Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
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Frequently asked in St. Petersburg
What are the disadvantages of ADUs in St. Petersburg?
Some disadvantages might include the initial construction cost and ensuring compliance with St. Petersburg's specific building codes, especially regarding hurricane preparedness. You'll also want to consider the impact on your existing yard and parking. However, the added living space or rental income is often a significant benefit.
How much does an ADU cost in Florida?
What are the rules for ADUs in St. Petersburg?
St. Petersburg has specific regulations for ADUs, covering aspects like lot coverage, setbacks, and parking. It's essential to review the city's zoning ordinance for the most up-to-date requirements. Our local specialists can guide you through these rules to ensure your project complies.
Is an ADU allowed in St. Petersburg?
Yes, ADUs are permitted in St. Petersburg, but you must adhere to the city's established guidelines. These rules ensure that ADUs integrate well with existing neighborhoods. We can help you confirm your property's eligibility and navigate the permitting process.
Can I build an ADU near the beach in St. Petersburg?
Building an ADU near the beach in St. Petersburg is possible, but you'll need to carefully follow all coastal building codes and zoning regulations. These often include specific requirements for wind resistance and materials. A professional assessment is key to understanding feasibility.
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: Kenwood, Old Northeast, Downtown St. Petersburg, Gulfport, Tierra Verde — and every surrounding area.
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