Williamson County property tax is your home's appraised value x 25% x the 2026 rate per $100 for its jurisdiction: $1.30 outside any city, $1.566 inside Franklin outside the Franklin Special School District, and $2.2433 inside both. On a $1.5M home that is $4,875, $5,872.50 or $8,412.38 a year. Bills are mailed in early October and are due by February 28.
At a glance
| Residential assessment | 25% of appraised value |
|---|---|
| County Only rate, 2026 | $1.30 per $100 assessed |
| Franklin, outside FSSD, 2026 | $1.566 per $100 |
| Franklin, inside FSSD, 2026 | $2.2433 per $100 |
| Bills mailed | Early October |
| Due | February 28; interest from March 1 |
| Last county-wide reappraisal | 2025 (four-year cycle) |
Estimate your 2026 property tax
a year · $0 a month
Appraised value x 25% residential assessment x the 2026 rate per $100, from the Williamson County Trustee. Your bill uses the Assessor's appraised value on your parcel, not the price you pay. Nothing you enter is saved or sent.
How a Williamson County property tax bill is calculated
Every residential bill in Tennessee follows one formula, set out by the state Comptroller: appraised value x 25% assessment ratio x the tax rate per $100 of assessed value. Commercial and industrial property is assessed at 40%, but homes are assessed at 25%.
The three inputs come from three different offices. The Williamson County Property Assessor sets the appraised value. The County Commission and each city's governing body set their own rates every year based on the budgets they pass. The Williamson County Trustee mails the bill and collects the money. The Assessor does not set rates, send bills or collect taxes, so a question about your value goes to the Assessor and a question about payment goes to the Trustee.
The Trustee collects for the county, the Franklin Special School District (FSSD) and the cities of Brentwood, Franklin, Thompson's Station and Nolensville. Spring Hill collects its own city taxes.
2026 property tax rates by jurisdiction
The rate a Franklin-area home pays depends on two lines on a map: Franklin city limits and the FSSD boundary. These are the Trustee's published 2026 rates per $100 of assessed value.
| Jurisdiction | 2026 total rate | How it breaks down |
|---|---|---|
| County Only (unincorporated) | $1.30 | County $1.30 |
| Franklin, not in FSSD | $1.566 | City $0.2960 + county $1.27 |
| Franklin, in FSSD | $2.2433 | City $0.2960 + county $1.18 + FSSD $0.7673 |
| Outside Franklin, in FSSD | $1.9773 | County $1.21 + FSSD $0.7673 |
| Brentwood | $1.49 | City + county |
| Thompson's Station | $1.403 | City + county |
| Nolensville | $1.64 | City + county |
| Spring Hill | $2.009 | City + county |
| Fairview | $2.1404 | City + county |
County Only: Leiper's Fork, College Grove and other unincorporated land
Leiper's Fork and College Grove are unincorporated, so most homes and farms there pay the County Only rate of $1.30, unless a parcel falls inside a city or the FSSD boundary. Confirm each parcel's district in the Assessor's database. See the Leiper's Fork and College Grove guides for what $1M+ buys in each.
Franklin outside FSSD: $1.566
Inside Franklin city limits but outside FSSD, you pay the city rate of $0.2960 plus a county rate of $1.27. Franklin's own rate has been $0.2960 in 2025 and 2026, down from $0.3261 in 2024.
Franklin inside FSSD: $2.2433
FSSD is a separate school district with its own tax. In 2026 its rate is $0.7673 per $100, up from $0.5873 in 2025, which makes Franklin-plus-FSSD the highest rate in the table. FSSD covers parts of the city only, so two Franklin homes a mile apart can have very different bills.
Outside Franklin, inside FSSD: $1.9773
A smaller group of parcels sits inside the FSSD boundary but outside city limits. They pay the county and FSSD portions without the city rate.
Which addresses are in FSSD is a school district map question. Use the district lookups linked from the Franklin schools guide rather than assuming from a ZIP code.
