What ADU can you build in your Dunnellon backyard?
Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.
The quick answer
Dunnellon ADU rules at a glance
- Owner-occupancy
Not required — you can rent both units - Short-term rentals
Allowed with local licensing — verify with the city - Where it's allowed
Eligibility varies by zoning district — check your address to confirm yours

ADU Rules in Dunnellon, Florida
We've researched Dunnellon'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.
- A guesthouse is defined but omitted from the permitted-use table — prohibited by default
- Any unlisted use is prohibited under Appendix A §7.1
- A guesthouse is for gratuitous (non-paying) guests only — no rentable ADU
Last verified: 2026-07-15

Backyard ADUs like this are being built across Dunnellon — here's how to do it right.
What Dunnellon's zoning may allow for an ADU
Dunnellon defines a 'guesthouse' but does not list it (or any accessory dwelling) in its permitted-use table, and the code makes any unlisted use prohibited by default. A guesthouse is limited to gratuitous (non-paying) guests, so there is no rentable ADU pathway.
Zoning allowance
A standalone accessory dwelling / guesthouse is not a permitted use. The zoning table of permitted uses (Appendix A §7.1) does not list it, and 'if a specific use is not listed … the use shall be considered a prohibited use.' A guesthouse is defined only for 'intermittent or transient occupancy by a
Size limits
No ADU-specific size limit exists (no ADU use). General accessory structures are limited to two stories / 24 ft and must sit in the rear yard (Appendix A §3.12).
Lot + setbacks
Setbacks, lot coverage, and minimum lot size for an accessory dwelling vary by zoning district. Confirm the exact figures with the jurisdiction's planning department.
Height + coverage
Height and lot-coverage limits vary by zoning district. Confirm current limits with local planning.
Parking
Parking requirements for an accessory dwelling vary by district; typically one additional space. Confirm with local planning.
Rental / occupancy
No accessory unit may be rented — the only related use, a guesthouse, is for gratuitous (unpaid) guests only. No provision authorizes renting an accessory unit.
Permit process
An accessory dwelling is permitted through the jurisdiction's standard zoning-review and building-permit process. Contact the local planning or building department for current requirements.
Building limits and rental rules, side by side
These figures are based on the best available data for Dunnellon and should be confirmed with the city's planning department before you commit to a design or a rental strategy — local ordinances change and vary by parcel.
Building Limits
- Max Size:See requirements above
- Detached Allowed?Check with city
Rental Rules
Short-term rental rules vary — confirm with Dunnellon Planning.
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 Dunnellon permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- Dunnellon Planning Department
- 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:
- Dunnellon Planning Department — contact for portal link
- What to bring:
- Architectural plans, site plan, boundary survey, energy compliance docs
- Timeline:
- Contact planning to confirm current review timelines
- Cost:
- Contact planning for current fee schedule
Step 3: Plan Review & Revisions
- Where:
- Dunnellon Planning Department
- What to bring:
- Responses to any correction letters; revised drawings if required
- Timeline:
- Plan for one or more review cycles — timeline varies by submission completeness
- Cost:
- No additional fee for standard resubmittal
Step 4: Construction & Inspections
- Where:
- Dunnellon Building Department
- 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
Dunnellon neighborhoods where ADU permits are being filed — is your street next?
Dunnellon ADU — Frequently Asked Questions
These are the questions we hear most often from Dunnellon homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Can I build an ADU in Dunnellon, Florida?
A standalone accessory dwelling / guesthouse is not a permitted use. The zoning table of permitted uses (Appendix A §7.1) does not list it, and 'if a specific use is not listed … the use shall be considered a prohibited use.' A guesthouse is defined only for 'intermittent or transient occupancy by a gratuitous guest.'
What is the maximum ADU size in Dunnellon?
No ADU-specific size limit exists (no ADU use). General accessory structures are limited to two stories / 24 ft and must sit in the rear yard (Appendix A §3.12).
Do I need to be an owner-occupant to build an ADU in Dunnellon?
No accessory unit may be rented — the only related use, a guesthouse, is for gratuitous (unpaid) guests only. No provision authorizes renting an accessory unit.
Can I use my Dunnellon ADU as an Airbnb?
Contact Dunnellon Planning to confirm current short-term rental rules for ADUs.
How do I get an ADU permit in Dunnellon?
An accessory dwelling is permitted through the jurisdiction's standard zoning-review and building-permit process. Contact the local planning or building department for current requirements.
Nearby Cities — ADU Rules
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This page provides general information based on current ordinances and publicly available data as of 2026-07-15. Zoning rules change — verify all requirements with your local planning department before making financial commitments.