Planning commission recommends city ordinance to allow accessory dwelling units, 5-1

Sebastian, Fla. — The Sebastian City Planning and Zoning Commission voted 5-1 Thursday to recommend that City Council approve a proposed amendment to the city’s land development code to add standards and definitions for accessory dwelling units across the city.

The commission’s recommendation applied to Ordinance No. 0 25 0 6, a textual amendment that would add a definition and regulations for accessory dwelling units (ADUs), remove “guest houses” as a conditional use in two single-family zoning districts, and clarify how ADUs count toward density. The motion included two requested modifications: limit ADUs to one per lot and revise short-term rental restrictions to conform with state statute. The vote was 5 in favor, 1 opposed and one commissioner absent.

Why it matters: Supporters said ADUs would provide smaller, less costly housing options for aging parents, multigenerational households and younger workers, while staff and commissioners highlighted design standards and limits intended to keep ADUs subordinate to primary homes. Opponents and several public commenters said they worried the change could be used to create rental units that alter neighborhood character and strain services.

Staff described the proposed ordinance as citywide, not site-specific, and said it was assembled using model language from other Florida municipalities, an AARP model ordinance and guidance from the American Planning Association. A staff member said, “We did not do any workshops on this because this is a…