ADU Builders in Hillsborough County, Florida
ADU builders in Hillsborough County, Florida — 13 verified contractors in our directory. They build addition, garage conversion and more. Browse profiles below or visit their websites for details.
ADU Rules
Building an ADU in Hillsborough County
Tampa permits a rentable ADU (up to 950 sq ft, owner-occupied) only as a Special Use in four areas — Seminole Heights, around Lowry Park, and the East Tampa and Tampa Heights overlays. Everywhere else, an accessory unit may only be a family-only Extended Family Residence. Most Tampa addresses cannot build a market-rate rentable ADU.
Source: adufloridainfo.com · Last updated Jul 2026
ADU Builders in Hillsborough County, Florida
ADU Builders by City in Hillsborough County
2 Hillsborough County cities with dedicated ADU-builder guides. Pick your city for local zoning summary, lot qualifier, and the nearest licensed contractors.
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