Authorizes Blowing Rock, Boone, Watauga County, and the Watauga County Board of Education (local government unit) to: (1) separately or through a partnership, joint venture, land trust, or similar entity, construct and provide affordable housing for local government unit employees on property owned by the unit; (2) convey property owned by the local government unit to a partnership, joint venture, land trust, or similar entity for constructing, providing, or maintaining affordable housing for unit employees (prohibits conveying property acquired through the exercise of eminent domain on or after the date this act becomes law; (3) contract to finance, construct, or maintain affordable housing for local government unit employees; and (4) rent or sell affordable housing units for residential use exclusively to local government unit employees. Allows a unit to establish reasonable rents or sales prices, charge below-market rates, offer below-market financing, and place reasonable restrictions and buyback provisions on the resale of housing units. Specifies that these units must comply with all applicable building codes, zoning ordinances, and regulations related to the construction of residential homes.