ADU Contractors
Dashboard

ADU Builders & Contractors in Saint Augustine, FL

Saint Augustine, FL homeowners looking to build an ADU have 8 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 Augustine starts here.

📊 ADU Quick Facts for Saint Augustine

Avg. Cost/sqft

$143-$293

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 8 ADU Contractors in Saint Augustine

🏗️
#1Avid Construction

Saint Augustine, FL

Avid Construction — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (904) 759-6108
🏗️
#2Avid Construction

Saint Augustine, FL

Avid Construction — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (904) 759-6108
🏗️
#3American Pride Builders LLC

Saint Augustine, FL

American Pride Builders LLC — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (904) 708-1994
🏗️
#4Reeping, Timothy John

Saint Augustine, FL

Reeping, Timothy John — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (571) 334-5006
🏗️
#5Sabean and Sons Construction LLC

Saint Augustine, FL

Sabean and Sons Construction LLC — licensed ADU contractor in Saint Augustine, FL, FL.

View Profile📞 (904) 669-1447
🏗️
#6Ryan's Residential Home Solutions, LLC

Saint Augustine, FL

Ryan's Residential Home Solutions, LLC — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (904) 209-9444
🏗️
#7Nova Construction Inc.

Saint Augustine, FL

Nova Construction Inc. — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (703) 888-6916
🏗️
#8Ascent Homes, LLC

Saint Augustine, FL

Ascent Homes, LLC — licensed ADU contractor in Saint Augustine, FL.

View Profile📞 (904) 522-7366

💰 How Much Does an ADU Cost in Saint Augustine?

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 Augustine contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Saint Augustine

How much does it cost to build an ADU in Saint Augustine?▼
The average cost to build an ADU in Saint Augustine 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 Augustine?▼
The ADU permit process in Saint Augustine 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 Augustine?▼
In Saint Augustine, 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 Augustine?▼
Saint Augustine 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 Augustine?▼
No parking is required for ADUs in Saint Augustine 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)

Ready to Build Your ADU in Saint Augustine?

Get free quotes from top-rated local contractors

Find Contractors Now
← View all contractors in Florida