ADU Builders in Pinellas County, FL
We've found 7 ADU builders serving Pinellas County, Florida. They cover detached adu, garage conversion and more. Browse builders below or visit their websites for details.
ADU Rules
Building an ADU in Pinellas County
Detached ADU✓ Allowed
Garage Conversion✓ Allowed
Min lot size6,000 sq ft
Max ADU size1,000 sq ft
Owner occupancyRequired
Short-term rental✓ Permitted
Permit timeline: typically 3–6 weeks
Max 1,000 sq ft (750 sq ft in Coastal Storm Areas and FEMA flood zones) STR requires Certificate of Use ($450 initial + $150 inspection, $450 annual renewal) — active enforcement
Source: adufloridainfo.com · Last updated Mar 2026
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