Can you build an ADU in Orlando, FL?

Allowed with site-plan review

ADUs are clearly allowed in some Orlando residential districts, but district-specific caps and form rules apply, including tandem dwelling standards in some cases. Parcel zoning and overlays must be confirmed before treating an ADU as straightforward.

Confidence: high · Last researched June 2026

Accessory Dwelling Unit (ADU) rules

The City’s ADU standards are intended to add inexpensive dwelling units while protecting the one-family residential character of neighborhoods. ADUs are allowed only in certain districts and forms described in the code.

  • Standards apply to all accessory dwelling units throughout the City
  • ADUs must conform to general requirements for accessory uses in Part 5 of Chapter 58
  • ADUs must conform to zoning district and use regulations in Figures 1-2
  • In the O-1 and O-2 zoning districts, only one accessory dwelling unit is permitted on any single family residential building site or an on-site office site, subject to minimum area standards
  • In the R-2A zoning district, a maximum of two units are allowed per Building Site, and ADUs are prohibited where there is an existing duplex or tandem dwelling or with any new duplex or tandem dwelling development
  • In the R-2B zoning district, multifamily development, including ADUs, is permitted if in compliance with Part 3H
  • On any building site in an R-2A or R-2B district, any new accessory dwelling over 500 sq. ft. and built in connection with a one family dwelling must conform to tandem dwelling standards in Part 3C
  • All accessory dwelling units must be smaller than the principal structure

Related questions

Are ADUs allowed in Orlando, FL?

The City’s ADU standards are intended to add inexpensive dwelling units while protecting the one-family residential character of neighborhoods. ADUs are allowed only in certain districts and forms described in the code.

Full investor analysis

You've seen the general rule. The full Orlando, FL report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.

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More about Orlando, FL zoning

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This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Orlando, FL officials before making decisions.

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