What ADU can you build in your Deltona 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
Deltona ADU rules at a glance
- Owner-occupancy
Required — you must live on the property - Short-term rentals
Restricted — long-term rentals only in most zones - Where it's allowed
Eligibility varies by zoning district — check your address to confirm yours
ADU Rules in Deltona, Florida
We've researched Deltona'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.
- Accessory 'granny flat' allowed only in RE/A/R1 districts (Code §110-827)
- Occupancy limited to immediate family or a caregiver — not a rental-income unit
- Size 400 sq ft to 35% of the main home; confirm current rule with the city (medium confidence)
Last verified: 2026-07-15
Backyard ADUs like this are being built across Deltona — here's how to do it right.
What Deltona's zoning may allow for an ADU
Deltona allows an accessory 'granny flat' only in its RE/A/R1 districts and only for immediate family or a caregiver — not as an income rental. A granny flat runs 400 sq ft to 35% of the main home. Primary code text could not be fully retrieved; confirm the current rule with the city. (Medium confidence.)
Zoning allowance
Deltona permits accessory dwellings ('granny flats', garage apartments, mother-in-law apartments) in its RE-1, RE-5, A, R1-AAA, R1-AA and R1 districts, restricted to occupancy by the owner's immediate family or a caregiver (Code §110-827).
Size limits
A Deltona granny flat must be at least 400 sq ft and no more than 35% of the principal dwelling's gross floor area (Code §110-827). Setbacks and height were not confirmed from the primary text.
Lot + setbacks
Setback requirements vary by zoning district in Deltona. Confirm exact setbacks with Volusia County planning.
Height + coverage
Height and lot coverage limits vary by zoning district. Check Deltona zoning code.
Parking
Parking requirements for ADUs in Deltona vary by zoning district. Verify with local planning.
Rental / occupancy
Deltona's accessory dwelling is family-only — occupancy is limited to immediate family or a caregiver, so it is not a general-market rental (Code §110-827).
Permit process
ADU permits in Deltona follow standard Florida residential building permit workflow. Contact Volusia County building department for current requirements.
ADU Size Examples (35% of Primary)
| Primary Home Size | Max ADU Size |
|---|---|
| 1,200 sq ft | 420 sq ft |
| 1,800 sq ft | 630 sq ft |
| 2,400 sq ft | 840 sq ft |
Formula applies to floor area of primary dwelling. Verify exact measurement with Deltona Planning.
Building limits and rental rules, side by side
These figures are based on the best available data for Deltona 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
Owner-Occupancy Required: You must live in either the primary home or the ADU.
Short-Term Rentals Prohibited: Minimum 30-day stay required in Deltona.
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 Deltona permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- Deltona 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:
- Deltona 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:
- Deltona 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:
- Deltona 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
Eligible Zones in Deltona
ADUs may be permitted in these zoning districts, but eligibility depends on your specific parcel and the current local ordinance. Confirm your parcel and rules with Deltona Planning before relying on this — most homeowners can check their zone at the county GIS portal in a few minutes.
Deltona neighborhoods where ADU permits are being filed — is your street next?
Deltona ADU — Frequently Asked Questions
These are the questions we hear most often from Deltona homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Can I build an ADU in Deltona, Florida?
Deltona permits accessory dwellings ('granny flats', garage apartments, mother-in-law apartments) in its RE-1, RE-5, A, R1-AAA, R1-AA and R1 districts, restricted to occupancy by the owner's immediate family or a caregiver (Code §110-827).
What is the maximum ADU size in Deltona?
A Deltona granny flat must be at least 400 sq ft and no more than 35% of the principal dwelling's gross floor area (Code §110-827). Setbacks and height were not confirmed from the primary text.
Do I need to be an owner-occupant to build an ADU in Deltona?
Deltona requires owner-occupancy — you must live in either the primary home or the ADU.
Can I use my Deltona ADU as an Airbnb?
Short-term rentals under 30 days are prohibited in Deltona. The minimum rental period is 30 days.
How do I get an ADU permit in Deltona?
ADU permits in Deltona follow standard Florida residential building permit workflow. Contact Volusia County building department for current requirements.
Nearby Cities — ADU Rules
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More Volusia County ADU Guides
Serving homeowners in 32725, 32738, 32739 and surrounding Deltona zip codes.
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.