Santa Rosa County, FL Accessory Structures: Garage Conversions (2026)
Garage conversion rules in Santa Rosa County, FL, sometimes called garage-to-ADU or accessory living unit conversions, govern permits, ceiling height, egress, and parking replacement.
Key Facts
- Trigger
- Stove/oven = guest cottage (ADU)
- Building code
- Full FBC review required
- Max cottage size
- 50% of main dwelling
- Governing section
- LDC 5.02.06
- Permit
- Alteration permit required
Summary
Converting a detached garage or accessory building into living space in the unincorporated county turns it into a guest cottage/ADU once it has a stove or oven, triggering LDC 5.02.06 cottage standards and full Florida Building Code review.
An accessory structure with a stove and/or oven is defined as a guest cottage whereas an accessory structure without a stove and/or oven is not. Guest house or guest cottage must meet the requirements of the Florida Building Code in including the conversion of an accessory structure.
Full Breakdown
Santa Rosa County's LDC defines a private garage as a detached accessory building or portion of the principal building for vehicle storage. If you convert an accessory building to living quarters, LDC 5.02.06 controls: an accessory structure with a stove and/or oven is defined as a guest cottage, and 'guest house or guest cottage must meet the requirements of the Florida Building Code including the conversion of an accessory structure.' The resulting cottage cannot exceed 50% of the main dwelling's floor area, needs a 60-foot front setback (or to sit behind the home's rear wall), and must keep the home's side/rear setbacks. Converting an attached garage to a habitable room is a building-permit alteration under the Florida Building Code.
Violations & Fines
An unpermitted conversion violates the LDC and Florida Building Code; the county may require permits, inspection, correction, or reversal and levy code-enforcement fines.
Frequently Asked Questions
Can I convert my garage to a rental apartment?
Do I need a permit to finish a garage into a bedroom?
Sources & Official References
Other rules in Santa Rosa County
Florida rules heatmap·Compare Santa Rosa County to another location·View the Florida accessory structures overview
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