ADU rules in West Palm Beach, FL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
West Palm Beach allows accessory dwelling units in most single-family zoning districts under City Code §94 (Land Development Regulations) with a maximum 800 square feet or 40 percent of the principal dwelling, whichever is less.
ADUs require a minimum 7,500 square foot lot, owner occupancy of either the primary or accessory unit, and one additional off-street parking space. They may be attached, detached, or above a garage. Short-term rental of an ADU is prohibited; only long-term tenancies of 30 days or more are allowed. The 2023 Live Local Act (SB 102) does not override these zoning standards for single-family ADUs but encourages workforce housing density bonuses in mixed-use zones.
Unpermitted ADU construction: stop-work order, permit penalty fees of double the standard fee, plus potential demolition order through the Special Magistrate.
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Side-by-side rule comparisons with other cities in Palm Beach County.
See how other cities in Palm Beach County handle adu rules.
See how West Palm Beach's adu rules rules stack up against other locations.
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