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ADU Rules in Broward County, Florida

How big a backyard home (accessory dwelling unit) can be in Broward County, who can build one, and who to call to confirm — from the county's published rules.

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✓ From the county's published rules

Broward County ADU rules at a glance

ADUs allowed?Yes, with conditions
Maximum ADU sizeVaries by city — typically 400–800 sq ft, up to about 50% of the main home
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
What the county rules say: “Varies by city; typically 400-800 sq ft and up to ~50% of the primary dwelling”

Broward has NO single county-wide ADU standard — rules are set by each city (Fort Lauderdale, Hollywood, Pembroke Pines, etc.). Most require an annually-renewed Certificate of Use obtainable only by the owner, and many require owner-occupancy of one unit. County is in the High-Velocity Hurricane Zone — strictest construction standards. Check with your city's development services department.

Source: Broward is municipality-governed for ADUs; verified Jul 2026.

Inside City Limits

Cities set their own rules

If the property is inside city limits, the city's ADU rules apply instead of the county's.

Before You Build

Confirm the rules first

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 Broward County before you build.

Confirm with Broward County: 954-765-4400 · 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

Broward County ADUs, answered

Can I build an ADU in Broward County, Florida?

Yes, with conditions. Broward has NO single county-wide ADU standard — rules are set by each city (Fort Lauderdale, Hollywood, Pembroke Pines, etc.). Most require an annually-renewed Certificate of Use obtainable only by the owner, and many require owner-occupancy of one unit. County is in the High-Velocity Hurricane Zone — strictest construction standards. Check with your city's development services department.

How big can an ADU be in Broward County?

Varies by city — typically 400–800 sq ft, up to about 50% of the main home.

Does the owner have to live on the property?

Our records don't confirm an owner-occupancy requirement for Broward County — ask the county zoning department before you buy.

Can a manufactured home be an ADU in Broward County?

Often yes — many Florida counties allow a manufactured or modular home as an accessory dwelling unit, subject to Broward County's ADU size, lot, and setback rules. Confirm with the county for your parcel.

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