Moving to Knoxville, TN? Here Are the Local Rules You Should Know

Knoxville is a mid-sized city in Knox County, Tennessee, with about 191000 residents. Like most cities its size, it has a set of local rules that may differ significantly from neighboring municipalities. Here is an overview of 133 ordinances across 39 categories that affect daily life in Knoxville.

Sign Regulations

Digital Billboards: Knoxville confines digital, electronic message center signs to commercial and industrial districts, requires each display to hold for 60 seconds with no scrolling, and caps brightness at 3,000 nits by day, 750 at night..

Also covered: Holiday Displays (permissive), Window Signs (permissive), Freeway-Facing Signs (moderate). See the full sign regulations guide for Knoxville for details.

Building Safety

Building Permits: Knoxville withholds a building permit until five separate offices sign off: wastewater control, traffic engineering, city engineering, fire prevention, Knoxville-Knox County Planning, and inspections. Structural plans must meet building, mechanical, electrical, plumbing and gas code detail requirements before that review can even start..

Also covered: Plumbing Permits (moderate), Green Building Code (limited), Childcare Center Rules (moderate). See the full building safety guide for Knoxville for details.

Noise from Specific Sources

Generator Noise: Knoxville bans unmuffled generator and stationary-engine exhaust noise citywide, requiring a muffler or equivalent device that prevents loud or explosive sound, whether or not the decibel standard in Section 18-3 is exceeded..

Also covered: Low-Frequency Bass Limits (moderate). See the full noise from specific sources guide for Knoxville for details.

Trash & Recycling

Illegal Dumping: Knoxville bans dumping or depositing litter on another person's property or on any public street, park, or public property, enforced as a misdemeanor under the city's general penalty provision..

Also covered: Bulk Item Disposal (moderate), Pickup Rules & Schedules (moderate), Dumpster Rules (moderate). See the full trash & recycling guide for Knoxville for details.

Soliciting & Door-to-Door

No-Knock Registry: Posting a 'No Solicitors' sign at least 3 by 4 inches bars door-to-door solicitation on that property in Knoxville, which is also limited to 9 a.m.-9 p.m. weekdays..

Property Maintenance

Property Blight: Knoxville declares unfit or dangerous buildings public nuisances and can order the owner to repair or demolish them, recovering the cost through a property lien if the owner won't act..

Also covered: Vacant Lot Maintenance (moderate). See the full property maintenance guide for Knoxville for details.

Building Setbacks & Zoning

Lot Coverage Limits: Knoxville's Recode Knoxville zoning code caps impervious surface, the paved and structural coverage that blocks water absorption, by residential district: 35% in the EN district up to 70% in RN-7. Maximum building coverage is capped separately (25% to 50%), and a permeable pavement system counts as only 50% impervious, subject to Department of Engineering approval..

Also covered: Structure Height Limits (moderate), Setback Rules (moderate). See the full building setbacks & zoning guide for Knoxville for details.

Business Licensing & Operations

Auto Repair on Residential Property: Knoxville's zoning code flatly prohibits motor vehicle repair and vehicle dispatch businesses as home occupations, so residents cannot legally operate an auto repair shop or a dispatch business with vehicles congregating at a home address..

Also covered: Tattoo & Body Modification (moderate), Adult Entertainment (restrictive), Towing Companies (moderate). See the full business licensing & operations guide for Knoxville for details.

Mobility & Curb Rules

Shared E-Scooter Rules: Knoxville requires permitted e-scooter and e-bike operators to honor city-designated no-ride zones, parking zones, and low-speed zones set by the permit manager under its shareable micromobility permit program..

Also covered: Bike Lane Rules (moderate), E-Bike Classes (moderate), Red-Light Cameras (moderate). See the full mobility & curb rules guide for Knoxville for details.

Special Events & Permits

Parade Permits: Any parade, march, or procession on a Knoxville street, park, or public place needs a permit from the chief of police, filed at least three days ahead with a ten-dollar fee, before it can go forward..

Also covered: Park Event Permits (restrictive). See the full special events & permits guide for Knoxville for details.

Short-Term Rentals

Short-Term Rental Permits: Knoxville STR operators must apply through the business license and tax office, naming a 24/7 local contact who can respond to complaints within 45 minutes..

Also covered: Primary-Residence-Only Rule (moderate), Short-Term Rental Parking Rules (moderate), Taxes & Fees (moderate). See the full short-term rentals guide for Knoxville for details.

Noise Ordinances

Amplified Music & Outdoor Sound: Knoxville requires a special noise permit from the office of special events for amplified sound that exceeds normal limits, restricted to Friday, Saturday or holidays, 7 a.m.-10 p.m., and capped at two permits per premises per year..

