Accessory Dwelling Unit Permit Cost in Miami, FL

Looking for accessory dwelling unit permit cost in Miami, FL? Call AccessoryDwellingUnit Direct for a contact a provider — no obligation. Licensed adu builders serve Miami and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

Securing permits is a mandatory step that covers city review fees, impact fees, and inspections to ensure your build meets safety codes. These costs vary significantly by city and the scope of your specific project. Because local jurisdictions set their own fee structures, we assist you in estimating these expenses during our initial consultation. We ensure you have a clear picture of all regulatory requirements before you begin. Exact pricing confirmed free on the call.

Frequently asked in Miami

What are the disadvantages of ADUs in Miami?

Potential disadvantages of ADUs in Miami can include higher construction costs due to labor and materials, increased utility bills, and the need for careful consideration of parking and privacy. Managing rental properties also comes with its own set of responsibilities. Discussing these points with experienced builders is wise.

How much does an ADU cost in Florida?

The cost of an ADU in Florida varies greatly depending on its size, design, chosen materials, and the specific location within the state. Factors like foundation requirements, plumbing, and electrical work significantly impact the final price. A personalized quote from a local professional is the most accurate way to determine your project's cost.

What are the rules for ADUs in Miami?

Is an ADU allowed in Miami?

Yes, ADUs are permitted in Miami under the city's zoning and building codes. The city has been encouraging ADUs as a way to increase housing density and affordability. You'll need to ensure your plans meet all local requirements, which the specialists can guide you on.

What are ADU permit costs in Miami?

While widespread ADU grants aren't common in Miami, it's always worth inquiring about potential local programs or incentives during your consultation with the ADU specialists.

Also serving nearby: Hialeah · Miami Gardens · Miramar · Hollywood · Pembroke Pines

All cities in Florida →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

455,924residents

12,665per sq mile

8ZIP codes served

Serving all of Miami — population 455,924; about 12,665 residents per square mile across 36.0 sq mi. ZIP codes covered include 33101, 33102, 33106, 33111, 33112, 33116, 33122, 33124.

Neighborhoods served in Miami: South Beach, Coral Gables, Brickell, Wynwood, Little Havana — and every surrounding area.