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ADU Builders & Contractors in Port St Lucie, FL

Port St.lucie, FL homeowners looking to build an ADU have 1 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in Port St.lucie starts here.

📊 ADU Quick Facts for Port St Lucie

Avg. Cost/sqft

$140-$290

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 17 ADU Contractors in Port St Lucie

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#1M B BROWN CONSTRUCTION COMPANY INC

Port St Lucie, FL

M B Brown Construction Company Inc — licensed ADU contractor in Port ST Lucie, FL.

View Profile📞 (561) 662-9203
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#2AJ BELLA CONTRACTORS INC

Port St Lucie, FL

AJ Bella Contractors Inc — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 281-2521
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#3AJ BELLA CONTRACTORS INC

Port St Lucie, FL

AJ Bella Contractors Inc — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 281-2521
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#4Black Street Enterprises, LLC

Port St Lucie, FL

Black Street Enterprises, LLC — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 344-8201
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#5M B BROWN CONSTRUCTION COMPANY INC

Port St Lucie, FL

M B Brown Construction Company Inc — licensed ADU contractor in Port ST Lucie, FL.

View Profile📞 (561) 662-9203
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#6CLM Construction LLC

Port St Lucie, FL

CLM Construction LLC — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 418-6783
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#7Black Street Enterprises, LLC

Port St Lucie, FL

Black Street Enterprises, LLC — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 344-8201
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#8CLM Construction LLC

Port St Lucie, FL

CLM Construction LLC — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 418-6783
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#9Paul Davis of Treasure Coast

Port St Lucie, FL

Paul Davis of Treasure Coast — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 340-2080
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#10JTC Concrete Plus LLC

Port St Lucie, FL

JTC Concrete Plus LLC — licensed ADU contractor in Port St Lucie, FL.

View Profile📞 (772) 216-1346
View All 17 Contractors →

💰 How Much Does an ADU Cost in Port St Lucie?

Garage Conversion

$35,000 - $95,000

Converting existing garage to living space

Detached ADU

$90,000 - $240,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$611 - $3,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Port St Lucie

How much does it cost to build an ADU in Port St Lucie?▼
The average cost to build an ADU in Port St Lucie ranges from $90,000 to $240,000, or approximately $140 to $290 per square foot. Garage conversions typically cost $35,000 to $95,000.
How long does it take to get an ADU permit in Port St Lucie?▼
The ADU permit process in Port St Lucie typically takes 30 to 90 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 Port St Lucie?▼
In Port St Lucie, detached ADUs can be up to 1000 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 Port St Lucie?▼
Port St Lucie requires 5-foot setbacks from side property lines and 5-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 Port St Lucie?▼
No parking is required for ADUs in Port St Lucie 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

Miami (224)Tampa (223)Jacksonville (121)Orlando (117)Naples (110)Sarasota (103)Fort Myers (91)Cape Coral (83)

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