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Tampa ADU guides
Short answer first, then the detail, the exceptions and where the information came from. Every rule carries a date.
Updated October 2026
How much does an ADU cost in Tampa?
Published 2026 estimates for Tampa and St. Petersburg, and the line items that swing them.
Read the guideWhere are ADUs allowed in Tampa?
The eligible-area map, the 950 sq ft limit and the family-only option elsewhere.
Read the guideCan I rent my ADU on Airbnb in Tampa?
Tampa, St. Petersburg and state law on short stays.
Read the guideDoes an ADU in Tampa have to be elevated for flooding?
Base flood elevation, the 50 percent rule and garage floors.
Read the guideCan my HOA stop me from building an ADU in Tampa?
Why covenants and zoning are separate tests.
Read the guideWill an ADU raise my property taxes in Tampa?
New construction value, homestead and the Save Our Homes cap.
Read the guideFind out what your lot allows
The guides explain the rules in general. Send your address for a parcel-specific answer.