Chesterfield County, Virginia, enforces the 2015 edition of the Virginia Uniform Statewide Building Code (USBC), effective September 4, 2018. Projects developed under the 2012 edition of the Virginia USBC will be accepted until September 4, 2019. The USBC is based on the ICC international codes. The USBC prescribes building regulations applicable to the construction, repair, renovation, maintenance and/or change of use of buildings and structures or portions thereof. Code books are available free on-line and for purchase at the International Code Council website.