Landscaping Rules in Knoxville, TN (2026)
5 verified landscaping rules for Knoxville, Tennessee, sourced directly from the municipal code and official government pages.
Verified from official government sources
Tree Trimming
Knoxville property owners must prune trees bordering streets to keep at least 8 feet of clearance over sidewalks and 12 feet over streets, per the city forestry code.
Knoxville Street Tree Clearance Requirements
Some RestrictionsKnoxville Code of Ordinances § 14-59(a) (Ord. No. O-88-2014, § 8, 5-13-14; Ord. No. O-161-2021, § 21, 12-14-21)
It shall be the duty of any person or persons owning or occupying real property bordering on any street upon which property there may be trees, to prune or plant trees in such manner that they will not obstruct or shade street lights, will not obstruct the passage of pedestrians on sidewalks, will not obstruct vision of traffic signs, will not obstruct the use of any street or alley, will not o...
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.
Knoxville Heritage Tree Removal Permit
Significant RestrictionsKnoxville Code of Ordinances § 14-35(a)
(a)No living tree within the city designated on the State of Tennessee Champion Tree list or designated as a landmark, or historic tree by the State of Tennessee or designated organization, shall be removed or otherwise substantially altered by pruning, trimming, or otherwise cutting more than twenty (20) percent of the woody area of such tree without first obtaining a permit from the urban for...
Weed Ordinances
Grass, weeds, and other vegetation on Knoxville property can't top 12 inches: anything taller is presumed a public nuisance the owner must correct, per City Code § 13-143.
Knoxville 12-Inch Weed and Grass Limit
Some RestrictionsKnoxville Code of Ordinances § 13-143(a)
It shall be unlawful for any person owning, leasing, occupying or having control of property in the city to permit of suffer trees, vines, grass, weeds, underbrush or any other vegetation to grow or debris, trash, litter, garbage, refuse or other materials or any combination of such elements to accumulate on such property to such an extent that a nuisance is created injurious to the health, saf...
Rainwater Harvesting
In Knoxville's South Waterfront form-based code district, which includes the Old Sevier and Scottish Pike (SW1) subdistrict, a rainwater harvesting or collection system under 10 feet tall may extend into the required rear setback if it stays at least 5 feet from the lot line, and rain barrels must be screened from the public street and riverwalk or built into the house's design.
Knoxville Rainwater Harvesting System Rules
Some RestrictionsKnoxville City Code, Appendix B (Zoning Code), Art. 7, Sec. 7.1.3.B (SW1 Old Sevier and Scottish Pike), Item 8.f; cross-referencing Sec. 7.0.3.E.2.b and Sec. 7.0.3.I.2.f (General Rules of Applicability)
Trash/Recycling Storage, External Mechanical Units, Electrical Units and Rain Barrels ... Integrate with building design or screen/conceal from view from public street and riverwalk. ... Solar panels, wind turbines and rainwater collection or harvesting systems less than 10 feet in height may encroach into a required rear setback, provided that such extension is at least 5 feet from the vertica...
Composting
Knoxville's zoning code lets homeowners compost in their own backyard, but Article 10, Section 10.3.I of Appendix B confines bins and piles to the rear yard, caps their footprint at 5% of the lot or six feet tall, bars meat and dairy, and keeps the pile out of any required riparian buffer.
Knoxville Backyard Composting Bin Rules
Some RestrictionsKnoxville City Code, Appendix B (Zoning Code), Art. 10, § 10.3.I.1-6 (Composting) (Ord. No. O-61-2020, § 1, 4-21-20; Ord. No. O-95-2022, § 1, 7-26-22; Ord. No. O-25-2024, § 1, 3-5-24)
I. Composting 1. Bins or piles are allowed only in rear yards and must be set back five feet from lot lines. 2. Bins or piles must not exceed 5% of the total lot area and six feet in height. 3. Bins or piles must be located outside of any required riparian buffer zone. 4. Compost must be enclosed or contained. 5. Compost must only be used for the composting of materials generated on-site, and c...
Looking for Knox County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Knoxville city rules.
Landscaping Rules in Knox County →