AppealDesk

Williamson County Property Tax Appeal — Tennessee

Rob HartleyRob Hartley·Updated February 15, 2026

The median property tax in Williamson County, Tennessee is $1,879 per year for a home worth the median value of $335,800. The Williamson County Assessor of Property is a Tennessee constitutionally elected official who serves at the pleasure of the Williamson County citizens for a four-year term of office. Williamson County, with its county seat in Franklin, is one of Tennessee's most affluent counties, featuring rapidly growing cities like Brentwood and Spring Hill. The median annual property tax paid by homeowners in Williamson County is $2,980, highest in the state and almost double the state average. More specifically, the median home value in Williamson County is $868,600.

Notable cities: Franklin, Brentwood, Spring Hill, Fairview, Nolensville, Thompson's Station

Median Home

$868,600

Tax Rate

0.56%

Annual Tax

$2,980

Population

250,000

2026 Appeal Deadline: To schedule an appeal before the board, you should call our office the first week of June.

The CBOE meets every year in the month of June. To schedule an appeal before the board, you should call our office the first week of June. Property owners whose property has changed in value are notified by mail of those changes, and are given an opportunity to appeal any values they feel are inconsistent with the fair market value of their property.

Property in Williamson County, Tennessee — local tax assessment and appeal guide

How Williamson County Assesses Property

25%of market value

Assessed by: The Williamson County Assessor of Property is a Tennessee constitutionally elected official who serves at the pleasure of the Williamson County citizens for a four-year term of office. The primary responsibility of the property assessor is to discover, list, classify, and value all real, personal, or mixed property within the jurisdiction of Williamson County for tax purposes.

Assessment cycle: quadrennial

Notices typically mailed: In Williamson County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. For example, if your home's market value is $868,600, at Tennessee's 25% assessment ratio your assessed value would be $217,150, resulting in approximately $4,362 in annual taxes at the county's effective rate of 0.56%. This calculation helps determine your actual tax liability based on your property's assessed value rather than its full market value.

The Appeal Process

Appeals are heard by the County Board of Equalization. The County Board of Equalization is composed of five members who live in various areas of the county. Each member is appointment by the County Commission and serve terms of two years.

1

You can contact our office to review your valuation whenever you have questions about your property value. Property owners can often settle disagreements at this level without continuing the appeal process.

2

To schedule an appeal before the board, you should call our office the first week of June.

3

However, you still need to preserve your appeal rights by timely making your appointment with the County Board of Equalization.

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The CBOE meets every year in the month of June.

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If you are not satisfied with your appeal at the County Board level, you may take your appeal on to the State Board of Equalization.

Required form: No specific form required - call to schedule appointment

Filing Methods

phone:You can call the Williamson County Tax Assessor's Office for assistance at(615) 790-5708.
in-person:The Williamson County Tax Assessor Office is located at 1320 West Main Street, Suite 300 & 313 in Franklin, Tennessee.
mail:1320 West Main Street, Suite 300 & 313, Franklin, TN 37064

Evidence to Bring

comparable salesphotos of property conditionrepair estimatesrecent appraisals

Williamson County Assessor Contact

Williamson County Property Assessor's Office

Phone: (615) 790-5708

Address: 1320 West Main Street, Suite 300 & 313 in Franklin, Tennessee.

Website: https://www.williamsoncountyhttps://-tn.gov/64/Property-Assessor

Online Portal: https://inigo.williamson-tn.org/property_search/

Hours: Monday-Friday, 8:00 a.m. - 4:30 p.m.

Tax Exemptions in Williamson County

Property Tax Relief Program

Varies based on income

Tax relief is a payment made by the Tennessee government to reimburse homeowners who meet certain eligibility requirements for part or all of the property taxes paid. This is not an exemption; homeowners still receive their tax bills and are responsible for paying their property taxes each year.

Eligibility: In order to receive tax relief, the applicant must own their primary residence in a given tax year. The income of the applicant's spouse is also required to determine eligibility regardless of residence or property.Deadline: Contact Trustee's office for details

Property Tax Freeze for Seniors

Freezes property taxes at current level

Williamson County has approved a tax freeze for property taxes.

Eligibility: Seniors who qualify based on age and income requirementsDeadline: Contact Trustee's office

Greenbelt Program

Reduced assessment for qualifying agricultural land

The term "Greenbelt" refers to Tennessee's Agricultural, Forest, and Open Space Land Act of 1976, (commonly referred to as the "Greenbelt Law" or "Greenbelt Program").

Eligibility: Agricultural, forest, or open space land meeting state requirementsDeadline: Contact Assessor's office

Official Resources

Williamson County Property Assessor Website →

Official county assessor website with property information, appeal procedures, and contact details.

