ADU Builders & Contractors in Port Saint Lucie, FL

Building an ADU in Port Saint lucie? You'll find 1 licensed contractors in the area, ready to help. Port Saint lucie's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Port Saint Lucie

Avg. Cost/sqft

$140-$290

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 16 ADU Contractors in Port Saint Lucie

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Port Saint Lucie, FL

2C Construction llc — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Best Build LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Honest Home Repairs HHR LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Coast Too Coast Construction LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Best Build LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Honest Home Repairs HHR LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

2C Construction llc — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Stonelight Roofing LLC — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Bacchus & Co Inc — licensed ADU contractor in Port Saint Lucie, FL.

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Port Saint Lucie, FL

Gizze Construction Inc — licensed ADU contractor in Port Saint Lucie, FL.

💰 How Much Does an ADU Cost in Port Saint 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 Saint Lucie contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Port Saint Lucie

How much does it cost to build an ADU in Port Saint Lucie?
The average cost to build an ADU in Port Saint 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 Saint Lucie?
The ADU permit process in Port Saint 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 Saint Lucie?
In Port Saint 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 Saint Lucie?
Port Saint 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 Saint Lucie?
No parking is required for ADUs in Port Saint 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.

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