ADU rules in Winter Haven, FL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Accessory Dwelling Units in Winter Haven are regulated by Chapter 21 ULDC. Most single-family residential zones in Winter Haven allow a limited accessory dwelling unit subject to size limits, owner-occupancy requirement of the main house, and minimum lot size standards.
Chapter 21 Article II Division 6 governs accessory structures and limited accessory dwellings. Typical Winter Haven ADU standards (verify district-specific with Planning at 863-291-5600): the main dwelling must be owner-occupied, the ADU may be attached or detached from the main house, ADU size capped at a percentage of the main dwelling (often 30-50% or maximum 800 sq ft), at least one additional off-street parking space, setbacks meet the principal-structure rules. Short-term rental use of the ADU is governed by state DBPR rules. Florida 2024 housing legislation (Live Local Act, SB 102) does not directly preempt single-family ADU rules but provides density bonuses in commercial mixed-use zones for affordable housing. Building permit through Winter Haven Building Division required.
Unpermitted ADU construction is a Ch. 5 violation - stop-work order, double permit fee, possible required removal. Renting an ADU without complying with Ch. 21 occupancy rules or without a BTR/DBPR license is enforced by Code Compliance.
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