ADU Rules & Zoning in Orlando, Florida (2026)
What ADU can you build in your Orlando backyard?
Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.
ADU Rules in Orlando, Florida
We've researched Orlando's ADU rules so you don't have to. Here's what matters most — the facts that determine whether your project is possible, and how much it will cost.
- ADU max size: 500 sq ft standard; up to 1,000 sq ft when combined structures do not exceed 50% of lot area (0.50 FAR)
- Minimum lot size requirement: 5,500 sq ft — verify using Orlando Information Locator before designing
- No owner-occupancy requirement — primary home and ADU can both be rented simultaneously
- Short-term rentals under 30 days prohibited in residential zones
- Corner lots and alternative designs require Appearance Review Determination BEFORE building permit
- Historic district properties limited to 700 sq ft and require Certificate of Appropriateness from Historic Preservation Board
- Download free ADU Worksheet at orlando.gov/ADU to calculate FAR and ISR before spending on design
Last verified: 2026-03-05
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Backyard ADUs like this are being built across Orlando — here's how to do it right.
Here's exactly what Orlando zoning allows
Best-available guidance extracted from the original Orlando report artifact. Verify final requirements with planning department.
Zoning allowance
Confirm zoning district and ADU eligibility using the Orlando Information Locator (arcgis.com/apps/instant/lookup). Property must be within City of Orlando jurisdiction in an eligible residential district. Historic District (/HP), Traditional City (/T), or Planned Development (PD) overlays add appro
Size limits
Verify current ADU size limits with City Planning at (407) 246-2269 or cityplanning@orlando.gov. Download the ADU Worksheet at orlando.gov/ADU to calculate FAR and ISR before spending on design.
Parking
Standard residential parking requirements apply. Contact Permitting Services at permittingservices@orlando.gov for current ADU parking standards.
Rental / occupancy
Owner occupancy: Not required by the City of Orlando — both the main house and the ADU may be rented to long-term tenants. Additional rental details should be confirmed with local requirements.
Permit process
Orlando has one of the most helpful ADU permitting processes in Florida — the city publishes detailed guides, worksheets, and supports applicants throughout. Take advantage of this. 1 Use the Orlando Information Locator to Confirm Eligibility Visit arcgis.com/apps/instant/lookup/index.html?appid=8e2d22b94c224e26af59509087dbd56d, enter your address, and confirm: (1) Jurisdiction says 'City of Orlan
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Building limits and rental rules, side by side
These two sets of rules determine what you can build and what income you can expect. Read both before you commit to a design or a rental strategy.
Building Limits
- Max Size:1000 sq ft
- Detached Allowed?Yes
- Max Height:12 ft
- Build Cost Est.:$90,000–$200,000 typical
- Min Rental Period:30 days
Rental Rules
No Owner-Occupancy Requirement: Both units can be rented to tenants simultaneously.
Short-Term Rentals Prohibited: Minimum 30-day stay required in Orlando.
Estimated Monthly Income
$1,350–$1,587/month
Based on 2025–2026 Orlando market data
ADUs are NOT Permitted In:
- Historic districts — 700 sq ft maximum ADU size, Certificate of Appropriateness required from Historic Preservation Board
Here's exactly what you'll pay — and how to avoid the fees that catch most homeowners off guard
Most homeowners spend 3–4 weeks piecing this together on their own. We've mapped the full Orlando permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- City of Orlando Planning Division, 400 S. Orange Ave., Orlando, FL 32801
- Contact:
- (407) 246-2269 · cityplanning@orlando.gov
- What to bring:
- Property address and parcel ID, preliminary site sketch, lot survey
- Timeline:
- No appointment fee — call ahead to confirm office hours
- Cost:
- No fee for initial inquiry
Step 2: Submit Permit Application
- Where:
- https://orlando.gov/Building-Development/Permits-Inspections/Get-a-Permit
- Contact:
- (407) 246-2269
- What to bring:
- Architectural plans, site plan, boundary survey, energy compliance docs
- Timeline:
- FAR/ISR calculation: 1–2 weeks
- Cost:
- $3,000–$10,000
Step 3: Plan Review & Revisions
- Where:
- City of Orlando Planning Division
- Contact:
- (407) 246-2269
- What to bring:
- Responses to any correction letters; revised drawings if required
- Timeline:
- FAR/ISR calculation: 1–2 weeks. Plan preparation: 4–10 weeks. Permit review: 4–8 weeks (longer for corner lots or historic overlays). Total typical: 6–12 months
- Cost:
- No additional fee for standard resubmittal
Step 4: Construction & Inspections
- Where:
- Orlando Building Department
- Contact:
- (407) 246-2269
- What to bring:
- Approved permit set must be on-site at all times during construction
- Timeline:
- Schedule inspections as each phase of work is completed
- Cost:
- Included in permit fee
Full Orlando Permit Cost Breakdown
These are the fees you'll encounter, in the order you'll typically encounter them.
