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ADU Builders & Contractors in Saint James City, FL

Saint James City, FL homeowners looking to build an ADU have 3 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 Saint James City starts here.

📊 ADU Quick Facts for Saint James City

Avg. Cost/sqft

$143-$293

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 3 ADU Contractors in Saint James City

🏗️
#1Honc Industries Inc.

Saint James City, FL

Honc Industries Inc. — licensed ADU contractor in Saint James City, FL.

View Profile📞 (239) 240-5204
🏗️
#2Honc Industries Inc.

Saint James City, FL

Honc Industries Inc. — licensed ADU contractor in Saint James City, FL.

View Profile📞 (239) 240-5204
🏗️
#3G&K Builders, Inc.

Saint James City, FL

G&K Builders, Inc. — licensed ADU contractor in Saint James City, FL.

View Profile📞 (239) 841-4929

💰 How Much Does an ADU Cost in Saint James City?

Garage Conversion

$36,500 - $96,500

Converting existing garage to living space

Detached ADU

$93,000 - $243,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$597 - $3,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Saint James City

How much does it cost to build an ADU in Saint James City?▼
The average cost to build an ADU in Saint James City ranges from $93,000 to $243,000, or approximately $143 to $293 per square foot. Garage conversions typically cost $36,500 to $96,500.
How long does it take to get an ADU permit in Saint James City?▼
The ADU permit process in Saint James City 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 Saint James City?▼
In Saint James City, 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 Saint James City?▼
Saint James City 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 Saint James City?▼
No parking is required for ADUs in Saint James City 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

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