Building Setbacks & Zoning 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.

Setback Rules

Williamson County's zoning ordinance sets minimum front, side, and rear yard setbacks that vary by zoning district and by subdivision type. In the Agricultural, Rural Preservation, Rural Development, and Suburban Infill and Conservation districts, traditional subdivisions of 5 acres or more require a 100-foot front and rear setback with a 50-foot side setback, while Municipal Growth Area and Hamlet districts use narrower 25 to 35-foot side and rear standards under Table 10.07-2.

Williamson County Yard Setback Minimums by Zone

Some Restrictions

Williamson County, TN, Zoning Ordinance Table 10.07-2 (Section 10.07)

TABLE 10.07-2: SUMMARY TABLE OF MINIMUM SETBACKS FRONT YARD SETBACK SIDE YARD SETBACK REAR YARD SETBACK DISTRICT STRUCTURE TRADITIONAL TRADITIONAL CONSERVATION TRADITIONAL CONSERVATIO TRADITIONAL CONSERVATION TYPE SUBDIVISIONS SUBDIVISIONS SUBDIVISIONS SUBDIVISIONS SUBDIVISIONS SUBDIVISIONS A 5 ACRES OR N 1 ACRE TO RP-5 4.99 ACRES GREATER SUBDIVISIONS RD-5 RP-1 Residential Not 100 feet Not Appl...

Full ordinance details →Official source ↗

Structure Height Limits

Most residential zoning districts in unincorporated Williamson County cap building height at 3.0 stories. Table 10.02-4 sets that limit for the Rural Preservation District 1 (RP-1), and Table 10.02-5 sets the identical 3.0-story cap in the Rural Development District 1 (RD-1), while the large-lot Agricultural, RP-5, and RD-5 districts list no maximum height at all.

Williamson County Residential Height Limit

Some Restrictions

Williamson County, TN, Zoning Ordinance Sec. 10.02(D), Table 10.02-4

TABLE 10.02-4: DIMENSIONAL STANDARDS FOR THE RURAL PRESERVATION DISTRICT-1 ... DIMENSIONAL STANDARDS RESIDENTIAL STRUCTURES NONRESIDENTIAL STRUCTURES ... Maximum Height All Subdivisions 3.0 stories 3.0 stories

Full ordinance details →Official source ↗

Building Setbacks & Zoning by City in Williamson County

1 cities in Williamson County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.

FranklinPop. 83,454

3 verified rules • Lot Coverage Limits, Setback Rules

All Williamson County ordinances

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Williamson County Ordinance Hub →