ADU Rules & Zoning in Naples, Florida (2026)

Updated with 2026 Florida SB-48 Codes

What ADU can you build in your Naples backyard?

Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.

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Find out what ADU you can build in your backyard

— and get a free Naples ADU guide for your area.

Free report · No commitment · 60 seconds

A modern backyard cottage — the kind of ADU homeowners are building across Naples, Florida

Backyard ADUs like this are being built across Naples — here's how to do it right.

Here's exactly what Naples zoning allows

ADU rules for Naples, Collier County. Verify all requirements with local planning.

Zoning allowance

ADUs are permitted in eligible residential zones in Naples under Florida SB-48 (2026). Confirm your parcel zoning with the Collier County Property Appraiser or city planning office.

Size limits

Maximum ADU size in Naples varies by zoning district. Florida SB-48 prohibits size limits below 1,000 sq ft for compliant applications. Verify current local limits.

Lot + setbacks

Setback requirements vary by zoning district in Naples. Confirm exact setbacks with Collier County planning.

Height + coverage

Height and lot coverage limits vary by zoning district. Check Naples zoning code.

Parking

Parking requirements for ADUs in Naples vary by zoning district. Verify with local planning.

Rental / occupancy

Naples does not require owner-occupancy under Florida SB-48 (2026). Verify current local rules.

Permit process

ADU permits in Naples follow standard Florida residential building permit workflow. Contact Collier County building department for current requirements.

Find out what ADU you can build in your backyard

— and get a free Naples ADU guide for your area.

Free report · No commitment · 60 seconds

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

Rental Rules

Short-term rental rules vary — confirm with Naples Planning.

Florida SB-48 (2026 update): Under Florida's statewide ADU law, most single-family homeowners have the right to build an ADU by-right. Local municipalities cannot impose size limits below 1,000 sq ft or require owner-occupancy as a condition of building. If you believe a local denial violates SB-48, consult a Florida land-use attorney.

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 Naples permit process step by step — so you know exactly what's coming, and what to prepare.

1

Step 1: Pre-Application Zoning Check

Where:
Naples 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
2

Step 2: Submit Permit Application

Where:
Naples 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
3

Step 3: Plan Review & Revisions

Where:
Naples 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
4

Step 4: Construction & Inspections

Where:
Naples 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

Find out what ADU you can build in your backyard

— and get a free Naples ADU guide for your area.

Free report · No commitment · 60 seconds

Aerial view of a Florida residential neighborhood — properties where homeowners are adding ADUs

Naples neighborhoods where ADU permits are being filed — is your street next?

Naples ADU — Frequently Asked Questions

These are the questions we hear most often from Naples homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.

Can I build an ADU in Naples, Florida?

ADUs are permitted in eligible residential zones in Naples under Florida SB-48 (2026). Confirm your parcel zoning with the Collier County Property Appraiser or city planning office.

What is the maximum ADU size in Naples?

Maximum ADU size in Naples varies by zoning district. Florida SB-48 prohibits size limits below 1,000 sq ft for compliant applications. Verify current local limits.

Do I need to be an owner-occupant to build an ADU in Naples?

Naples does not require owner-occupancy under Florida SB-48 (2026). Verify current local rules.

Can I use my Naples ADU as an Airbnb?

Contact Naples Planning to confirm current short-term rental rules for ADUs.

How do I get an ADU permit in Naples?

ADU permits in Naples follow standard Florida residential building permit workflow. Contact Collier County building department for current requirements.

Find out what ADU you can build in your backyard

— and get a free Naples ADU guide for your area.

Free report · No commitment · 60 seconds

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Serving homeowners in 34101, 34102, 34103, 34104, 34105, 34108, 34109, 34110, 34112, 34113, 34116, 34119, 34120 and surrounding Naples zip codes.

This page provides general information based on current ordinances and publicly available data as of 2026. Zoning rules change — verify all requirements with your local planning department before making financial commitments.