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A garage addition by 21st Century Building Company may well return over a 100% return on investment immediately.




A 21st Century Building Company garage addition is a seamless, integrated expansion of the garage space, with special attention paid to matching the architectural integrity of the exterior of the home. We are widely recognized for the additions we have designed and built. Our creative & interactive Online Design capabilities underscore our appreciation of the differing architectural styles and our expertise includes extensive knowledge of local building codes.

"The job involved a large, two-story addition with space to accommodate my elderly father. We would highly recommend the company for their design talent, creativity, and space-planning capabilities. We are very happy with 21st Century Building Company and their ability to put any size project together. We highly recommend the company, along with Ed's design talents, and are happy we hired them."

Bob & Debi Blood
Two-story finished in-law suite addition, including a
first floor two-car attached garage with storage area
Waterford, '07

21st Century Building Company garage additions are expertly designed by our in-house residential designer, whose 45 years' of remodeling and designing experience lends itself to any challenge or style. Your addition will be masterfully built by our group of craftsmen who pride themselves in the skill and knowledge they bring to each new job. All of our garage additions come with a Five-Year Warranty to give you the comfort and security knowing that your satisfaction with our work and our company extends well beyond the completion date. Professional design, solid construction, and reliable customer service and warranty are what you can expect when 21st Century Building Company builds your garage addition.


21st Century Building Company garage additions flow seamlessly from the existing home into the new space. Our clients are always amazed when they see how well we transition the new addition into the existing structure while maintaining the charm and style of the original home. Whether you need an additional parking space or a major expansion of your home, 21st Century Building Company will create a solution for your needs, a flawless design, and an addition you will appreciate and enjoy. We are proud to be renovation experts.

"Once I found 21st Century Building Company I was immediately put at ease by their straight forward approach and attention to detail. They were extremely easy to work with and very professional. Together, we were able to pick the perfect Pella windows and doors to compliment the overall design scheme of the project. Phase Two of the job involved reconfiguring and renovating the interior of the home and to build a new Florida room. Again, we hired 21st Century Building Company."

Tom Frawley
Homeowner's representative
Whole House Remodel, including new Pella Architect Series windows with true divided light grilles, Pella 10' bi-part doorwall, entry doors, and carriage house garage door
Franklin, '07