Orlando has relatively reasonable ADU regulations compared to other Florida cities, allowing detached units in residential zones. The city's rapid growth has prompted more liberal ADU policies to address housing demand.
Zoning & Size Requirements [1]
| Allowed Zones | Residential single-family zones |
| Max Size (Detached) | 500-1,000 sq ft (varies by district and sector) |
| Max Size (Attached) | 500-1,000 sq ft (varies by district and sector) |
| Max Size (JADU) | 500 sq ft |
| Max Height | 16 ft maximum |
| Max Units | 1 ADU per lot |
Setback Requirements [1]
| Rear Setback | 15 feet |
| Side Setback | 5 feet |
| Front Setback | 20 feet |
| Parking Required | 1 space for ADU |
| Owner Occupancy | Not required |
| Min Lot Size | 6,000 sq ft |
Permit Process & Fees
| Approval Process | Building permit + flood review |
| Review Timeline | 60-85 days |
| Permit Fees | $2,800-$4,500 |
| Impact Fees | $1,100-$1,900 |
| Plan Check | 2-3 weeks |
| Pre-Approved Plans | Available for select ADU types |
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Construction Costs [2][3]
| Average Build Cost | $130,000-$260,000 |
| Cost per Sq Ft | $145-$290 |
| Garage Conversion | $60,000-$145,000 |
| Prefab ADU (Installed) | $90,000-$210,000 |
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Rental Income Potential [4][5]
| Avg Rent (1 Bedroom) | $1,200-$1,750/mo |
| Avg Rent (2 Bedroom) | $1,550-$2,300/mo |
| Short-Term Rental | Limited in some zones |
| Est. Annual ROI | 7-9% annual return |
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Recent Law Changes
What's Changed Recently
- Live Local Act ADU provisions expanded (2026): More counties adopting programs
- Miami-Dade ADU ordinance update: Increased max size to 1,000 sq ft (2026)
- St. Petersburg launched ADU incentive program with permit fee waivers
- Florida considering statewide ADU reform bill for 2026 legislative session
Tips for Building an ADU in Orlando
- Orlando's growth means strong rental demand; good investment potential
- Flood risk is lower than Miami/Tampa but still requires assessment
- Many neighborhoods allow JADUs; smaller entry point for some properties
- Tourism proximity increases short-term rental demand in certain areas
Sources & References
All data on this page is sourced from official government records and verified market data. View our full methodology.
- Accessory Dwelling Units — City of Orlando Planning Department — Accessed 2026-02-24
- HomeAdvisor — ADU Construction Cost Data Market Data — Accessed 2026-02-24
- Angi — Local ADU Contractor Costs Market Data — Accessed 2026-02-24
- Zillow Rental Manager — Market Rent Data Market Data — Accessed 2026-02-24
- HUD Fair Market Rents Government Data — Accessed 2026-02-24
- Orlando City Code Ch. 58 Part 3A — ADUs Municipal Code — Accessed 2026-02-24
- Florida Live Local Act — ADU Provisions Government Data — Accessed 2026-02-24
Frequently Asked Questions
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