Established in the fall of 1974, J and J Improvements, Inc. continues to be a family owned and operated business in Maryland specializing in residential homes. We are fully licensed and insured for your protection. J and J prides itself on an outstanding record of quality workmanship. We use only the best material approved by regional codes. All of our work has a lengthy guarantee in addition to the various warranties from the manufacturer who supply us. Our longevity is a testament to the level of service and quality of product you'll get when you choose J and J Improvements, Inc. for your roofing, siding, gutters and vinyl replacement window needs.