7 Things a Tennessee County or City Can Require Before You Rent Out a Spare Room
Rent out a spare room in Tennessee, clear $3,000 in a year, and the county and the city both expect you to have a business license on file.
A festival weekend can get you there by June.
But that’s one line on a list your neighbors two counties over may never have to think about.
These are the things a Tennessee county or city can require before you rent out a spare room.
Note: This is general information, not legal advice. Short-term rental permit and zoning rules vary by Tennessee county and city and are subject to change.
1. Whether Zoning Allows It
A Tennessee county’s zoning map can decide whether a spare room can legally go up for rent before a homeowner ever files an application.
Nashville won’t approve a non-owner-occupied rental in four zoning districts: AR2A, R, RS (single-family residential), and RM (multi-family residential).
The zone decides everything.
Knoxville splits its permits into two types instead of Nashville’s flat ban.
A Type 1 permit only goes to an owner who lives at the property in a residential zone.
A Type 2 permit covers a non-owner-occupied rental in a non-residential district where a home is still allowed to sit.
Even a tenant can hold that permit with the owner’s sign-off.
Outside a district where a home is allowed at all, a county or city won’t issue a permit no matter how clean the application is.
2. Getting a Permit Before You List It
A Tennessee county can make a homeowner apply for a permit before a spare room ever goes up online.
Sevier County’s fire marshal’s office runs exactly that kind of program for every short-term rental outside the county’s cities, and it’s been in effect since January 2024.
The fee runs $250 a year for a rental sleeping 12 or fewer guests, plus $25 for every guest above that.
Sevier keeps it simple.
Nashville and Knoxville each run a separate permit system, with a different application, a different fee, and a different name on the form.
That’s three governments, three different price tags.
Tennessee’s Grandfather Rule for Older Rentals
Tennessee’s 2018 Short-Term Rental Unit Act lets a rental that was already operating keep its old rules instead of a county’s newer regulations.
That protection only ends if the property sells, sits unused as a rental for 30 months straight, or racks up three proven violations.
It’s also why none of this is universal: Every Tennessee county and city writes separate permit rules under that same law.
So what Sevier County requires can look nothing like what Nashville or Knoxville does.
3. Proof You Live in the Home
Nashville won’t call a rental owner-occupied on a homeowner’s word alone.
The city’s codes department wants four separate documents that all match the name on the deed before it issues that permit.
A limited liability company can’t hold that permit, either.
Nashville requires the owner to be a natural person who resides there, not a corporation, a trust, or a business entity set up to hold the deed.
Papers have to match.
Knoxville splits that proof by permit type.
A Type 1 permit still asks for two documents proving the applicant lives there, a shorter list than Nashville’s but the same residency bar.
A Type 2 permit skips that residency proof, since it’s built for a rental nobody lives in.
The person on that application still can’t be a company, whether it’s the owner or a tenant applying.
The company ban still holds.
4. Passing a Fire and Safety Inspection
Sevier County sends a fire inspector to check the smoke alarms, the carbon monoxide detectors, the wiring, and every escape route before it signs off on a permit.
Eight full-time inspectors split the county’s rental inventory between them.
A rental that fails its first two inspections owes another $25 every time it tries again.
Fail twice, pay again.
Knoxville skips the in-person visit for many homes and instead makes the owner sign a certification that the smoke detectors and fire extinguisher already work.
That paperwork promise comes with a catch, since Knoxville’s fire marshal and other city officials reserve the right to inspect that rental to check on life-safety issues.
Psst! How ready is your spare room for a Tennessee county or city’s paperwork? Run through this checklist and see where you stand.
5. Capping How Many Guests Can Stay
Sevier County ties a short-term rental’s guest limit to the certificate of occupancy already on file for that property.
The county’s default ceiling sits at twelve guests, per the fire marshal’s permit program.
Twelve is only the starting number.
A homeowner can apply to raise it.
The county’s fire marshal’s office decides case by case instead of granting the increase automatically.
Knoxville caps its rentals a different way, running two guests per bedroom plus two more.
Twelve is still a hard stop there too, no matter how many bedrooms the home has.
One’s a flat number.
One’s a formula.
6. Getting a Business License Past $3,000
A Tennessee county can require a business license long before a homeowner thinks of the spare room as a business.
Once rental receipts cross $3,000 in a year, the county and the city both expect a minimal activity license on file.
Cross $100,000, and Tennessee requires full business tax registration with the state instead.
Many hosts cross it fast.
A single busy month during a festival weekend can push a spare room past that $3,000 line well before the year is even half over.
7. Registering for Local Occupancy Tax
Rutherford County doesn’t let a booking platform handle everything on a homeowner’s behalf.
The county collects that occupancy tax directly, paid monthly to the county and the city at 5 percent of a rental’s monthly gross receipts.
That applies whether the booking came through Airbnb, through Vrbo, another booking platform, or a homeowner’s website.
Every path leads here.
Getting there also means a business license from the county clerk and the city, at $15 each, before the first guest ever checks in.
Both licenses cover the same spare room.
How a County Can Take a Permit Away
A Tennessee county can’t pull a legacy short-term rental’s grandfathered status on the first complaint.
State law makes a city or county document three separate violations, with no appeal rights left, before it can end that protection for an already-operating rental.
The burden of proving each violation sits with the local government, not the homeowner.
Due process applies here.
A rental already grandfathered under an older ordinance still has to clear that same three-violation bar before it can lose its legacy status.
A brand-new rental permitted last month doesn’t get that same statewide floor, since the rule protects only rentals that were already operating before local rules got stricter.
6 Tennessee Dumpster Diving Laws Bargain Hunters Should Know

A car pulls into a shopping center lot in Murfreesboro a few minutes after closing.
Whether that stop is legal in Tennessee depends on details many bargain hunters never stop to check.
6 Tennessee Dumpster Diving Laws Bargain Hunters Should Know
6 Medical Bills Tennessee Patients Can Negotiate Down but Almost Never Do

Tennessee gives a hospital just 30 days to produce a complete, line-by-line bill once a patient asks for it in writing, and few patients ever ask.
State and federal rules hand patients more leverage than many realize, from self-pay discounts to protections against a surprise out-of-network emergency bill.
6 Medical Bills Tennessee Patients Can Negotiate Down but Almost Never Do
