6 county-level rules, plus city-specific rules for 1 city in Williamson County, Tennessee.
Verified from official government sources
In unincorporated Williamson County, zoning sets fence heights, generally six feet in side and rear yards and four feet toward the front. Franklin and Brentwood run their own rules, and an HOA usually matters more than either.
Standard residential fences up to six feet usually need no building permit in Williamson County; taller fences, masonry walls, and pool barriers do. Franklin, Brentwood, and Spring Hill issue their own permits and check setbacks.
Tennessee's partition-fence law makes adjoining owners split the cost of a shared boundary fence, and a neighbor who ties into your fence must pay a fair share. It fits Williamson's rural tracts more than platted subdivisions.
Tenn. Code Ann. §44-8-202
Partition fences may be erected and repaired at the expense, jointly, of the occupants or owners; or if a person makes a fence a partition fence, by joining to it or using it as such, that person shall pay to the person erecting it that person's proportion of the expense.
In Williamson County a retaining wall over four feet, measured bottom of footing to top, needs a building permit and usually engineered plans. Shorter walls are generally exempt, but drainage and setbacks still matter.
Every residential pool, spa, and hot tub in Williamson County must be enclosed by a barrier at least four feet high with self-closing, self-latching gates. The barrier is a building-code requirement checked at permit and inspection.
No Tennessee statute limits residential fence materials, so wood, vinyl, chain-link, and wrought iron are all lawful across Williamson County. Barbed wire and electric fence read as agricultural, and HOAs frequently ban chain-link in front yards.
1 cities in Williamson County have their own fence regulations rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Williamson County — parking, noise, fences, fires, animals, pools, and more.
Williamson County Ordinance Hub →