Dormers & Extensions
Expand your living space with carefully planned dormers and home extensions.
Need more room without moving? Blue Mountain Construction builds dormers and extensions that blend with your home’s structure and style.
We help Long Island homeowners in Nassau and Suffolk County add space the right way—from framing through finishing.
DormersRoom AdditionsStructural WorkExteriorsFinishing
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Get free, expert advice for your dormers & extensions project on Long Island.
Prefer to talk now? Call (631) 972-4765 or email [email protected].
Our Work
Dormers & Extensions Gallery
Browse recent projects. Click any item to open a larger view.