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Port Orange, FL Accessory Structures: ADU Rules (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

ADU rules in Port Orange, FL, also called accessory dwelling unit regulations or granny flat ordinances, cover setbacks, owner-occupancy, parking, and permit requirements.

Key Facts

Living area range
480 to 800 square feet
Approval type
Special exception (R-7SF district)
Driveway width
10 feet minimum, stabilized surface
Setbacks
Match principal house's side/rear setbacks
Approval expires
2 years if unbuilt; 6 months if abandoned

Summary

A garage apartment, an accessory dwelling combining vehicle storage with a separate living unit, is allowed in Port Orange's R-7SF single-family district only as a special exception. Land Development Code Chapter 18, Section 3(b)(7.5) caps its living area between 480 and 800 square feet and requires matching architecture and setbacks with the main house.

(7.5)Garage apartments (R-7SF).(a)The living area shall be a minimum of 480 square feet and a maximum of 800 square feet.(b)The proposed architectural treatment shall be consistent with the principal residential structure on the property.(c)The garage apartment structure shall meet the same side and rear yard building setbacks as the principal residential structure on the property.(d)Access to the street shall be provided by a stabilized driveway with a minimum width of ten feet.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 43 | Land Development Code: Supplement 38).

Full Breakdown

5), not a use permitted by right. Getting one approved means going through the special exception process in Chapter 18, Section 2: a written application with a conceptual site plan goes to the city, the planning commission holds a public hearing after the city sends certified-mail notice to adjacent property owners at least 15 days ahead, posts signs on the property, and publishes notice in a newspaper of general circulation, and the planning commission's recommendation then goes to the city council for final action. Once granted, the special exception standards specific to garage apartments require the living area to fall between 480 and 800 square feet, no smaller and no larger, the architectural treatment to match the principal house on the property, the same side and rear yard building setbacks that apply to the principal structure, and a stabilized driveway at least 10 feet wide connecting the unit to the street.

5), though the NP version adds the same side and rear setback match found in the R-7SF standard. A special exception granted for a garage apartment runs with the land and can transfer with a sale, but it lapses if not built within two years of approval or is abandoned for six months or more, per Chapter 18, Section 2(e).

Violations & Fines

It is a violation of the Land Development Code for any property owner to refuse or fail to comply with any term or condition of a special exception, including the garage apartment's size, setback and driveway standards, under Chapter 18, Section 2(h); the code allows the violation to be prosecuted or enforced as provided by law for municipal ordinances, which for LDC violations without a specific penalty falls back to City Code Section 1-8's fine of up to $500.00 or 60 days imprisonment, with each day treated as a separate offense.

Frequently Asked Questions

Can I build a garage apartment on my R-7SF lot in Port Orange?
Only with an approved special exception. Land Development Code Chapter 18, Section 3(b)(7.5) allows garage apartments in the R-7SF single-family district, but the use requires a public hearing before the planning commission and a final vote by the city council, not a routine building permit alone.
How big can a Port Orange garage apartment be?
The living area must be at least 480 square feet and no more than 800 square feet under Chapter 18, Section 3(b)(7.5), and the unit's architecture and side and rear setbacks must match the main house on the same lot.
What happens if I never build my approved garage apartment special exception?
It expires. Chapter 18, Section 2(e) voids a special exception that isn't initiated within two years of approval, and one that sits unused for six months or more after being built is treated as abandoned, in both cases requiring a brand-new public hearing before it can be used again.

Sources & Official References

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How Port Orange compares: Easiest Cities to Build an ADU·Florida rules heatmap·Compare Port Orange to another location·View the Florida accessory structures overview

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