We invite you to use our sitemap below to help you navigate through our website. A & B Home Improvement is a full service general contractor serving the greater Baltimore, Maryland area. We provide professional roofing, gutter, siding, and window services. So, whether you need a quick replacement, or want to do a full renovation, we are here to help! We understand that variety is important, so we’re proud to offer a wide array of brands and manufacturers for whatever job you need us to perform. We look forward to serving you!