Looking for accessory dwelling unit companies 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

ADU companies provide end-to-end solutions, often integrating design, permitting, and construction under one roof. You need to engage a company when you want a streamlined experience and want to avoid the stress of hiring separate architects and builders. These companies handle the coordination of the entire project, ensuring that every phase of development transitions smoothly while keeping you updated on the progress and budget status of your new unit.

Frequently asked in Miami

What are the disadvantages of ADUs?

Potential drawbacks include the upfront cost of construction and the impact on your existing yard space. You might also consider how an ADU could affect the privacy of your main home. Navigating permits and zoning can be complex in dense areas like Miami. We aim to simplify that.

How much does an ADU cost in Florida?

The cost of an ADU in Florida varies significantly based on its size, the materials chosen, and site-specific conditions, especially with Miami's building environment. Factors like foundation work and interior finishes also play a major role. For an accurate figure, you'll need a personalized quote. We can help you get one.

What are the rules for ADUs in Miami?

Miami has specific zoning ordinances for ADUs that address lot size, setbacks, parking, and occupancy. These regulations are designed to integrate ADUs thoughtfully into the urban fabric. It's crucial to verify the rules for your specific property. We can assist you with this.

Is an ADU allowed in Miami?

Yes, accessory dwelling units are permitted in Miami, provided they comply with all the city's established zoning and building codes. These guidelines are essential for safety and community integration. Your property's zoning district is a critical factor. We can help you confirm eligibility.

What are the rules for ADU in California?

California has statewide ADU laws designed to streamline the approval process and set minimum standards for local governments. These laws aim to increase housing options. While state guidelines exist, local jurisdictions can still have some unique requirements. Our focus is on Florida regulations.

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

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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: Wynwood, Brickell, South Beach, Coral Gables, Coconut Grove — and every surrounding area.