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Williamson County

Covered by Trey Sugg / Realty ONE Group Music City. Middle Tennessee residential real estate.

Cities & towns: Brentwood, Fairview, Franklin, Nolensville, Spring Hill, Thompson's Station

Williamson County, Middle Tennessee
Williamson County lifestyle

Highlights

Williamson is Greater Nashville’s southern premium ring — strong schools, Cool Springs jobs, historic Franklin, and Brentwood’s mature neighborhoods. County seat: Franklin. Official places (CTAS / COUNTIES.md): Franklin, Brentwood, Nolensville, Fairview, Thompson’s Station, Spring Hill (also Maury — verify county on the address), plus unincorporated nodes such as College Grove, Arrington, and Leipers Fork.

City deep-dives already strong: <a href="/cities/williamson/brentwood/">Brentwood city guide</a> · Research pack brentwood-city/. Franklin city guides also exist under city-guides (franklin.md / williamson-franklin.md) — link those pages when live; do not invent a Franklin city Research pack.

Housing diligence

WCS vs FSD assignment by address · Brentwood UGB / lot constraints · HOA/PUD docs · flood/drainage/karst per parcel · Spring Hill county line (Williamson vs Maury) · septic/well on rural-edge parcels · TN disclosure ≠ inspection · title-company closings common in Mid TN.

Buyers

Narrow by corridor (Brentwood / Cool Springs–Franklin / Nolensville / Fairview / Thompson’s Station / Spring Hill portion) and housing type. Use Aug 2026 Realtor spine as labeled context; price from live comps. City medians ≠ county median — Brentwood and Nolensville carry labeled CONFLICT rows. Verify school assignment — never by ZIP alone.

Sellers

Honest pricing vs current comps; clear disclosure; document HOA, flood, and systems. Premium inventory still moves on condition and pricing discipline — don’t chase last year’s portal YoY alone when windows conflict.

Relocators

Match the week (job site + school logistics + I-65 pattern) before the listing photo. Cool Springs employers, WCS/FSD splits, and Battle of Franklin sites each change neighborhood feel. Soft next step: walk zones and Main Street for your addresses. Brentwood city deep-dive: <a href="/cities/williamson/brentwood/">Brentwood guide</a>. Franklin city primers: city-guides franklin.md / williamson-franklin.md when wired live.

Cities & towns

Official cities and towns:

Housing / market

Williamson County, Tennessee — southern premium ring
Williamson County

Owner-occupied rate 78.8%; ACS median owner value $751,900; median gross rent $1,969 (ACS 2020–2024) — not MLS sale medians. Housing units Jul 1, 2025: 103,674; building permits 2025: 1,621. Median HH income $135,594; bachelor’s+ 62.7%; mean commute 27.9 min. https://www.census.gov/quickfacts/fact/table/williamsoncountytennessee/PST045225

Stock mix (qualitative): luxury/production new construction (Franklin edges, Nolensville, Thompson’s Station, Spring Hill portion) + mature Brentwood UGB SFH + historic downtown Franklin + rural-edge / Leipers Fork–College Grove acreage. Condo vs acreage share: GAP.

PRIMARY — Greater Nashville REALTORS® quarterly home sales (data from RealTracs Solutions; association public board — not live Realtracs Analytics→Market Trends). https://www.greaternashvillerealtors.org/market-data-quarterly · research `mid-tn-market-stats/gnar-public/EXTRACT-quarterly-2026.md` (fetched 2026-09-11).

Q2 2026 (Apr–Jun) — Williamson County:

  • Residential median sold $1,101,242 · 1,322 closings
  • Condo median sold $525,000 · 191 closings
  • Total closings 1,513

Q1 2026 (Jan–Mar) — Williamson County:

  • Residential median sold $1,065,000 · 761 closings
  • Condo median sold $475,000 · 128 closings
  • Total closings 889

GNAR public quarterly = county residential/condo closings + prices only. County inventory / DOM on that board: GAP. City splits on GNAR public quarterly: GAP — keep SECONDARY portals labeled below; do not invent city board figures. Typed city SFH/condo/land bands still GAP (county Res/Condo rows above are board quarterly, not city typed bands).

Portal sale / listing stats — Mid-TN market-stats + pack (2026-09-11). Aggregators = SECONDARY (not the GNAR public quarterly board above). Dual sources labeled; do not blend with each other or with GNAR quarterlies. Live Realtracs Analytics→Market Trends + typed city bands: GAP.

City context (not county): Franklin Redfin $869,565; Brentwood Realtor $1,325,000 vs Redfin ~$1,426,724 (CONFLICT — brentwood-city); Nolensville Realtor $834,950 vs Resideline $909,231 (CONFLICT).

What homes cost: overall portal medians above only. Property-type ranges (SFH / condo-TH / land): GAP until Realtracs PRIMARY. Builder starting prices = marketing floors only.

City deep-dives: <a href="/cities/williamson/franklin/">Franklin city guide</a> · <a href="/cities/williamson/brentwood/">Brentwood city guide</a>.

Who’s moving in

From pack §3 + MIGRATION-TRENDS.md (2026-09-11). Prefer county PEP over metro-only claims. Under-18 %: GAP this QuickFacts pull — do not invent.

