MSBOC states: "All contractors performing new residential construction over $50,000, residential remodeling or additions over $10,000, or residential roofing over $10,000, are required to have a license" and "All contractors and subcontractors performing work on commercial jobs over $50,000, including equipment installation, are required to have a commercial license." The Board's published classifications are Residential Builder, Residential Remodeler, Residential Roofer, Residential Electrical, Residential HVAC, Residential Plumbing, Residential Mechanical, Residential Construction Manager and Residential Solar (residential), and Building Construction, Electrical, Highway Street and Bridge Construction, Heavy Construction, Mechanical, and Municipal and Public Works (commercial). No garage-door or overhead-door specific classification appears on the Board's classifications page.