Deck / Patio Permit Requirements in Maynardville, TN
Union County is EXEMPT on the TN State Fire Marshal's residential jurisdictions list, meaning it enforces building codes locally. Building permits must be purchased in person at the Assessor of Property office — no online portal. Fee schedule not published online; call (865) 992-3211 for current fees. Tennessee state electrical permits required separately (inspector: Eric Ramsey, (423) 626-0724). Contractor licensing: TN statewide $25,000+ threshold; no HIC requirement in Union County.
When you DON'T need a permit
TN (Union County), freestanding decks not more than 30 inches above grade are generally exempt from a building permit under IRC R105.2. Union County follows Tennessee state building codes.
Source: Tennessee State Building Codes / 2018 IRC — Union County local enforcement
When you DO need a permit
TN (Union County), attached decks require a building permit even if under 30 inches above grade, as the ledger board attachment affects the dwelling structure. Permits must be purchased in person at the Union County Assessor of Property office.
Source: Tennessee State Building Codes / 2018 IRC — Union County local enforcement
TN (Union County), decks more than 30 inches above grade require a building permit with plans showing footings, structural connections, and guardrails. Permits must be purchased in person at the Union County Assessor of Property office.
Source: Tennessee State Building Codes / 2018 IRC — Union County local enforcement
Deck / Patio Permit Costs: Maynardville vs. Nearby
| City | Estimated Fee |
|---|---|
| Maynardville | — |
| Nashville | $100 – $350 |
| Nashville | $150 – $500 |
| Nashville | $200 – $600 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.
Zoning Considerations
Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.
Check your specific project
Answer a few quick questions to get a personalized answer for your exact project.
Check Now — Free →Building Department Contact
Frequently Asked Questions
Contact Maynardville's building department for current Deck / Patio permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Deck / Patio projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Maynardville can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Contact Maynardville's building department for current processing times. Timelines vary based on project complexity and whether plan review is required.
Learn More About Deck / Patio Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Deck / Patio Guide →