Affordable accessory dwelling unit — 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.
About this service
Affordability in ADUs usually comes down to smart design choices and efficient use of existing square footage. Opting for standard finishes or building above a garage can help manage your budget more effectively than a custom luxury build. We focus on transparent planning to help you reach your goals. Exact pricing confirmed free on the call.
Frequently asked in St. Petersburg
What are the basics of ADU housing in St. Petersburg?
What are the downsides of having an accessory dwelling unit?
How much does it typically cost to build an accessory dwelling unit?
What are the permit costs for an accessory dwelling unit?
What does 'accessory dwelling unit' actually mean?
How do I find a good ADU builder in St. Petersburg?
What are the requirements for a backyard accessory dwelling 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: Old Northeast, Downtown St. Petersburg, Gulfport, Kenwood, Coquina Key — and every surrounding area.
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