  • Pop 272,061 (+3,575 YoY from 269,136) — Census PEP V2025; TNSDC
  • 2020 base → Jul 2025: +9.8% (247,790 → 272,061)
  • Net domestic +2,274; international +762; net migration +3,036
  • ACS 2016–2020 net +5,149 (FRED NETMIGNACS047187)
  • Same house 1 yr 87.8%; foreign-born 8.5% (ACS 2020–2024)
  • Place pops (V2025): Franklin 90,226 (+8.0%); Brentwood 45,313 (−0.1%); Nolensville 15,789 (+14.3%); Fairview ~10,877
  • U-Haul TN growth-areas list names Franklin, Brentwood, Fairview (Tennessean Jan 6, 2026)

https://tnsdc.utk.edu/2026/03/30/davidson-holds-as-tennessees-fastest-growing-county-in-2025/

Thompson’s Station / Spring Hill (Williamson portion) place estimates: GAP. No invented origin flows.

Schools

Dual system in Franklin: FSD/FSSD PK–8 for many city addresses → typically WCS for high school; WCS PreK–12 countywide elsewhere. Confirm by address — never by ZIP.

CONFLICT: GS district index 41,593/53 vs WCS ~42k/52 — different datasets.

Zones: https://www.wcs.edu/about-us/school-zones · PDF https://docs.wcs.edu/pdf/transportation/WCS-School-Zone-Map.pdf

GreatSchools PRIMARY (retrieved 2026-09-11):

Private (no tuition invented): BGA · Grace Christian · Franklin Christian · Brentwood Academy (exact street GAP). Live pack GS supersedes older stub rows. City deep-dive: <a href="/cities/williamson/brentwood/">Brentwood guide</a>.

Industries / employers

Franklin, Tennessee — Williamson County seat
Franklin · county seat

Corporate HQ / back-office, healthcare, tech, finance/insurance, retail HQ support (Williamson, Inc. / chamber).

Named presence (headcounts vintage/GAP — prefer names):

https://williamsonchamber.com/economic-development/

Retail & everyday

Starbucks.com countywide exact count: GAP. Walmart exhaustive pins: GAP.

Hospitals & medical

Williamson Medical Center — <a href="https://maps.google.com/?q=4321+Carothers+Parkway+Franklin+TN+37067">4321 Carothers Pkwy, Franklin, TN 37067</a> — primary county hospital · https://williamsonhealth.org/

Full-service hospital inside Brentwood city limits: GAP (nearest major = WMC Franklin). Ascension/TriStar in-county urgent-care roster: GAP this pass.

Gyms & recreation

Named commercial gym brand+address list: GAP this Research pass — do not invent.

City recreation anchors: Franklin parks/rec system (Rec Complex exact street GAP); Brentwood Parks & Recreation — 1,027 acres / 14 parks — https://www.brentwoodtn.gov/Service-Center/Parks-Recreation

Parks & trails

Brentwood, Tennessee — Williamson County
Brentwood

Fairview/Nolensville/Thompson’s Station municipal parks full inventory: GAP.

Historic & famous places

Battle of Franklin Nov 30, 1864; Visit Franklin/BOFT cite >9,500 casualties — use their wording. https://boft.org/visit

Builders & new construction

Verified selling (builder primary, as-of 2026-09-11). Builder prices = marketing floors — not MLS sold bands.

Do not list as selling: Pulte Daventry/Riverton (Sold Out). Lennar Harmony Hills / Toll August Park / 2027 pipeline: confirm live before status=selling. Brentwood city pack for Arcadia detail.

Notable people

Sourced county ties only (NOTABLE_PEOPLE.md):

  • Thomas Hart Benton — formative years Williamson / Franklin bar 1806 · TN Encyclopedia + Lovely Franklin
  • Eddy Arnold — Brentwood; Crockett Park amphitheater gift · CMHOF
  • Lynn Anderson — resided Brentwood at death
  • Emery Pewitt — first mayor of Brentwood (incorporation 1969)
  • T. Vance Little — City Historian of Brentwood; *Historic Brentwood*
  • Francis Pecantet & James M. Hall — laid out/named Brentwood 1856

Do not claim: Minnie Pearl (Hickman origin). Cross-link <a href="/cities/williamson/brentwood/">Brentwood city guide</a> for city-focused notables.

Map of local places

Places from Research MAP_PINS (FACT). Verify hours and visitation rules. Pins also appear on the map when coordinates are filed.

Next steps

Browse listings, run the payment or closing-cost tools, then call to tour with your commute and timeline in mind.

Map

Williamson County map

County boundary highlighted on OpenStreetMap. Amenity pins appear when Research files MAP_PINS.

Map data © OpenStreetMap contributors

Places on this map

From Research MAP_PINS. Links open Google Maps.

Talk through Williamson County

Call or text 615-943-1644, try the tools, or send a note via contact and I’ll follow up.

Call 615-943-1644 Contact Tools PDF area guide

This page is for general informational purposes about Middle Tennessee residential real estate. It is not an appraisal, and it is not legal, tax, insurance, or lending advice. Flood zones, HOA rules, school assignments, and property conditions must be verified for each address. Market conditions change; no outcome is guaranteed.

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