Taxes in Brentwood
Brentwood's tax picture combines Tennessee's zero-income-tax advantage and the same 9.75% Williamson County sales tax rate as Franklin with a genuinely simpler, and computed slightly LOWER, effective property-tax rate -- roughly 0.37% of appraised value -- thanks to Brentwood's single-district structure and a city rate flat for 36 consecutive years.
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Learn moreZero state income tax, applying identically to Brentwood
Tennessee levies no state income tax at all on wages, retirement income, capital gains, or Social Security -- the Hall Income Tax on investment income was fully repealed effective January 1, 2021, and a 2014 constitutional amendment bars taxing earned income going forward. This applies identically in Brentwood as anywhere else in the state.
The same 9.75% combined sales tax rate as Franklin
Williamson County's minimum combined sales tax rate is 9.75% (7% state plus 2.75% county, with no additional city-level sales tax in Brentwood) -- identical to Franklin's rate, and slightly above Tennessee's 9.61% statewide average, itself the second-highest in the nation per the Tax Foundation as of mid-2026.
Property tax: a simpler, computed-lower effective rate than Franklin's
Williamson County's FY2026 rate is $1.30 per $100 of assessed value (the same countywide rate that applies to Franklin). The City of Brentwood's own rate is $0.19 per $100 assessed -- unchanged for 36 consecutive years as of the FY2026 budget cycle, and notably lower than Franklin's own $0.296 city rate. Because Brentwood carries no special-school-district property-tax layer comparable to Franklin's FSSD, its combined rate is simply county + city: $1.30 + $0.19 = $1.49 per $100 assessed. Applying Tennessee's state-constitutional 25% residential assessment ratio, that computes to an effective rate of roughly 0.37% of appraised value -- at the low end of the 0.37%-0.54% cross-source range already disclosed in the base record, and both simpler to compute (no boundary confirmation needed) and slightly lower than Franklin's own computed 0.40%-0.55% range (see franklin-topics.js).
The same realty transfer tax and no estate/inheritance tax
Tennessee's realty transfer tax ($0.37 per $100 of price/value, see buying-a-home) applies at closing, and Tennessee has no state estate or inheritance tax (repealed for deaths after December 31, 2015); the federal estate tax exemption for 2026 is $15M per individual -- both apply identically in Brentwood.
Key takeaways
- Tennessee's zero state income tax on wages, retirement income, capital gains, and Social Security applies identically in Brentwood as in Franklin or anywhere else in the state.
- Williamson County's 9.75% combined sales tax rate (7% state + 2.75% county, no city add-on) is identical in Brentwood and Franklin.
- Brentwood's property tax structure is genuinely simpler than Franklin's: no special-school-district layer, just Williamson County's $1.30/$100-assessed rate plus the City of Brentwood's own $0.19/$100-assessed rate (unchanged for 36 consecutive years, FY2026) -- computing to roughly 0.37% of appraised value under Tennessee's 25% assessment ratio.
- That computed 0.37% effective rate sits at the low end of the base record's disclosed 0.37%-0.54% cross-source range and is slightly lower than Franklin's own computed 0.40%-0.55% range.
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