Also covered: Decibel Limits (moderate), Leaf Blower Rules (limited), Construction Hours (restrictive). See the full noise ordinances guide for Knoxville for details.

Animal Ordinances

Bird Protection: Knoxville designates its entire corporate limits a wildlife and bird sanctuary. Willfully molesting, trapping, hunting, shooting, killing or maiming any wild bird or animal, or robbing a nest, is unlawful anywhere in the city, with seven parks named as official sanctuaries carrying extra sign and equipment protection..

Also covered: Chickens & Livestock (restrictive), Pet Limits (moderate), Dog Leash Laws (moderate). See the full animal ordinances guide for Knoxville for details.

Public Conduct

Aggressive Panhandling: Knoxville makes it unlawful to solicit money, goods or services "in an aggressive manner" in any public area, defining aggressive conduct to include touching, following, blocking someone's path, using threatening language, or repeating a request within twenty feet after being refused. A companion list bars solicitation after dark and near ATMs, crosswalks, bus stops and building entrances..

Also covered: Public Alcohol Use (restrictive), Loitering Rules (moderate), Jaywalking (moderate). See the full public conduct guide for Knoxville for details.

Public Health Rules

Syringe Disposal: Knoxville's solid waste code bars discarded hypodermic needles, syringes and other sharps from any garbage container serviced by the city or its contractor. Chapter 13 classifies used sharps as infectious waste alongside contaminated blood, pathological waste and lab cultures, and violators face misdemeanor and civil penalties under the chapter's enforcement section..

Right to Farm

Agricultural Zoning Protection: Knoxville's Appendix B zoning code sets aside a dedicated AG General Agricultural Zoning District to keep land suited for farming in agricultural use and block incompatible development from crowding out working farms inside city limits. Article 8, Section 8.1 states the district's purpose and Table 8-1 sets a 5-acre minimum lot, a 200-foot lot width, and 35-foot setbacks on all four sides..

Outdoor Lighting

Billboard Lighting: Knoxville's zoning code outlaws new billboards outright: Section 13.2.H of Appendix B lists 'billboards and other off-premise signs' among the signs prohibited citywide, and Section 13.2.E separately bars any illuminated sign within 100 feet of a residential district from shining or reflecting light onto that property..

Also covered: Dark Sky Rules (moderate), Light Trespass & Shielding (moderate). See the full outdoor lighting guide for Knoxville for details.

Parking Rules

Towing & Impound Rights: Knoxville sets a hard price ceiling on tows taken without the owner's consent: $245 for a Class A vehicle, $320 for Class B and $435 for Class C, no matter whether the vehicle came off a private lot or a public street. Storage cannot begin to accrue until twenty-four hours have passed, and then runs at $30 or $45 per day by class.

Also covered: Curb Color Rules (moderate), Overnight Parking (moderate), Street Parking Limits (moderate). See the full parking rules guide for Knoxville for details.

Tree Protection

Heritage & Protected Trees: Knoxville requires a permit from the urban forester before removing or heavily pruning any tree on the State Champion Tree list or designated as a landmark or historic tree..

Also covered: Parkway Planting (moderate). See the full tree protection guide for Knoxville for details.

Fire Regulations

Fireworks: Knoxville bans possessing, manufacturing, storing, selling, or using fireworks within city limits unless the fire prevention bureau issues a bonded display or handling permit..

Also covered: Outdoor Burning (strict), Smoke Detectors (moderate), Propane Storage (moderate). See the full fire regulations guide for Knoxville for details.

Environmental Rules

Stormwater Management: Knoxville requires an engineering department site development permit before grading, filling, clearing, or altering any natural or manmade drainage system anywhere in the city, backed by civil penalties up to $5,000 per day..

Also covered: Flood Elevation Requirements (moderate), Flood Zones (moderate), Erosion Control (restrictive). See the full environmental rules guide for Knoxville for details.

Food Trucks & Mobile Vendors

Food Truck Permits: Knoxville requires every food truck to obtain a $200 mobile food unit permit before vending, with a separate $75 temporary permit for one-off events..

Also covered: Vending Zones (restrictive), Sidewalk & Mobile Vending (moderate). See the full food trucks & mobile vendors guide for Knoxville for details.

Outdoor Cooking

Smoker Rules: Knoxville requires any food truck using a smoker to operate at least 100 feet from residential zoning, and mandates safety cones or fencing around barrel smokers..

Sidewalk & Pedestrian Rules

Obstruction Rules: Placing rocks, lumber, rubbish, or other material on a Knoxville public street or sidewalk is a misdemeanor unless a contractor holds a director-of-public-service permit for adjacent building work..

Also covered: Encroachment Permits (moderate), Sidewalk Repair (moderate). See the full sidewalk & pedestrian rules guide for Knoxville for details.