Williamson County Property Search Portal →

Search for property assessments, view property details, and access tax information online.

Williamson County Trustee Tax Payment Portal →

Pay property taxes online and access tax bill information through the county trustee's office.

Tennessee Comptroller Property Tax Resources →

State-level property tax information, reappraisal schedules, and assessment guidelines for Tennessee.

Check Your Williamson County Assessment

Enter your address to see if your Williamson County property is overassessed.

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Williamson County?
The CBOE meets every year in the month of June. To schedule an appeal before the board, you should call our office the first week of June. Unlike some counties with fixed deadlines, Williamson County requires you to schedule your appeal hearing by calling(615) 790-5708 during the first week of June. This timing allows you to review your assessment notice received in May and prepare your appeal before the County Board of Equalization meets.
How do I file a property tax appeal in Williamson County online?
Williamson County does not currently offer online filing for property tax appeals. To schedule an appeal before the board, you should call our office the first week of June. You must call the Assessor's office at(615) 790-5708 to schedule your appeal hearing. While you can view your property information online at https://inigo.williamson-tn.org/property_search/, the actual appeal must be initiated by phone during the specified timeframe in early June.
What is the homestead exemption worth in Williamson County?
Williamson County does not offer a traditional homestead exemption like some other Tennessee counties. However, Tax relief is a payment made by the Tennessee government to reimburse homeowners who meet certain eligibility requirements for part or all of the property taxes paid. This is not an exemption; homeowners still receive their tax bills and are responsible for paying their property taxes each year. Additionally, Williamson County has approved a tax freeze for property taxes. Contact the Trustee's office at(615) 790-5709 for specific eligibility requirements and benefit amounts.
What happens at a Board of Equalization hearing in Williamson County?
The County Board of Equalization, after hearing owners' appeals and ordering any changes they feel are warranted, makes the assessment roll final for the year. The County Board of Equalization is composed of five members who live in various areas of the county. Each member is appointment by the County Commission and serve terms of two years. During your hearing, you'll present evidence supporting your property value claim, such as comparable sales or condition issues. The board reviews this information and makes a determination about whether to adjust your assessment.
How much can I save by appealing my property taxes in Williamson County?
While specific savings vary by property, Williamson County has some of the highest property taxes in Tennessee. The median annual property tax paid by homeowners in Williamson County is $2,980, highest in the state and almost double the state average. With a median home value of $868,600 and an effective tax rate of 0.56%, even a 10% reduction in your assessed value could save hundreds of dollars annually. Success depends on presenting strong evidence that your property is overvalued compared to similar properties.
What evidence do I need for a Williamson County property tax appeal?
Previous appraisals, expert opinions, and appraisals for similar properties may be attached to the appeal as supporting documentation. The most effective evidence includes recent sales of comparable properties in your neighborhood, professional appraisals showing a lower value, photos documenting property condition issues, and repair estimates for any deferred maintenance. You can contact our office to review your valuation whenever you have questions about your property value. Property owners can often settle disagreements at this level without continuing the appeal process.
Can I appeal my Williamson County property taxes if I miss the June deadline?
However, you still need to preserve your appeal rights by timely making your appointment with the County Board of Equalization. Missing the June deadline generally means you cannot appeal that year's assessment. However, You can contact our office to review your valuation whenever you have questions about your property value. If you discover an error in square footage or other factual mistakes, the assessor may be able to correct these outside the formal appeal period. Plan ahead for next year's appeal by marking your calendar for early June.
What if I'm not satisfied with my Williamson County tax appeal decision?
If you are not satisfied with your appeal at the County Board level, you may take your appeal on to the State Board of Equalization. If your appeal is denied, you still have the option to re-appeal the decision. If no further administrative appeals can be made, you can appeal your Williamson County tax assessment in court. Each level of appeal has its own procedures and deadlines, so it's important to act promptly if you wish to continue challenging your assessment.

For state-wide appeal information including Tennessee's assessment ratio and deadlines, see our Tennessee Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

More Tennessee Counties

Davidson County (Nashville)Hamilton County (Chattanooga)Knox County (Knoxville)Rutherford County (Murfreesboro)Shelby County (Memphis)Sumner County (Hendersonville)
← All Tennessee property tax appeal info

Sources: https://www.williamsoncountyhttps://-tn.gov/388/Tax-Rolls-Appeals | https://www.williamsoncountyhttps://-tn.gov/64/Property-Assessor | https://smartasset.com/taxes/tennessee-property-tax-calculator | https://www.ownwell.com/trends/tennessee/williamson-county | http://www.tax-rates.org/tennessee/williamson_county_property_tax

Last verified: 2026-02-15