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Miami-Dade County and the accessory dwelling units (ADU)

The need for affordable housing in South Florida is not an isolated issue. In Miami-Dade County, the need for housing, the increase in the elderly population without economic resources and the high cost of rent have caused a housing crisis.

In response with that, the Board of County Commissioners approved an ordinance that authorized homeowners in unincorporated areas of the county to rent out attached or detached accessory dwelling units if they meet specific standards, such as lot size and parking requirements.

As Miami- Dade County’s ordinance specified, approving the ADUs Ordinance “can help tenants find more affordable, smaller non-transient dwellings and can help homeowners build wealth in their existing single-family residences or, in some instances, make the purchase or maintenance of a home feasible by reducing the homeowner’s financial burden.”

The regulations for ADUs in Miami, Florida are set by the Miami-Dade County Zoning Code. Here are some key points to keep in mind:

1. Location: ADUs are allowed in most residential zoning districts, as long as they meet the minimum lot size and setback requirements.

2. Size: ADUs cannot exceed 50% of the size of the primary dwelling unit on the property, and they must be no larger than 1,200 square feet.

3. Parking: One additional off-street parking space is required for the ADU.

4. Owner occupancy: The property owner must occupy either the primary dwelling unit or the ADU.

5. Building codes: ADUs must comply with all applicable building codes and standards.

6. Permits: A building permit is required before starting construction on an ADU.

It's important to note that regulations can vary depending on the specific location within Miami-Dade County, so it's best to check with the local zoning department or consult with a professional contractor or architect who has experience building ADUs in the area.

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