Cosgrove and Sons Contact Us


Home additionImagine relaxing after work in the cool summer breeze, watching the squirrels run and listening to the birdsong on your beautifully designed deck!

We can make your deck dream a reality with our team of professional craftsmen and design expertise. We will work with you to understand your needs and wants, and help you design a deck that fits your entertainment and relaxation needs, your budget too

We do the initial planning, then do all required architectural drawings in-house, then  secures the local building permit.  Our experienced carpenters can turn your concept into your dream. To insure the construction goes smoothly, our deck designer will be on site each day to oversee each step of building your deck.

Avoid the nightmares you hear about when a bad contractor is chosen! We encourage you to contact the Better Business Bureau, Google, Service Magic, Remodeling Networks and most importantly, our clients to see first-hand the experiences they've had working with Cosgrove and Sons. You can depend on Cosgrove and Sons to provide excellent craftsmanship, quality, dependability and superior results .

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Additions Kitchen Remodeling Bathroom Remodeling Remodeling


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Thanks! Your work for our addition was outstanding, and we really appreciated the little things you did like cleaning up every day and your attention to details. Also, the initiative that you took and service that you provided in dealing with the Home Owners Association, was a big help.

Bethesda, MD
R. Burton