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ADU Builders & Contractors in Treasure Island, FL

Building an ADU in Treasure Island? You'll find 3 licensed contractors in the area, ready to help. Treasure Island's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Treasure Island

Avg. Cost/sqft

$144-$294

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 3 ADU Contractors in Treasure Island

🏗️
#1Deerwood Development Group LLC

Treasure Island, FL

Deerwood Development Group LLC — licensed ADU contractor in treasure island, FL.

View Profile📞 (810) 499-1221
🏗️
#2MASTERPRO SOUTH INC

Treasure Island, FL

Masterpro South Inc — licensed ADU contractor in Treasure Island, FL.

View Profile📞 (706) 237-2942
🏗️
#3Stephenson Contracting Services, LLC

Treasure Island, FL

Stephenson Contracting Services, LLC — licensed ADU contractor in Treasure Island, FL.

View Profile📞 (573) 465-3900

💰 How Much Does an ADU Cost in Treasure Island?

Garage Conversion

$37,000 - $97,000

Converting existing garage to living space

Detached ADU

$94,000 - $244,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$614 - $3,114

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Treasure Island

How much does it cost to build an ADU in Treasure Island?▼
The average cost to build an ADU in Treasure Island ranges from $94,000 to $244,000, or approximately $144 to $294 per square foot. Garage conversions typically cost $37,000 to $97,000.
How long does it take to get an ADU permit in Treasure Island?▼
The ADU permit process in Treasure Island 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 Treasure Island?▼
In Treasure Island, 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 Treasure Island?▼
Treasure Island 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 Treasure Island?▼
No parking is required for ADUs in Treasure Island 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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