First Methodist Episcopal Church (First United Methodist Church) is a historic church at 503 Walnut Street in Windsor, Colorado. It was built in 1915 and was added to the National Register in 2004. It is Classical Revival in style and 52 by 72 feet (16 m × 22 m) in plan. A Postmodern style addition, 52 by 100 feet (16 m × 30 m) in plan, was added in 1995, joined to the 1915 church by an enclosed 14 by 21 feet (4.3 m × 6.4 m) walkway.