Looking for accessory dwelling unit services in St. Petersburg, FL? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve St. Petersburg and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

These services cover the entire lifecycle of a backyard home, from initial property assessments to navigating local permit applications. You need this when you want to add living space but don't want to handle the complex zoning paperwork or design requirements yourself. Professionals guide you through the rules to ensure your project stays compliant with state and city codes while maximizing your property’s potential for rental income or housing family members.

Frequently asked in St. Petersburg

What are the disadvantages of ADUs?

Some drawbacks include potential impacts on your property's yard space and increased utility bills. You'll also want to consider neighbor relations and any potential parking challenges. Consulting with a local expert can help you anticipate and mitigate these issues. They can offer solutions specific to St. Petersburg.

How much does an ADU cost in Florida?

The price for an ADU in Florida depends heavily on its size, design, and the complexity of the site. Factors like foundation work, utility connections, and finishing materials in St. Petersburg will affect the total. A complimentary quote provides the most accurate cost for your project. We can help you get that.

What are the rules for ADUs in St. Petersburg?

Is an ADU allowed in Florida?

Yes, Florida has been increasingly supportive of ADUs, with many cities like St. Petersburg allowing them. The exact rules vary by municipality. It's important to verify the specific regulations for your St. Petersburg address. A quick call can clarify this for you.

That particular grant is exclusive to California and does not apply to Florida. However, exploring local St. Petersburg incentives or financing options might be beneficial. We can guide you towards resources relevant to the Sunshine State. Ask about this when you connect.

What are the rules for ADUs in areas near Tampa?

While rules can differ slightly between St. Petersburg and nearby Tampa, there are often common themes. However, always verify the specific ordinances for your exact address. The pros can provide localized guidance for your St. Pete property. Ensure compliance with all local regulations.

Also serving nearby: Clearwater · Tampa · Lakeland · Plantation · North Port

All cities in Florida →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

263,553residents

4,264per sq mile

—ZIP codes served

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, Crescent Lake, Old Northeast, Tyrone — and every surrounding area.