Solar Panel Rules in Nashville, TN (2026)
Solar panel installation rules, mandate status, HOA restrictions, and permit process for Nashville, TN.
Nashville, TN has not confirmed its solar installation mandate status from an official source. Solar panels are a permitted use on residential and commercial properties subject to standard building permit requirements. Property owners in Nashville must obtain a permit before installing solar panels. HOA restrictions on solar are limited by state law. Nashville offers permit review for residential solar installations. Below you will find the current solar mandate status, HOA rules, permit process, and any historic district restrictions that apply to solar installations in Nashville.
Solar Mandate Status
Solar Mandate Status in Nashville: Whether a solar installation mandate applies in Nashville has not been confirmed from an official source. Contact the the building department to verify current mandate requirements before beginning your solar installation project.
HOA Restrictions
HOA Restrictions on Solar in Nashville: State law governs HOA authority to restrict solar installations. Contact the the planning department or your HOA directly for the most current information.
Permit Process
Permit Process in Nashville: A building permit is required for all solar PV and solar thermal installations. Apply through the the building department. Phone: (615) 862-6500. Utility interconnection approval is typically required separately from the building permit.
Frequently Asked Questions
Can I build a DADU (backyard cottage) on my Nashville property?
Yes. Nashville allows Detached Accessory Dwelling Units (DADUs) on single-family lots in residential zones like RS5, RS7.5, RS10, and RS15. The maximum size is 1,000 sqft. Tennessee has no statewide ADU law, so Nashville's local rules apply. No owner-occupancy requirement. You'll need a Metro Nashville building permit, and water/sewer tap fees apply if the DADU has independent plumbing.
What are Nashville's STR rules?
Nashville requires a Short-Term Rental Permit (STRP) for rentals under 30 days. Type 1 permits are for owner-occupied properties (you live there as your primary residence) and are allowed in any residential zone. Type 2 permits (non-owner-occupied) face zone restrictions and caps. Annual permit fee is approximately $325. Maximum occupancy is 2 guests per bedroom. Nashville has one of the most active STR regulatory programs in the Southeast.
What zoning district is my Nashville property in?
You can look up your Nashville property's zoning at the Metro Nashville GIS portal (maps.nashville.gov). Most single-family neighborhoods are zoned RS7.5, RS10, or RS15. Nashville also has R6 and R8 zones for attached housing, and numerous mixed-use zones. The Metro Nashville Code Title 17 governs all zoning standards.
Does Nashville have special rules for Music Row, East Nashville, or other neighborhoods?
Yes. Nashville has numerous specialized overlay districts that modify base zoning standards. Historic Overlay (H) districts like Germantown and Edgefield require Historic Commission review for exterior changes. Urban Design Overlay (UDO) districts apply in areas like The Gulch and SoBro. Specific Plan (SP) and Planned Unit Development (PUD) overlays exist throughout the city for larger development sites.
Nashville experienced major flooding in 2010 — how do I know if my property is in a flood zone?
Check the FEMA Flood Map Service Center (msc.fema.gov) for your property's flood zone designation. The May 2010 Nashville flood caused over $2 billion in damage along the Cumberland River and Mill Creek corridors. Many Nashville properties in low-lying areas are in FEMA Special Flood Hazard Areas (SFHA) requiring flood insurance. Metro Nashville's stormwater management program provides additional resources at nashville.gov.
Source: Nashville Building Department — Solar Panel Permits. Last verified April 5, 2026. View source