J.D. Rock Is A Full Service Residential Contractor W/ 25+ Yrs. Of Experience Handling All Aspects Of Home Improvements Both Inside And Out. We Use High Quality Materials And Are Quality & Detail-oriented Above All Else. We Specialize In General Contracting, Design/builds, Whole House Renovations, Room Additions, Bathroom Remodeling, Kitchen Remodeling, Exterior Improvements, Window Replacement, Roofing, Siding, And Basement Finishing. We Service Frederick, Adams County, Frederick County, Washington County, Franklin County, Carroll County, Loudoun County, And Montgomery County.