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ADU Builders & Contractors in Miami, FL

Miami-Dade leads Florida's ADU movement with its Pre-Approved ADU Blueprint program offering expedited permitting through pre-reviewed designs. Construction costs run $120–$400 per square foot, with permit fees among Florida's highest at ~$6,500. Florida Statute 163.31771 requires all municipalities to allow one ADU per single-family lot. Hurricane-rated impact windows are mandatory in Miami-Dade's HVHZ. A licensed ADU contractor in Miami verified through Florida DBPR is essential.

📊 ADU Quick Facts for Miami

Avg. Cost/sqft

$225-$400

Permit Timeline

8-18 weeks

Max Size

800 sqft

Setbacks

8ft sides

View Miami Planning Department →

Top 224 ADU Contractors in Miami

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#1Miami Remodeling & additions inc

Miami, FL

★★★★★
5.0(148 reviews)

Miami Remodeling & additions inc — licensed ADU contractor in Miami, FL.

View Profile📞 (786) 380-3567
🏗️
#2ObCon Proxy LLC

Miami, FL

★★★★★
5.0(110 reviews)

ObCon Proxy LLC — licensed ADU contractor in Miami, FL.

View Profile📞 (305) 607-5231
🏗️
#3Paul Davis Restoration of Miami-Central

Miami, FL

★★★★★
5.0(99 reviews)

Paul Davis Restoration of Miami-Central — licensed ADU contractor in Miami, FL.

View Profile📞 (305) 205-4126
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#4Revollover Engineering & Construction LLC

Miami, FL

★★★★★
5.0(74 reviews)

Revollover Engineering & Construction LLC — licensed ADU contractor in Miami, FL.

View Profile📞 (786) 546-5974
🏗️
#5SS Construction Solutions LLC

Miami, FL

★★★★★
5.0(59 reviews)

SS Construction Solutions LLC — licensed ADU contractor in Miami, FL.

View Profile📞 (786) 406-4239
🏗️
#6Ark Construction Company Inc

Miami, FL

★★★★★
5.0(55 reviews)

Ark Construction Company Inc — licensed ADU contractor in Miami, FL.

View Profile📞 (305) 968-6274
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#7Ark Construction Company Inc

Miami, FL

★★★★★
5.0(55 reviews)

Ark Construction Company Inc — licensed ADU contractor in Miami, FL.

View Profile📞 (305) 968-6274
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#8SM Windows and Doors, LLc

Miami, FL

★★★★★
5.0(46 reviews)

SM Windows and Doors, LLc — licensed ADU contractor in Miami, FL.

View Profile📞 (786) 327-8352
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#9Florida Entry Builders LLC

Miami, FL

★★★★★
5.0(38 reviews)

Florida Entry Builders LLC — licensed ADU contractor in Miami, FL.

View Profile📞 (305) 803-3062
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#10R&D CONSTRUCTION AND ROOFING

Miami, FL

★★★★★
5.0(37 reviews)

R&D Construction And Roofing — licensed ADU contractor in Miami, FL.

View Profile📞 (786) 325-1898
View All 224 Contractors →

💰 How Much Does an ADU Cost in Miami?

Garage Conversion

$80,000 - $175,000

Converting existing garage to living space

Detached ADU

$150,000 - $350,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$2,500 - $12,000

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple Miami contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Miami

How much does it cost to build an ADU in Miami?▼
The average cost to build an ADU in Miami ranges from $150,000 to $350,000, or approximately $225 to $400 per square foot. Garage conversions typically cost $80,000 to $175,000.
How long does it take to get an ADU permit in Miami?▼
The ADU permit process in Miami typically takes 8 to 18 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in Miami?▼
In Miami, detached ADUs can be up to 800 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in Miami?▼
Miami requires 8-foot setbacks from side property lines and 8-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in Miami?▼
No parking is required for ADUs in Miami if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

Tampa (223)Jacksonville (121)Orlando (117)Naples (110)Sarasota (103)Fort Myers (91)Cape Coral (83)Clearwater (62)

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