ADU Rules & Zoning in Fort Myers, Florida (2026)

Updated with 2026 Florida SB-48 Codes

What ADU can you build in your Fort Myers backyard?

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Fort Myers 2026 ADU Requirements Snapshot

Fort Myers ADU rules under Florida SB-48. Lee County impact fees apply. Verify current requirements with city planning post-Hurricane Ian recovery.

Download full city guideLast updated: 2026-03-12
Zoning allowanceADUs permitted on eligible single-family residential parcels in RS zones under Florida SB-48 (2026).
Size limitsUp to 1,000 sq ft under SB-48 statewide baseline.
Lot + setbacksTypical setbacks: 5ft side, 10ft rear. Verify with Fort Myers Building Services.
Height + coverageMaximum 25ft. Lot coverage limits apply.
ParkingOne additional off-street space may be required.
Rental / occupancyOwner-occupancy not required under SB-48. STR permitted with Lee County registration.
Permit processBuilding permit through Fort Myers Building Services. Full inspection process.

What this means for your lot

  • Use the address checker first to verify parcel-specific zoning.
  • Confirm setbacks and lot geometry before spending on plans.
  • Check short-term rental rules carefully — they vary significantly by city.

Key gotchas

  • Post-Hurricane Ian construction demand in Lee County means contractor quotes and timelines require extra verification
  • Lee County impact fees can be substantial — get current fee schedule before finalizing project budget
  • Some Fort Myers neighborhoods have deed restrictions from historical platting — check title before 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.

Building Limits

  • Max Size:1000 sq ft
  • Setbacks:5ft side / 10ft rear
  • Detached Allowed?Yes
  • Max Height:25 ft
  • Build Cost Est.:$90,000–$185,000

Rental Rules

No Owner-Occupancy Requirement: Both units can be rented to tenants simultaneously.

Short-Term Rentals: Not prohibited at the city level. State DBPR license required.

Estimated Monthly Income

$1,100–$1,800/month

Based on 2025–2026 Fort Myers market data

Key ADU Restrictions in Fort Myers

  • Lee County impact fees have increased significantly following Hurricane Ian recovery — verify current fee schedule before budgeting
  • Post-Ian contractor availability in Lee County remains constrained — ADU construction timelines may be longer than in other Florida markets
  • Flood zone compliance required for parcels in FEMA flood zones — check your parcel's designation before designing

Common Mistakes to Avoid in Fort Myers

  • Post-Hurricane Ian construction demand in Lee County means contractor quotes and timelines require extra verification
  • Lee County impact fees can be substantial — get current fee schedule before finalizing project budget
  • Some Fort Myers neighborhoods have deed restrictions from historical platting — check title before planning

Eligible Zones in Fort Myers

RS-1RS-2RS-TF

Fort Myers ADU — Frequently Asked Questions

Can I build an ADU in Fort Myers, Florida?

ADUs permitted on eligible single-family residential parcels in RS zones under Florida SB-48 (2026).

What is the maximum ADU size in Fort Myers?

Up to 1,000 sq ft under SB-48 statewide baseline.

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

Fort Myers does not require owner-occupancy. Both the primary home and ADU can be rented to tenants simultaneously.

Can I use my Fort Myers ADU as an Airbnb?

Fort Myers does not prohibit short-term rentals at the city level. You must obtain a Florida DBPR Vacation Rental Dwelling license.

How do I get an ADU permit in Fort Myers?

Building permit through Fort Myers Building Services. Full inspection process.

Fort Myers Planning Department

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.