Property tax on $1M, $1.5M, $2M and $3M homes
The table applies 2026 rates to 25% of each value. It assumes the Assessor's appraised value equals the price; your actual bill uses the appraised value on your parcel record. Brentwood is shown for comparison only.
| Appraised value | County Only ($1.30) | Franklin, not FSSD ($1.566) | Franklin + FSSD ($2.2433) | Outside Franklin, in FSSD ($1.9773) | Brentwood ($1.49) |
|---|---|---|---|---|---|
| $1,000,000 | $3,250 | $3,915 | $5,608.25 | $4,943.25 | $3,725 |
| $1,500,000 | $4,875 | $5,872.50 | $8,412.38 | $7,414.88 | $5,587.50 |
| $2,000,000 | $6,500 | $7,830 | $11,216.50 | $9,886.50 | $7,450 |
| $3,000,000 | $9,750 | $11,745 | $16,824.75 | $14,829.75 | $11,175 |
Example, step by step: a $1.5M home inside Franklin and FSSD is assessed at $375,000. Multiply by $2.2433 and divide by 100: $8,412.38 for 2026. The same home in unincorporated College Grove would pay $4,875.
To add the bill to a monthly payment, divide by 12. A $2M Franklin home outside FSSD adds $652.50 a month on top of the mortgage, which the jumbo mortgage calculator includes.
Reappraisal and appeals
The 2025 reappraisal reset
Tennessee requires reappraisals every four, five or six years, and Williamson County is on a four-year cycle. Reappraisal brings values to current market value using recent sales in defined groups. The last county-wide reappraisal was in 2025, with earlier ones in 2021 and 2016.
When values rose in 2025, rates fell. The county rate dropped from $1.88 in 2024 to $1.30 in 2025, and the Franklin + FSSD county and school portion from $2.5051 to $1.7673. That is why comparing a pre-2025 bill with a current one tells you little: both the value and the rate changed.
2025 vs 2026 on the same home
With an unchanged appraised value of $1.5M inside Franklin and FSSD, the 2025 bill at a combined $2.0633 was $7,737.38. The 2026 bill at $2.2433 is $8,412.38, an increase of $675 that comes entirely from the FSSD rate change.
How to appeal your value
The assessment roll with preliminary values opens for public inspection in May, and owners whose value changed are notified by mail. You can first ask the Assessor's office to review your value, but to preserve your appeal rights you must schedule an appointment with the County Board of Equalization, which meets every June. For 2026 the deadline to schedule was June 11, 2026 (615-790-5708). The board has five members appointed by the County Commission for two-year terms. If you are not satisfied with its decision, you can appeal to the State Board of Equalization.
An appeal is about value, not the rate. Bring recent comparable sales; the Franklin housing market page shows how values have moved.
Relief, freeze and exemption programs
The Trustee runs four relief programs, all by appointment (615-790-5709). They are income-tested, and the 2026 limits are low enough that most owners of $1M+ homes will not qualify. Income means total income from all sources, not adjusted gross income. Applications for 2026 taxes are accepted until April 5, 2027, and taxes must be paid in full before you apply.
State tax relief for elderly and disabled homeowners
You must be 65 or older by December 31, 2026 (or meet the disability requirements), live in the home as your primary residence, and have combined 2025 income of no more than $38,470.
Williamson County Broad Base Tax Relief
For owners 65 or older by December 31, 2026 with combined 2025 income of no more than $63,000, living in the home. A refund check is issued after the taxes are paid in full.
Williamson County Tax Freeze
For owners 65 or older by December 31, 2026 who live in the home, with combined 2025 income of the applicant, spouse and all co-owners of no more than $69,150. Taxes are frozen at the qualifying year's amount, and you must reapply every year. The base can change if improvements raise the value or if you sell and buy another home. Acreage over five acres is not eligible; the Assessor calculates the base on the residence and up to five acres. The freeze is a local-option program: as of 2024, 27 counties and 34 cities in Tennessee had adopted it.
Disabled veterans and surviving spouses
A separate state program covers disabled veterans and widows or widowers of disabled veterans. Eligibility rules come from the state; ask the Trustee's office at the number above.
Tennessee's homestead exemption is not a tax break
Tennessee has no general homestead exemption from property tax. The homestead exemption in the Tennessee Code is creditor protection for a principal residence, limited to one parcel of up to five acres, and it does not apply against public taxes. Property tax help comes only through the relief and freeze programs above.
Greenbelt for farm, forest and open land
Qualifying agricultural, forest or open-space land is taxed on its present use value instead of market value. Agricultural land needs at least 15 acres (a 10-acre noncontiguous parcel can qualify alongside a qualified 15-acre parcel); forest land needs at least 15 acres and a forestry plan; one owner can enroll up to 3,000 acres per county. Apply by March 15; recording the application costs $12 at the Register of Deeds, and new owners must reapply.
