Accessory Structures in Brevard County, FL (2026)

Brevard County Code § 62-1903

(a)An accessory dwelling unit may only be established on lots where the resulting density of the lot, including the accessory dwelling unit, is consistent with the zoning classification minimum standards and complies with the density designation established by the Comprehensive Plan.(b)No more than one accessory dwelling unit or guesthouse is permitted on a lot.(c)The primary structure on the l...

Brevard County Code § 62-2100.5

Each detached accessory building or structure shall not exceed 600 square feet or 50 percent of the living area of the principal building, whichever is greater. ... Accessory buildings or structures may be administratively expanded beyond the provision stated above ... provided that the residential lot is one acre or larger in area and the floor area of the proposed accessory building does not ...

Brevard County Code §§ 22-811, 22-812, 62-1844

Any owner or owner's agent who desires to place a THOW for use as a primary residential structure shall first obtain a permit from the planning and development department... Anchor/tie down plans must be designed to resist the wind loads determined in accordance with ASCE-7... Tiny house or tiny house on wheels (THOW) use is only allowed on lots that meet the current minimum lot area of their r...