Tennessee Building Permits — Complete Guide (2026)
Find, Apply & Track Permits in Cities and Counties Across Tennessee
Tennessee has adopted a statewide building code and is one of the fastest-growing states for construction. Nashville (Davidson County) and Memphis lead in volume, but the entire state is seeing strong growth from in-migration.
How building permits work in Tennessee
Building permit requirements and processing times in Tennessee vary by city and county. Use the links below to apply, check status, schedule inspections and find permit information for your location.
Learn the step-by-step permit process →Not sure where to apply?
Enter your city or address to find your permit office.
Permit costs by type — Tennessee
| Permit Type | Fee Range | Processing Time | Notes |
|---|---|---|---|
| Electrical | $70–$200 | 1–3 days | TN licensed electrician required |
| Plumbing | $60–$185 | 1–3 days | TN licensed plumber required |
| HVAC / Mechanical | $70–$200 | 1–4 days | High AC demand — summer peak |
| Roofing | $85–$250 | 1–3 days | Storm damage (tornadoes, hail) common |
| New Construction | $500–$1,500 | 2–6 weeks | Nashville — processing times growing |
| Room Addition | $275–$800 | 1–4 weeks | Frost depth 18–24 inches in most of TN |
| Deck / Patio | $110–$325 | 1–3 weeks | Common project type |
| Pool | $175–$475 | 1–4 weeks | High demand in suburban TN |
| ADU | $275–$750 | 1–4 weeks | Nashville adopted ADU ordinance 2023 |
| Solar | $70–$200 | 1–4 days | Growing TN solar market |
Major Tennessee cities — apply online
Most Tennessee building permits are issued by cities. Click your city to access the permit portal, apply online, or check permit status.
Permit costs by county — top Tennessee counties
County building departments handle unincorporated areas. Click a county to access its permit portal directly.
How to get a building permit in Tennessee
Find your local building department
Nashville (Metro Development), Memphis (DPD), and Knoxville (MPC) have online systems. Tennessee's 95 counties vary significantly.
TN contractor licensing
Tennessee licenses general contractors, electrical, plumbing, and HVAC contractors. Verify at Tennessee Department of Commerce and Insurance.
Memphis seismic zone
Western Tennessee — particularly Shelby County and Memphis — is in the New Madrid Seismic Zone. Structural projects must address seismic design requirements.
Submit application and pay fees
Nashville's online system is well-developed. Processing times have grown with the construction boom — budget extra time.
Phase inspections
Major cities have inspection divisions with online scheduling. Rural counties may share inspectors.
ADU permits in Tennessee — what you need to know
🏠 Tennessee ADU-friendly status: Partial — Nashville leading
Tennessee has no statewide ADU law. Nashville updated its zoning in 2023 to allow detached ADUs in all residential zones. Memphis and Knoxville have ADU provisions. Tennessee's rapid growth in Nashville and Chattanooga is driving ADU demand.
Find a licensed Tennessee contractor
Tennessee requires licensed professionals for most permitted work. Always verify a contractor's license before hiring — it protects you and is required for most permit types.
General Contractors
Find pre-screened general contractors for your Tennessee home project. Compare quotes on permitted work.
Find a Contractor →Verify TN License
Verify your contractor holds a valid Tennessee Board for Licensing Contractors license before any permitted work begins.
Verify TN License →Electricians & Plumbers
Specialty-licensed electricians and plumbers are required for all permitted electrical and plumbing work in Tennessee.
Learn More →Ready to get started? Browse verified, licensed contractors serving Tennessee homeowners and get free quotes on your project.
🔍 Find a Contractor Near YouFrequently asked questions — Tennessee permits
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