ADU Permit Requirements in Nashville, Tennessee

Everything you need to apply for a adu permit in Nashville, Tennessee โ€” documents, fees, steps, and a downloadable submission packet.

Key Facts

Permit required
Yes
Submission method
Online
Typical fee range
$4,800 โ€“ $18,150
Review time
Varies by jurisdiction
Inspections
7 inspections required
VerifiedLast verified: Feb 15, 20261 verified source

Limited Data Available

Some information on this page has not been fully verified. We're working to improve data quality. Always verify with Nashville directly.

Permit Requirements (6 items)

6 required

๐Ÿ“‹ Forms & Applications(1)

๐Ÿ“ Plans & Diagrams(3)

๐Ÿ“„ Supporting Documents(2)

Generate your permit packet

Get a personalized ADU permit packet for Nashville, Tennessee โ€” tailored to your project details.

  • Required forms: Building Permit Application, and more
  • Pre-filled templates: Permit Cover Sheet
  • Fee breakdown: $1,600โ€“$11,000 estimated total
  • Step-by-step Nashville Department of Codes and Building Safety portal submission guide
  • Inspection prep checklist (7 items)
  • Personalized for your specific project details
Build My Permit Packet

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Permit Process

Follow these steps to submit your permit application through Nashville Department of Codes and Building Safety.

  1. 1

    Pre-Application Consultation

    Meet with Nashville Codes staff to discuss DADU ordinance, lot eligibility, design requirements, and process timeline

    You'll need: Property Owner Affidavit

  2. 2

    DADU Ordinance Verification

    Verify property meets DADU overlay requirements, zoning allowances, lot size, and overlay district boundaries

    You'll need: DADU Compliance Checklist

  3. 3

    Submit Building Permit Plans

    Submit complete permit application with architectural plans, site plan, utility coordination, and DADU checklist

    You'll need: Building Permit Application, Architectural Plans, Site Plan, Utility Connection Plans

  4. 4

    Plan Review

    Codes and building staff review plans for compliance with DADU ordinance, building code, electrical code, plumbing code, and fire code

  5. 5

    Address Review Comments

    Submit revised plans and supporting documents addressing any code violations or modifications required

  6. 6

    Pay Fees and Receive Permit

    Pay permit issuance fees, plan review fees, and inspection fees. Receive building permit

  7. 7

    Construction Inspections

    Schedule and pass required inspections: foundation, framing, electrical, plumbing, mechanical, and final occupancy

Fees and Timeline

Fee Breakdown

FeeRangeConfidence
ADU Permit Fee$3,200 โ€“ $11,000Verified
Plan Review Fee$1,600 โ€“ $7,150Verified

Inspections Required

Foundation and footing inspection per Tennessee Building Cod

Foundation and footing inspection per Tennessee Building Code

Framing and structural member inspection

Framing and structural member inspection

Electrical system inspection including panel, wiring, and bo

Electrical system inspection including panel, wiring, and bonding

Plumbing inspection of water supply, fixtures, and drainage

Plumbing inspection of water supply, fixtures, and drainage

Mechanical/HVAC system inspection and clearances

Mechanical/HVAC system inspection and clearances

Property maintenance and grading inspection

Property maintenance and grading inspection

Final inspection and Certificate of Occupancy issuance

Final inspection and Certificate of Occupancy issuance

Authority Sources

Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.

Nashville Department of Codes and Building Safety

Last verified: February 15, 2026

1 source referenced

Official page
Portal guide
Nashville Permit Portal

Verified February 15, 2026

Official page
Official page
Nashville DADU Development Guide

Verified February 15, 2026

Frequently Asked Questions

Do I need a adu permit in Nashville?
Yes. Nashville requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
How long does adu permit approval take in Nashville?
Processing times in Nashville vary depending on project complexity and current review volume. The process involves 7 steps. Contact Nashville Development Services for current timelines.
What documents are required for a adu permit in Nashville?
Nashville requires 6 documents including Building Permit Application, Architectural Plans, Site Plan, DADU Compliance Checklist, and others. See the full list above for details.
What happens if I build without a adu permit in Nashville?
Building without a permit in Nashville can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
Can PermitMagic help prepare my adu permit submission in Nashville?
Yes. PermitMagic generates a submission-ready packet tailored to Nashville's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
How much does a adu permit cost in Nashville?
ADU permit fees in Nashville typically range from $4,800 to $18,150, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Nashville.

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