ADU Rules & Zoning in Boca Raton, Florida (2026)
What ADU can you build in your Boca Raton backyard?
Instantly check eligibility for Accessory Dwelling Units (ADUs), like Guest Houses, Garage Conversions, and In-Law Suites.
Boca Raton 2026 ADU Requirements Snapshot
ADU rules for Boca Raton, Palm Beach County. Verify all requirements with local planning.
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
- Skipping HOA review — many Boca Raton HOAs ban rental units outright regardless of city zoning approval
- Underestimating construction costs — HVHZ impact-resistant windows, roofing, and framing are mandatory
- Not verifying RS zoning — commercial and mixed-use areas of Boca are not eligible for residential ADU
Building Limits
- Max Size:1000 sq ft
- Setbacks:7ft side / 10ft rear
- Detached Allowed?Yes
- Max Height:25 ft
- Build Cost Est.:$110,000–$225,000
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
$1,400–$2,200/month
Based on 2025–2026 Boca Raton market data
Key ADU Restrictions in Boca Raton
- HOA deed restrictions prohibit ADUs in many Boca Raton communities — check CC&Rs before any planning
- Palm Beach County HVHZ wind construction standards apply — adds 15–20% cost vs. inland Florida
- Short-term rental registration required with annual renewal — contact city before marketing as STR
Common Mistakes to Avoid in Boca Raton
- Skipping HOA review — many Boca Raton HOAs ban rental units outright regardless of city zoning approval
- Underestimating construction costs — HVHZ impact-resistant windows, roofing, and framing are mandatory
- Not verifying RS zoning — commercial and mixed-use areas of Boca are not eligible for residential ADU
Eligible Zones in Boca Raton
Boca Raton ADU — Frequently Asked Questions
Can I build an ADU in Boca Raton, Florida?
ADUs are permitted in eligible residential zones in Boca Raton under Florida SB-48 (2026). Confirm your parcel zoning with the Palm Beach County Property Appraiser or city planning office.
What is the maximum ADU size in Boca Raton?
Maximum ADU size in Boca Raton varies by zoning district. Florida SB-48 prohibits size limits below 1,000 sq ft for compliant applications. Verify current local limits.
Do I need to be an owner-occupant to build an ADU in Boca Raton?
Boca Raton does not require owner-occupancy. Both the primary home and ADU can be rented to tenants simultaneously.
Can I use my Boca Raton ADU as an Airbnb?
Boca Raton 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 Boca Raton?
ADU permits in Boca Raton follow standard Florida residential building permit workflow. Contact Palm Beach County building department for current requirements.
Boca Raton Planning Department
Nearby Cities — ADU Rules
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More Palm Beach County ADU Guides
Serving homeowners in 33431, 33432, 33433, 33434, 33496 and surrounding Boca Raton zip codes.
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.