ADU rules in Richmond, VA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Richmond allows accessory dwelling units in most residential zones under recent zoning updates. ADUs can be attached or detached, must meet setback and size limits typically 800 to 1,000 sq ft or 30 percent of main house, and require a building permit. Short-term rental of ADUs requires a separate STR permit.
Richmond amended its zoning ordinance in recent years to expand ADU opportunities as part of housing affordability efforts. Owner occupancy of either the main house or ADU is typically required. The ADU must share water and sewer connections with the main dwelling and meet Virginia USBC construction standards. Detached ADUs are subject to rear and side yard setbacks. Parking requirements have been relaxed for ADUs in many zones.
Unpermitted ADUs are subject to zoning enforcement, fines up to 500 dollars per day, and may require removal or legalization.
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See how Richmond's adu rules rules stack up against other locations.
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