Tree Protection in Williamson County, TN (2026)

2 county-level rules, plus city-specific rules for 1 city in Williamson County, Tennessee.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Williamson County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Heritage & Protected Trees

Williamson County keeps no heritage or landmark specimen-tree registry. Protection is canopy-based, but conservation subdivisions in the rural TCA-1 district must preserve large deciduous trees, 28-inch trunk diameter or greater, in permanent open space.

Williamson County Heritage & Protected Tree Rules

Some Restrictions

Williamson County Zoning Ordinance, TCA-1 Conservation Subdivision Standards

All healthy deciduous trees with a diameter at breast height (DBH) of 28 inches or greater, along with the drip line of such trees, shall be preserved in permanently protected Open Space.

Full ordinance details →Official source ↗

Parkway Planting

Williamson County requires developments to plant a minimum density of canopy trees and shrubs along the public street frontage under Section 15.05's streetscape landscaping standard. Residential frontage needs more plantings per 100 linear feet than nonresidential frontage, and the requirement can double where homes would otherwise be visible from the road.

Williamson County Streetscape Tree Planting Rules

Some Restrictions

Williamson County, TN Zoning Ordinance § 15.05(A)-(B)

Section 15.05:Streetscape Landscaping Required. Development subject to the requirements of this Article shall provide streetscape landscaping in accordance with the following: (A) Residential use types shall use the following landscaping materials within the required streetscape: (1) A minimum of 18 aggregate caliper inches of canopy and/or understory trees per 100 linear feet or proportional s...

Full ordinance details →Official source ↗

Tree Protection by City in Williamson County

1 cities in Williamson County have their own tree protection rules. Each link goes to that city's dedicated page with code citations.

FranklinPop. 83,454

2 verified rules • Heritage & Protected Trees, Parkway Planting

All Williamson County ordinances

See every category we cover for Williamson County: parking, noise, fences, fires, animals, pools, and more.

Williamson County Ordinance Hub →