Invasive Plant Rules

Prohibited Species: Knoxville's zoning landscape standards flatly prohibit invasive species on any required landscape plan, steering developers instead toward native, drought-tolerant plants drawn from the city's official Tree List..

Accessory Structures

ADU Rules: Knoxville allows one accessory dwelling unit per single-family lot of at least 5,000 square feet, capped at 40% of the primary home's floor area and two bedrooms, under the zoning code..

Also covered: ADU Owner Occupancy (moderate), Shed & Carport Rules (moderate). See the full accessory structures guide for Knoxville for details.

Rental Property Rules

Repairs & Habitability: Knoxville landlords may not rent or offer to rent any building that is unfit or dangerous, dilapidated, fire-hazardous, or lacking ventilation, light, or sanitary facilities, under City Code § 6-149, enforced by the Department of Neighborhood Codes Enforcement..

Fence Regulations

Material Restrictions: Knoxville bans barbed-wire or spiked fences near sidewalks unless the barbs sit seven feet up, and prohibits electrified fences citywide except for permitted temporary goat-grazing fences and permitted outdoor-storage security fencing..

Also covered: Height Limits (moderate), Fence Permit Requirements (moderate), Retaining Walls (moderate). See the full fence regulations guide for Knoxville for details.

Home Business

Signage Rules: Knoxville caps how a home-based business can advertise itself: Section 13.9.D.1.a of the zoning code allows a properly approved home occupation just one wall sign, capped at two square feet, and the sign cannot be illuminated, whether the home sits in the EN district or one of the RN-1 through RN-7 residential districts..

Also covered: Customer Traffic Restrictions (limited), Zoning & Home Occupation Permits (limited), Home Daycare (moderate). See the full home business guide for Knoxville for details.

Hotels & Lodging

Transient Occupancy Tax: Knoxville levies a 4% privilege tax on hotel occupancy that operators must collect from guests and remit monthly, and the city treats short-term rental stays the same way..

Landscaping Rules

Tree Removal & Heritage Trees: Champion, landmark, and historic trees within Knoxville can't be removed or cut back more than 20 percent without an urban forester permit, issued only if the tree is a hazard or of low historic value..

Also covered: Weed Ordinances (moderate), Tree Trimming (moderate), Rainwater Harvesting (moderate). See the full landscaping rules guide for Knoxville for details.

Zoning Overlays & Bonuses

Downtown Design Guide: Knoxville requires a certificate of appropriateness from the Design Review Board before any new construction, substantial addition, exterior alteration, sign lighting, or public improvement proceeds in the Downtown (DK) zoning district, except the DK-E subdistrict..

Also covered: Density Bonus Law (restrictive). See the full zoning overlays & bonuses guide for Knoxville for details.

Local Taxes & Fees

Business Tax Classification: A Knoxville business that could be taxed under two or more license-tax categories pays only the highest applicable tax, not a tax under every category it might fit..

Garage & Yard Sales

Frequency, Duration & Permits: Knoxville requires a city permit before any garage sale and caps residential households at three permitted sales per calendar year. Each sale runs no more than three consecutive days, or two consecutive weekends, between 9:00 a.m.

Swimming Pools & Spas

Fencing & Safety Requirements: Knoxville's zoning code exempts spas and hot tubs from swimming pool setback and yard rules only if they carry a sturdy, insulated, child-resistant cover; uncovered units are regulated as full private swimming pools..

Also covered: Pool Permits (moderate). See the full swimming pools & spas guide for Knoxville for details.

Solar Energy

Panel Permits: Knoxville lets homeowners mount solar panels on roofs or walls or install freestanding arrays, capping roof-mounted panels on pitched roofs at 18 inches and freestanding systems at 10 feet, and barring freestanding panels from the front yard..

HOA Rules

CC&R Enforcement: Knoxville issues short-term rental permits without checking HOA covenants: the ordinance says outright that the city has no obligation to verify or enforce compliance with private HOA rules..

Curfew Laws

Juvenile Curfew: Knoxville bars anyone under 18 from loitering, wandering or playing in public streets, parks, vacant lots and other unsupervised places between midnight and 5:00 a.m. Six specific defenses excuse a minor found out during those hours, including being with a parent, coming from work, or exercising First Amendment rights..

Also covered: Park Curfew (moderate). See the full curfew laws guide for Knoxville for details.

Homelessness & Encampment Rules

Sit-Lie Rules: Knoxville bans sitting or lying on public sidewalks from 7 a.m. to 9 p.m.

What to Do With This Information

Think of this as a map of the regulatory landscape in Knoxville. For any rule that directly affects a decision you are making, click through to the full ordinance page for penalty details and exceptions, and confirm with the city if the stakes are high.