| Cost Item | Amount / Notes |
|---|---|
| Total Estimated Cost | $3,000–$10,000 |
| Building Permit Fee | Based on construction valuation |
| Plan Review | Included in permit fee |
| Impact Fees | Orange County: transportation, school, parks, fire — contact (407) 836-5691 for estimate |
| appearance review | Required for corner lots and alternative designs — contact (407) 246-2269 for current fee |
| historic certificate | Certificate of Appropriateness required for historic district properties — contact Historic Preservation Board |
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Key ADU Restrictions in Orlando
These are the rules that most often catch homeowners by surprise. Read them carefully before engaging an architect.
- ADU max size 500 sq ft standard, 1,000 sq ft if lot meets higher threshold and FAR allows
- Combined square footage of primary home + ADU cannot exceed 50% of lot area (0.50 FAR)
- Corner lots and alternative designs require Appearance Review Determination BEFORE building permit
Common Mistakes to Avoid in Orlando
- Not doing the FAR and ISR math upfront — designing an ADU only to discover FAR limits it
- Assuming you're in City of Orlando when in unincorporated Orange County — different rules and office
- Historic district properties have 700 sq ft max and need Certificate of Appropriateness — add weeks
Eligible Zones in Orlando
ADUs are permitted by-right in these zoning districts. Verify your parcel at the county GIS portal — most homeowners can confirm their zone in under 5 minutes.
Orlando neighborhoods where ADU permits are being filed — is your street next?
Orlando ADU — Frequently Asked Questions
These are the questions we hear most often from Orlando homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Can I build an ADU in Orlando?
Yes, if your lot is at least 5,500 sq ft and your property is in an eligible zone (R-1AA, R-1A, R-1, R-1N, R-2A/B, R-3A/B/C/D, MXD-1/2, O-1, O-2). Confirm eligibility using the Orlando Information Locator and download the free ADU Worksheet at orlando.gov/ADU to check your FAR before spending on design.
What is the maximum ADU size in Orlando?
500 sq ft standard; up to 1,000 sq ft when the combined floor area of all structures does not exceed 50% of your lot area (0.50 FAR). Historic district properties are capped at 700 sq ft. Calculate your FAR using the free ADU Worksheet at orlando.gov/ADU before committing to a design.
Do I need to live on the property to build or rent an ADU in Orlando?
No. Orlando does not require owner-occupancy. You can rent both the primary home and the ADU to long-term tenants (30+ days minimum) simultaneously.
Can I use my Orlando ADU as an Airbnb?
No. Short-term rentals under 30 days are prohibited in Orlando residential zones. The minimum rental period is 30 days. Long-term rentals are fully permitted without any owner-occupancy requirement.
How long does the Orlando ADU permit process take?
6–12 months total: 1–2 weeks to confirm eligibility and calculate FAR, 4–10 weeks for plan preparation, 4–8 weeks for permit review. Corner lot and historic properties require additional review. Schedule a free pre-application meeting at (407) 246-2269 or cityplanning@orlando.gov to identify any overlay requirements early.
Find out what ADU you can build in your backyard
— and get a free Orlando ADU guide for your area.
Free report · No commitment · 60 seconds
Find out what ADU you can build in your backyard
— and get a free Orlando ADU guide for your area.
Free report · No commitment · 60 seconds
Orlando Planning Department
We recommend calling City of Orlando Planning Division at (407) 246-2269 before submitting anything — a 10-minute conversation can save weeks of back-and-forth on your permit application.
City of Orlando Planning Division
Nearby Cities — ADU Rules
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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.