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ADU Builders & Contractors in Big Pine Key, FL

Big pine key, FL is home to 1 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Big pine key's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Big Pine Key

Avg. Cost/sqft

$146-$296

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 5 ADU Contractors in Big Pine Key

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#1CDA Hospitality Construction Inc

Big Pine Key, FL

CDA Hospitality Construction Inc — licensed ADU contractor in Big Pine Key, FL.

View Profile📞 (317) 797-6959
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#2R D MAYNARD CONSTRUCTION INC

Big Pine Key, FL

R D Maynard Construction Inc — licensed ADU contractor in Big Pine Key, FL.

View Profile📞 (772) 985-6321
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#3Wilson Construction Services, Inc

Big Pine Key, FL

Wilson Construction Services, Inc — licensed ADU contractor in Big Pine Key, FL.

View Profile📞 (352) 585-8187
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#4Ocean Construction Fl keys, llc

Big Pine Key, FL

Ocean Construction Fl keys, llc — licensed ADU contractor in Big pine key, FL.

View Profile📞 (813) 472-7239
🏗️
#5CDA Hospitality Construction Inc

Big Pine Key, FL

CDA Hospitality Construction Inc — licensed ADU contractor in Big Pine Key, FL.

View Profile📞 (317) 797-6959

💰 How Much Does an ADU Cost in Big Pine Key?

Garage Conversion

$38,000 - $98,000

Converting existing garage to living space

Detached ADU

$96,000 - $246,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$605 - $3,105

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Big Pine Key

How much does it cost to build an ADU in Big Pine Key?▼
The average cost to build an ADU in Big Pine Key ranges from $96,000 to $246,000, or approximately $146 to $296 per square foot. Garage conversions typically cost $38,000 to $98,000.
How long does it take to get an ADU permit in Big Pine Key?▼
The ADU permit process in Big Pine Key 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 Big Pine Key?▼
In Big Pine Key, 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 Big Pine Key?▼
Big Pine Key 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 Big Pine Key?▼
No parking is required for ADUs in Big Pine Key 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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