Tennessee's wealthiest county. Franklin's charm and top schools — but you'll pay a premium for every acre.
Possible but expensive. Williamson County has strict zoning, HOAs are common, and land prices are the highest in Tennessee. Agricultural zones exist in the southern part.
| Zone | Min Lot | Barndo OK? |
|---|---|---|
| AG (Agricultural) | 5 acres | ⚠️ Conditional |
| R-1 (Low Density Residential) | 2 acres | ❌ No |
| R-2 (Residential) | 1 acre | ❌ No |
| PUD (Planned Unit Development) | Varies | ❌ No |
Source: Williamson County Planning Commission. Strict zoning with many HOA-governed subdivisions.
Most states allow owner-builders to act as their own general contractor for personal residences. Check Tennessee requirements — licensed subs are typically needed for electrical, plumbing, and HVAC.
Williamson County Building Dept 1320 W Main St, Suite 400, Franklin, TN 37064 (615) 790-5725 Mon–Fri 8:00 AM – 4:30 PM
Low flood risk. Only 8% in FEMA zones, mostly along the Harpeth River. Most buildable land is clean.
Source: FEMA National Flood Hazard Layer, USDA Web Soil Survey
The most expensive land in Tennessee. At $85K/acre median, Williamson County is a premium market. Southern rural areas are cheaper but still above $40K/acre.
Source: U.S. Census Bureau ACS 2024, Williamson County Assessor
Source: U.S. Census Bureau Building Permits Survey · Updated annually
🔥 Williamson County saw strong growth in residential construction — a good sign for builder-friendly policies and land availability.
Williamson County is where Nashville's money lives. Franklin's downtown is one of America's best small towns. Schools rank #1 in Tennessee. The catch? Everything costs more.
Williamson County schools consistently rank #1 in Tennessee. Families move here for education.
Historic downtown Franklin, upscale Brentwood, and Cool Springs shopping — Nashville's premier suburbs.
28.5% growth in 10 years. Home values have skyrocketed and continue to climb.
Excellent infrastructure. Municipal water and sewer throughout most of the county. Fiber internet widely available.
Williamson County is NOT eligible for USDA Rural Development due to its urban/suburban classification. Conventional, FHA, and VA loans are available.
We're building a tool that scores every parcel by buildability — flood risk, soil, zoning, access, and more. Be the first to search.
New listings, zoning changes, and builder availability — delivered to your inbox.
Making products from home?
A new tax law lets you deduct 100% of a production workshop — not just equipment, the building itself.
See if you qualify →New listings, zoning changes, and builder availability — delivered to your inbox.