Duval County Jurisdiction

Jacksonville ADU Rules

Specific zoning regulations for building a backyard cottage in Jacksonville, FL.

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Building Limits

  • Max Size (Sq Ft):750 sq ft
  • Setbacks:10ft Rear / 5ft Side
  • Detached Allowed?Yes

Rental Rules

Rentals Allowed: You can rent out your ADU in Jacksonville to long-term tenants (usually 30+ days).

Note: Short-term rentals (Airbnb) usually require a separate license and are often restricted in residential zones.

Planning to build in Jacksonville?

We connect you with vetted ADU builders who know the Jacksonville building code and permit process.