Backyard 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
This is a detached living space built on your property, separate from your main home. People typically choose this option when they need a private office, a guest suite, or a separate place for family members to stay while maintaining distance from the primary house. These units use existing yard space to add square footage to your property without an addition to the main structure. Exact pricing confirmed free on the call.
Frequently asked in St. Petersburg
Who are the best accessory dwelling unit builders in St. Petersburg?
What makes a good accessory dwelling unit home?
A well-designed ADU home in St. Petersburg offers smart living space. It should feel comfortable and functional, like a regular home. Think about natural light and efficient layouts. We can help you find builders who create great ADU homes.
How can I finance an accessory dwelling unit in St. Petersburg?
Financing your St. Petersburg ADU often involves home equity loans or personal loans. Some banks offer specific construction loans. Discussing your options with a financial advisor is wise. We can get you an estimate to help with your financial planning.
Are in-law suites a good idea for St. Petersburg homes?
In-law suites, or accessory dwelling units, are excellent for St. Petersburg homes. They provide independent living space for family members. This can also add value to your property. Get advice on building one.
What's the permit process for an ADU in St. Petersburg?
What are the general rules for accessory dwelling units in St. Petersburg?
St. Petersburg has specific rules for accessory dwelling units regarding size, setbacks, and parking. These regulations ensure they integrate well into neighborhoods. Understanding these rules is key. We can help you find pros who know them.
What are the benefits of having a mother-in-law suite?
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 Old Northeast, Crescent Lake, Beach Drive, Kenwood — and every surrounding area.
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