Roofing Service Contractors Valley Stream, NY - Roof Installation professionals Parco Home Improvements has been Valley Stream's premier home improvement company since 1985. We are a family-owned business founded by John Parisi and have been providing exceptional roofing, window, and siding services to homeowners throughout the area. Roofing Service Contractors Valley Stream, NY - Roof Installation professionals Parco Home Improvements has over 20,000 satisfied customers and over 40 years of experience. We are committed to getting the job done right, on time, and on budget.