St. Petersburg ADU Rules

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

Building Limits

  • Max Size (Sq Ft):800 sq ft
  • Setbacks:Standard
  • Detached Allowed?Yes

Rental Rules

Rentals Allowed: You can rent out your ADU in St. Petersburg 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 St. Petersburg?

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