Local adu — St. Petersburg, FL
Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
Frequently asked in St. Petersburg
How can I finance an ADU in St. Petersburg?
Can I rent out my ADU in St. Petersburg?
What's involved in building a detached ADU in St. Petersburg?
What are the permit requirements for an ADU in St. Petersburg?
Are there grants available for ADUs in St. Petersburg?
How much space does a backyard ADU typically need in St. Petersburg?
What is an ADU unit?
Also serving nearby: Clearwater · Tampa · Lakeland · Plantation · North Port
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of St. Petersburg — population 263,553; about 4,264 residents per square mile across 61.8 sq mi.
Neighborhoods served in St. Petersburg: Downtown St. Petersburg, The Edge District, Old Northeast, Beach Drive, Gulfport — and every surrounding area.
More services in St. Petersburg
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