Boynton Beach, FL Accessory Structures: ADU Rules (2026)
ADU rules in Boynton Beach, FL, also called accessory dwelling unit regulations or granny flat ordinances, cover setbacks, owner-occupancy, parking, and permit requirements.
Key Facts
- Max Size
- 800 sq ft
- Zoning
- R-1-AA, R-1-A, R-1
- Approval
- Conditional use permit
- Parking
- 1 extra space
- Owner-Occupied
- Required
Summary
Boynton Beach allows accessory dwelling units in select single-family zoning districts as conditional uses. ADUs must be under 800 sq ft, share water and sewer with primary residence, and provide one additional parking space.
requiring, rather than authorizing, local governments to adopt, by a specified date, an ordinance to allow accessory dwelling units in certain areas; authorizing a local government to provide a density bonus incentive to landowners who make certain real property donations to assist in the provision of affordable housing for military families; requiring the Office of Program Policy Analysis and Government Accountability to evaluate the efficacy of using mezzanine finance and the potential of tiny homes for specified purposes, etc.
Full Breakdown
Land Development Regulations Chapter 3 Article IV permits ADUs in R-1-AA, R-1-A, and R-1 districts with a conditional use permit. Owner must occupy either the primary unit or the ADU. Short-term rental of the ADU is allowed only where the city's STR registration is in place per FL §509.032. ADUs must meet Florida Building Code wind load requirements (140 mph design wind speed for Palm Beach County coastal zone). Detached ADUs count toward lot coverage and must observe 5-foot side and 10-foot rear setbacks.
Violations & Fines
Unpermitted ADU: stop work plus permit-after-the-fact double fee. Use without required parking: $250 citation. Renting to a third party while not owner-occupied: conditional use revocation.
Frequently Asked Questions
Can I Airbnb my Boynton Beach ADU?
Sources & Official References
Other rules in Boynton Beach
How Boynton Beach compares: Easiest Cities to Build an ADU·Florida rules heatmap·Compare Boynton Beach to another location·View the Florida accessory structures overview
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ADU Rules in Nearby Cities
How other cities in Palm Beach County handle adu rules.