ADU Craft Miami
ADU builder · Miami, FL

A second home on your Miami lot, built for hurricane season.

Detached ADUs, garage conversions, attached in-law suites and efficiency apartments for Miami-Dade homeowners. We design to the High-Velocity Hurricane Zone code, pull the permits and build. Licensed and insured.

Check what my lot allows See Miami costs
Small backyard home (ADU)
Licensed & insuredFlorida contractor licensing through DBPR. Details come with your quote.
Code-ready plansWind, flood and zoning checked before we draw.
Written, itemized quoteEvery line priced before construction begins.

How much does an ADU cost in Miami?

As of October 2026, one 2026 Florida cost guide estimates a 600 sq ft detached ADU in Miami at about $105,000 to $280,000, depending on finish level. Garage conversions usually cost less. Impact-rated windows, flood elevation and permit fees can push a Miami project higher. We price your lot in writing.

Read the Miami ADU cost guide

What kind of ADU can I add in Miami?

It depends on who regulates your address. The City of Miami, Miami-Dade County and each city such as Coral Gables or Miami Gardens write their own ADU rules, as of October 2026.

Small backyard home (ADU) Detached ADUA separate small home in the yard, with its own kitchen, bath and entrance. Detached garage Garage conversionAn existing garage turned into a legal unit, if the slab sits high enough for the flood rules. Small backyard home (ADU) Attached ADU / in-law suiteAn addition joined to the house, often for parents or grown children. Small backyard home (ADU) Efficiency apartmentA compact studio unit, including permitting one that already exists.

How we handle design and permits · Compare all ADU types

What are the steps to build an ADU in Miami?

  1. Lot checkWe confirm the zoning, the lot size, the FEMA flood zone and who issues your permit.
  2. Site visit and designWe measure, check the electrical panel and drainage, and draw a plan for your lot.
  3. PermitsWe submit zoning and building plans and answer reviewer comments.
  4. Build and inspectConstruction, wind and flood inspections, and final approval.

See the full process

Which Miami-Dade areas do we serve?

Miami plus four nearby communities. Each one reviews ADUs a little differently, so we start with yours.

Miami

Miami 21 zoning sets ADU size by lot area and ties rentals to a homesteaded main house.

Miami ADU notes

Coral Gables

Building expansions go before the city's Board of Architects.

ADUs in Coral Gables

Miami Gardens

The city council voted in 2026 to add ADUs to its code.

ADUs in Miami Gardens

Kendall

Mostly unincorporated, so Miami-Dade County's ADU rules apply.

ADUs in Kendall

North Miami

A bayfront city with its own zoning code and flood zones to check.

ADUs in North Miami

Check what your lot allows

Send your address and the kind of unit you want. We look up zoning, lot size, flood zone and HOA notice requirements, then tell you which ADU types are realistic.

Serving Miami, Coral Gables, Miami Gardens, Kendall and North Miami.

Miami ADU questions

How much does an ADU cost in Miami? Can I build an ADU on my lot in Miami? Can I rent my ADU on Airbnb in Miami? What hurricane code applies to an ADU in Miami? How does a flood zone affect an ADU in Miami? Can I legalize an existing efficiency in Miami-Dade?