ADU rules in Port Orange, FL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Port Orange follows Florida Statute 163.31771 which encourages ADU development in single-family residential areas. ADUs are intended to increase affordable housing options, particularly for elderly persons and low-to-moderate income individuals. Specific local standards apply for setbacks, size, and parking.
Port Orange's zoning code permits accessory dwelling units (ADUs) in single-family residential zones. ADUs may be attached (converted garage, addition) or detached structures. Size is typically limited to 800-1,200 square feet or 50% of the primary dwelling's floor area, whichever is less. Setback requirements match those for accessory structures (typically 5 feet from side and rear property lines). Owner occupancy of either the primary or accessory unit may be required. ADUs must meet current building code, include independent kitchen and bathroom facilities, and comply with county utility connection requirements. Florida state legislation may further shape local ADU rules.
Unpermitted ADUs face stop-work orders and removal or legalization requirements. Fines of $500–$2,000 apply for unpermitted construction. Properties with illegal ADUs may face title issues at sale.
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