What is the maximum ADU size allowed in Nashville?

Detached ADUs in Nashville can be up to 1000 square feet.

ADU Builders & Contractors in Nashville, FL

Q: How much does it cost to build an ADU in Nashville?

The average cost ranges from $108,000 to $258,000, or $158-308 per square foot.

Q: How long does it take to get an ADU permit in Nashville?

The permit process typically takes 30 to 90 weeks in Nashville.

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

📊 ADU Quick Facts for Nashville

Avg. Cost/sqft

$158-$308

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 1 ADU Contractors in Nashville

🏗️

#1U.S. Exterior Solutions, LLC

Nashville, FL

U.S. Exterior Solutions, LLC — licensed ADU contractor in Nashville, FL.

View Profile 📞 (615) 883-0142

💰 How Much Does an ADU Cost in Nashville?

Garage Conversion

$44,000 - $104,000

Converting existing garage to living space

Detached ADU

$108,000 - $258,000

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 Nashville contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Nashville

How much does it cost to build an ADU in Nashville?▼

The average cost to build an ADU in Nashville ranges from $108,000 to $258,000, or approximately $158 to $308 per square foot. Garage conversions typically cost $44,000 to $104,000.

How long does it take to get an ADU permit in Nashville?▼

The ADU permit process in Nashville 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 Nashville?▼

In Nashville, 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 Nashville?▼

Nashville 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 Nashville?▼

No parking is required for ADUs in Nashville 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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