Paying the bill and due dates
When bills arrive and when they are due
Bills are mailed in early October. Taxes can be paid from the first Monday in October through February 28 of the following year, and partial payments are accepted. 2026 taxes become delinquent on March 1, 2027.
Interest on late payments
Interest of 1.5% is added on March 1 and accrues on the first of each month after that. The Trustee cannot waive, prorate or release taxes or interest (TCA 67-5-2803).
Buying or selling during the year
Taxes cover January 1 through December 31, and the bill goes to the owner of record on January 1 (TCA 67-5-2101). If you sold during the year, you are responsible for forwarding the bill to the new owner. Buyers and sellers usually split the year in the purchase contract; check how yours handles it, and see the Tennessee closing costs guide for the rest of the settlement statement. Whether a sale changes the appraised value before the next reappraisal is a question for the Assessor's office.
Before you make an offer on a $1M+ home, look up its tax district and appraised value. If you would like, I can pull both for any home you are considering.
Common questions
How can I check my Tennessee property tax records online?
In Williamson County, search any parcel in the Property Assessor's online database to see its appraised and assessed value. Bills and payment status are handled by the Williamson County Trustee. Other Tennessee counties have their own assessor and trustee offices, each with its own search.
Are seniors exempt from paying property taxes in Williamson County?
No. Seniors pay property tax, but three income-tested programs can reduce or freeze it for owners 65 or older by December 31, 2026 who live in the home: state relief (2025 income up to $38,470), county Broad Base relief (up to $63,000) and the county Tax Freeze (up to $69,150). Income counts all sources, and you must apply through the Trustee.
Do seniors over 65 pay property taxes in Tennessee?
Yes. Turning 65 does not exempt you from property tax in Tennessee. It makes you eligible to apply for state tax relief and, in counties and cities that adopted it, a tax freeze, if your income is under the year's limit. In Williamson County for tax year 2026 the freeze limit is $69,150 of combined 2025 income, and you must reapply each year.
Is Williamson County the wealthiest county in Tennessee?
By home values it stands well above the state. Zillow's typical home value for Williamson County was $929,377 in August 2026, compared with $334,108 for Tennessee and $428,280 for Davidson County. This guide does not rank counties by income; home values are what drive the property tax bills shown here.
What is the property tax rate in Franklin, TN?
For 2026, a home inside Franklin city limits pays $1.566 per $100 of assessed value if it is outside the Franklin Special School District, or $2.2433 if it is inside. Assessed value is 25% of appraised value, so a $1.5M Franklin home pays $5,872.50 or $8,412.38 a year depending on the school district line.
When are Williamson County property taxes due?
Bills are mailed in early October and can be paid from the first Monday in October through February 28 of the next year. Partial payments are accepted. Interest of 1.5% is added on March 1 and every month after that, and the Trustee cannot waive it. 2026 taxes become delinquent on March 1, 2027.
Does Tennessee have a homestead exemption for property tax?
No. Tennessee's homestead exemption protects a principal residence, up to one parcel of five acres, from certain creditors. It does not reduce property tax and does not operate against public taxes. Property tax help for homeowners comes through the income-tested relief programs and the local tax freeze, which Williamson County has adopted.
Sources
- Williamson County Trustee: 2026 Property Tax Rates & Calculator
- Williamson County: Property Tax Rates
- Williamson County: 2025 Property Tax Rates (PDF, rate history 2015-2025)
- Tennessee Comptroller: How to Calculate Your Tax Bill
- Williamson County Assessor: Purpose of a Reappraisal
- Williamson County Assessor: Tax Rolls & Appeals
- Williamson County: Board of Equalization
- Williamson County Trustee: Frequently Asked Questions
- Williamson County Trustee: Tax Relief & Tax Freeze
- Williamson County Trustee: Tax Relief Brochure TY 2026 (PDF)
- Tennessee Comptroller: Property Tax Programs
- TACIR: Tennessee's Homestead Exemptions (2016 commission paper)
- Williamson County Assessor: Greenbelt
- Williamson County Property Assessor: property search
- Zillow Research: Home Value Index (ZHVI), August 2026
Brianna Morant
I have worked in real estate for more than 20 years. In 2013 I founded Oak Street Real Estate Group with Benchmark Realty, and I lead every listing the team takes on. Here I focus on homes from $1 million in Franklin, Leiper's Fork and College Grove. If you are thinking of selling, I would be glad to tell you what your home could sell for.
Realtor®, Benchmark Realty, LLC. General information, not legal, tax or lending advice.
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