Orange County, FL Accessory Structures: ADU Impact Fees (2026)
Key Facts
- Fee basis
- Same rates as Chapter 23
- Additional charges
- Water/wastewater capital fees apply
- Governing section
- Orange County Code § 38-1426(2)c.11
Summary
Accessory dwelling units in unincorporated Orange County are charged impact fees at the same rates set in the county's impact-fee chapter, plus applicable water and wastewater capital fees.
Impact fees and capital fees. The impact fees for an accessory dwelling unit shall be assessed at the rates set forth in Orange County Code, Chapter 23. Water and wastewater capital fees for the accessory dwelling unit shall be subject to all other applicable laws, ordinances and regulations.12.Doors. For accessory dwelling units attached to a principal structure by a passageway, doors shall be provided at both ends of the connecting passageway.13.Limitation on cumulative square footage. Detached accessory dwelling units shall be subject to all cumulative square footage criteria described in section 38-1426.14.Transient rental. Transient rental or leasing (a period of thirty (30) days or less) of an accessory dwelling unit shall be prohibited, except as provided in section 38-77 related to the R-3 zoning district.15.Electrical. A detached accessory dwelling unit may apply for and obtain a separate power meter, subject to the approval of the utility company and complying with all applicable laws, ordinances and regulations. An attached accessory dwelling unit shall not have or obtain a separate power meter. (Ord. No. 2019-15, § 3, 10-22-19; Ord. No. 2023-08, § 2, 2-21-23; Ord. No. 2023-46, § 67, 12-12-23)
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 128).
Full Breakdown
Orange County Code § 38-1426(2)c.11 requires that impact fees for an accessory dwelling unit be assessed at the rates set forth in Orange County Code Chapter 23, the county's impact fee ordinance. Water and wastewater capital fees for the ADU are also charged, subject to all other applicable laws, ordinances and regulations governing utility connections.
Violations & Fines
Occupying an ADU without paying the assessed impact and capital fees can hold up the utility connection and certificate of occupancy, with disputes handled through the county's standard code enforcement process.
Frequently Asked Questions
Do I pay impact fees for an ADU in unincorporated Orange County?
Are ADU impact fees different from the main house's fees?
Sources & Official References
Other rules in Orange County
Florida rules heatmap·Compare Orange County to another location·View the Florida accessory structures overview
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