Need more space but love your neighborhood? Smart Home Improvement LLC builds home additions in Germantown and across Montgomery County that match your home inside and out. We have built full homes from the ground up, so we handle the whole job: design, permits, foundation, framing, and every interior finish. We build room and family-room additions, second-story additions, in-law suites and primary bedroom suites, sunrooms, attached garages, and bump-outs to enlarge kitchens and bathrooms. Licensed and insured, MHIC #46217, family-owned since 1993. We serve Germantown, Gaithersburg, Clarksburg, Boyds, Darnestown, Damascus, Montgomery Village, Rockville, Potomac, Bethesda, Olney, Silver Spring and Frederick, MD. Call (301) 674-8294 for a free in-home estimate.