Looking for the best custom ADU builders in St. Petersburg, Florida? Our directory features 16 vetted custom adu builders serving the St. Petersburg area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
Custom Building Professionals Florida LLC. General contractor. 219 12th Ave NE, St. Petersburg, FL 33701, United States
Iridium Development Inc. Home builder. 2828 Central Ave, St. Petersburg, FL 33712, United States
CASK Construction. Custom home builder. 900 16th St N, St. Petersburg, FL 33705, United States
Asta Home Builders. General contractor. 5825 66th St N Suite 207, St. Petersburg, FL 33709, United States
Pioneer Built. Construction company. 349 14th St N, St. Petersburg, FL 33705, United States
Suncoast Dwellings LLC. Home builder. 360 Central Ave, St. Petersburg, FL 33701, United States
Phill's Home Construction. Home builder. 6509 Central Ave, St. Petersburg, FL 33710, United States
Sustainable Solutions General Contracting. General contractor. 8637 Macoma Dr NE, St. Petersburg, FL 33702, United States
Sun Bay Builders. Custom home builder. 4158 Haines Rd N, St. Petersburg, FL 33703, United States
Specializing in ADU construction and related services in St. Petersburg, FL.
Central Builders Group. General contractor. 974 50th Ave N, St. Petersburg, FL 33703, United States
Specializing in ADU construction and related services in St. Petersburg, FL.
Coastline Development. Custom home builder. 595 45th Ave NE, St. Petersburg, FL 33703, United States
Credence Construction, LLC. General contractor. 2805 Dr M.L.K. Jr St N, St. Petersburg, FL 33704, United States
Deslandes Design Build. Home builder. 2880 1st Ave N, St. Petersburg, FL 33713, United States
The Addison Group of Saint Petersburg. Custom home builder. 132 Mirror Lake Dr N Suite 301, St. Petersburg, FL 33701, United States
St. Petersburg is one of the top markets for accessory dwelling units in Florida. With growing demand for affordable housing, ADU construction in St. Petersburg offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in St. Petersburg helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in St. Petersburg typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed custom adu builders to compare prices.
Yes, ADU construction in St. Petersburg requires building permits. Florida has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in St. Petersburg typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.