$ PlainPropertyTax
2026 data Free guide Mississippi

Mississippi Property Tax Appeal Guide

How to challenge your property tax assessment in Mississippi - deadlines, process, and a savings calculator.

September
Typical Deadline
$0
Filing Fee
County Board of Supervisors
Appeal Body

What This Data Tells Us About Appeals in Mississippi

  • Administrative filing in Mississippi is listed at $0, so the first barrier is evidence and timing, not a petition fee.
  • This ACS extract does not store how often Mississippi assessments are reduced on appeal; comparable sales and property-record errors are the evidence the named board typically asks for.
  • The typical window centers on September; confirm the current county notice date before relying on the statewide summary. Compare Utah's September window before assuming Mississippi is early or late.

Primary signal

The administrative filing is usually free

File with the County Board of Supervisors. The reported filing-fee structure is $0; later court or tribunal stages may use a different schedule.

Decision signal 2

Mississippi's process has its own procedural details

Mississippi assesses residential property at 10% of true value. The short 10-day window after roll approval makes prompt action essential.

Decision signal 3

The filing window centers on September

Within 10 days of the Board of Supervisors' approval of the assessment roll (typically August–September). Deadlines can vary by county and assessment cycle, so confirm the current date with the local assessor before relying on this guide.

Decision signal 4

This extract does not store an appeal-win rate

The ACS county medians on this site do not include how often Mississippi assessments are reduced on appeal. Recent comparable sales and documented property-record errors are the evidence boards typically ask for.

How to read this guide and disclaimer

Use the ranked signals above as a preparation order, not as a forecast. Start with the filing window and named appeal body because a strong valuation argument cannot cure a missed deadline or a filing sent to the wrong office. Then compare the assessment with recent, genuinely similar properties and document factual errors such as incorrect square footage, condition, or classification.

An estimated success rate is not part of this ACS extract. Keep copies of the assessment notice, evidence, forms, delivery confirmation, and every response from the taxing authority. If a state rule and a county instruction differ, follow the current instruction issued by the office that will hear the appeal.

This guide is for informational purposes only and is not legal or tax advice. Deadlines, filing fees, and procedures vary by county within Mississippi and can change year to year. Always verify the current rules with your local assessor's office, or a licensed attorney or tax professional, before filing. Source: Mississippi State Tax Commission.

Appeal calendars beside Mississippi

Other state boards, not geography. Use them to see whether Mississippi's September window is unusual; start with Utah and California.

Peer state Typical month Filing fee
Utah
Also open Utah appeal steps
September $0
California
Also open California appeal steps
September $0–$30 (varies by county)
Florida
Also open Florida appeal steps
September $15 per petition
New Hampshire
Also open New Hampshire appeal steps
September $65 (BTLA application)
Alabama
Also open Alabama appeal steps
October $0

Appeal Deadline

Within 10 days of the Board of Supervisors' approval of the assessment roll (typically August–September)

Appeal Body: County Board of Supervisors

Step-by-Step Appeal Process

  1. 1

    Review your assessment from the county tax assessor

  2. 2

    Contact the assessor informally first

  3. 3

    File a written appeal with the County Board of Supervisors within 10 days of roll approval

  4. 4

    Attend the Board hearing

  5. 5

    If denied, appeal to the State Tax Commission or Chancery Court

Mississippi-Specific Notes

Mississippi assesses residential property at 10% of true value. The short 10-day window after roll approval makes prompt action essential.

Source: Mississippi State Tax Commission

Estimate appeal savings

After you have Mississippi's deadline (September) and filing route (County Board of Supervisors), project annual savings if an assessment cut sticks. The shared estimator lives on one tools URL so each state page keeps its own process facts instead of reprinting the same form.

Open appeal savings estimator →

Frequently Asked Questions

Is there a filing fee to appeal property taxes in Mississippi?
The reported administrative filing is $0 with the County Board of Supervisors. Later court or tribunal stages can still carry separate fees - verify with the office that will hear the appeal. Fee shape on Florida is $15 per petition.
How do I appeal my property tax in Mississippi?
File with the County Board of Supervisors. Within 10 days of the Board of Supervisors' approval of the assessment roll (typically August–September). Start by requesting an informal review with your assessor, then follow the formal process outlined above if the issue is not resolved. Filing bodies differ on Utah and California even when the statutes look similar.
What is the Mississippi property tax appeal deadline?
Within 10 days of the Board of Supervisors' approval of the assessment roll (typically August–September). The typical deadline month is September. Always confirm the exact date with your local assessor's office, as deadlines can change year to year. Utah typically centers on September; California on September.
Does this page publish a success rate for property tax appeals in Mississippi?
No. The ACS extract on this site does not store how often Mississippi assessments are reduced on appeal. Comparable sales and property-record errors are the evidence the County Board of Supervisors typically asks for. Filing calendars also differ on Utah and California.

Source: U.S. Census Bureau, Government Finances State and local property tax revenue by jurisdiction · 2025