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How big a backyard home (accessory dwelling unit) can be in Okeechobee County, who can build one, and who to call to confirm — from the county's published rules.
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| ADUs allowed? | Yes, with conditions |
|---|---|
| Maximum ADU size | About 400 sq ft under current county code |
| Owner must live on site? | Not confirmed in our records |
| Manufactured home as an ADU? | Often allowed, subject to the county's ADU and zoning rules |
County permits 'accessory apartments' in residentially zoned areas (similar to ADUs). Built to Florida Building Code, currently capped small (~400 sq ft, min 6'8" ceiling), requiring a building permit, inspections and Certificate of Occupancy. Must allow ADUs under state law (HB 943 / SB 1730, 2025) — confirm current size cap. City of Okeechobee self-governs.
Source: Okeechobee County code; verified Jul 2026 (size cap likely changing under state law).
Before You Build
ADU rules are set by each county and city — Florida law (Fla. Stat. 163.31771) lets local governments allow ADUs but doesn't require it — and they can change, so always confirm the current rule with Okeechobee County before you build.
Confirm with Okeechobee County: 863-763-5548 · zoning department website ↗
Zoning is set locally and changes often. Answers are guidance only, not a permit guarantee. Always confirm with the local building/zoning department before purchase.
Common Questions
Yes, with conditions. County permits 'accessory apartments' in residentially zoned areas (similar to ADUs). Built to Florida Building Code, currently capped small (~400 sq ft, min 6'8" ceiling), requiring a building permit, inspections and Certificate of Occupancy. Must allow ADUs under state law (HB 943 / SB 1730, 2025) — confirm current size cap. City of Okeechobee self-governs.
About 400 sq ft under current county code.
Our records don't confirm an owner-occupancy requirement for Okeechobee County — ask the county zoning department before you buy.
Often yes — many Florida counties allow a manufactured or modular home as an accessory dwelling unit, subject to Okeechobee County's ADU size, lot, and setback rules. Confirm with the county for your parcel.
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