ADU Rules & Zoning in Miami Beach, Florida (2026)
What ADU can you build in your Miami Beach backyard?
Instantly check eligibility for Accessory Dwelling Units (ADUs), like Guest Houses, Garage Conversions, and In-Law Suites.
Miami Beach 2026 ADU Requirements Snapshot
Miami Beach ADU rules — very limited ADU opportunity. Housing stock is predominantly multifamily condos. Rare single-family parcels subject to historic preservation review. Verify all requirements directly with city.
What this means for your lot
- Use the address checker first to verify parcel-specific zoning.
- Confirm setbacks and lot geometry before spending on plans.
- Check short-term rental rules carefully — they vary significantly by city.
Key gotchas
- First confirm your parcel is actually single-family residential — most Miami Beach addresses are condos or multifamily with no ADU pathway
- Historic district rules may prohibit or severely limit the form of any accessory structure
- Miami Beach's STR landscape is complex — do not assume STR income before confirming your specific zone's regulations
Building Limits
- Max Size:1000 sq ft
- Detached Allowed?Yes
- Build Cost Est.:$150,000–$350,000
Rental Rules
No Owner-Occupancy Requirement: Both units can be rented to tenants simultaneously.
Short-Term Rentals: Not prohibited at the city level. State DBPR license required.
Estimated Monthly Income
$2,000–$4,000/month
Based on 2025–2026 Miami Beach market data
Key ADU Restrictions in Miami Beach
- Miami Beach is predominantly condominiums and high-rise multifamily — single-family ADU opportunity applies only to the small number of RS-zoned single-family parcels
- Historic Preservation Board review required for virtually all alterations in Miami Beach — adds months to approval timeline
- STR regulations are complex and neighborhood-specific — some areas have cap limits with waitlists; others have bans
Common Mistakes to Avoid in Miami Beach
- First confirm your parcel is actually single-family residential — most Miami Beach addresses are condos or multifamily with no ADU pathway
- Historic district rules may prohibit or severely limit the form of any accessory structure
- Miami Beach's STR landscape is complex — do not assume STR income before confirming your specific zone's regulations
Eligible Zones in Miami Beach
Miami Beach ADU — Frequently Asked Questions
Can I build an ADU in Miami Beach, Florida?
Miami Beach's housing stock is predominantly condominiums and multifamily. ADU development on single-family parcels is theoretically possible under SB-48 but practically rare given the city's land use pattern.
What is the maximum ADU size in Miami Beach?
Up to 1,000 sq ft under Florida SB-48 if applicable to single-family parcel.
Do I need to be an owner-occupant to build an ADU in Miami Beach?
Miami Beach does not require owner-occupancy. Both the primary home and ADU can be rented to tenants simultaneously.
Can I use my Miami Beach ADU as an Airbnb?
Miami Beach does not prohibit short-term rentals at the city level. You must obtain a Florida DBPR Vacation Rental Dwelling license.
How do I get an ADU permit in Miami Beach?
Miami Beach Planning Department — Historic Preservation Board review required for most properties.
Miami Beach Planning Department
Nearby Cities — ADU Rules
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More Miami-Dade County ADU Guides
This page provides general information based on current ordinances and publicly available data as of March 2026. Zoning rules change — verify all requirements with your local planning department before making financial commitments.