home and budget. Also, choose from stunning styles, vibrant colors, and a multitude of accessories to make your home breathtakingly beautiful. No matter what you need, our team of experts are here to help! 

Our other window services include:


With so many window options, we can help you choose the best style, material, and energy efficiency for your needs. Consult with Callahan to get the right windows selected just for you!


Pre-manufactured or custom-built, we can fit any size window opening.


We can replace and repair damaged windows to match the rest of your home.

We offer energy-efficient replacement windows in vinyl and wood from ProVia and Andersen Windows & Doors. Callahan is an Andersen “Circle of Excellence Dealer” and a Provia Platinum Dealer. Double-hung, casements, and awning styles are available in all of our vinyl and wood product lines.

Therefore, each window material has its own benefits – consult with one of our technicians today to decide which is best for you. If you are looking for windows in the Lexington, Ohio area, let us show you our beautiful and affordable options.

We Proudly Serve North Central Ohio

Including Delaware, Powell, Mt. Vernon, Sunbury. Morrow County, Crawford County, Ashland, and the surrounding areas since 1984

After-Hours Service

Are we closed, but you need service on your door, window, or garage door?

We are pleased to offer next-business-day service. Contact us at to let us know what service you need, and we will get back with you on the next business day.

Gallery of Window Replacements

Check out a few of the window replacement jobs we’ve done.


Know that no matter what you are looking for with Your Building in Northeast Ohio, Callahan is here to help.