Harrison County Property Tax Appeal — Mississippi
Harrison County is the second-most populous county in Mississippi, located on the Gulf of Mexico in southern Mississippi. The county includes major coastal cities and has experienced significant growth in recent years.
Notable cities: Gulfport, Biloxi, Long Beach, Pass Christian, D'Iberville
Median Home
$186,900
Tax Rate
0.62%
Annual Tax
$1,165
Population
204,502
2026 Appeal Deadline: During July while tax rolls are open for public inspection
Appeals must be filed while the rolls are open for public inspection, usually during July. Contact the Board of Supervisors office after the first Monday in July at(228) 865-4001 for specific dates.

How Harrison County Assesses Property
Assessed by: Harrison County Tax Assessor
Assessment cycle: annual
Notices typically mailed: Spring (typically mid-April)
In Harrison County, the assessed value equals 10% of the property's true market value, as determined by the Tax Assessor. This assessed value is then multiplied by the local millage rate to calculate your property tax.
The Appeal Process
Appeals are heard by the Board of Supervisors. The Board will review your appeal and supporting documentation. You'll have an opportunity to present evidence showing your property's estimated market value is inaccurate or unfair compared to similar properties.
Step 1: Request an informal review by calling or visiting the Tax Assessor's office
Step 2: If unsatisfied, file a formal written appeal to the Board of Supervisors during July
Step 3: Attend the Board of Supervisors hearing to present your case
Step 4: If still unsatisfied, appeal to Circuit Court under Mississippi Code 27-35-119
Required form: 2026 Assessment Protest Form (available on county website)
Filing Methods
Evidence to Bring
Harrison County Assessor Contact
Harrison County Tax Assessor
Phone: (228) 865-4043
Address: First Judicial District: 1801 23rd Ave., Gulfport, MS 39501 (P.O. Box 462, Gulfport, MS 39502) | Second Judicial District: 730 Martin Luther King Jr. Blvd., Biloxi, MS 39530
Website: https://harrisoncountyms.gov/goverment/tax_assessor/
Online Portal: https://harrisonms.geopowered.com/propertysearch/
Hours: Monday-Friday 8:00 AM - 5:00 PM
Tax Exemptions in Harrison County
Regular Homestead Exemption
Up to $300 credit on first $7,500 of assessed valueProvides a graduated tax credit up to $300 on primary residence
Additional Homestead Exemption
100% exemption on first $7,500 of assessed valueTotal exemption from ad valorem taxes on first $7,500 of assessed value
Total Exemption (100% DAV)
100% exemption on all property valueComplete exemption on all properties listed on homestead application
Official Resources
Harrison County Tax Assessor Official Website →
Official Harrison County Tax Assessor department page with property assessment information and services.
Mississippi Department of Revenue Property Tax Division →
State-level property tax information, laws, and resources from Mississippi's Department of Revenue.
Harrison County Property Search Portal →
Online property search tool for Harrison County allowing lookup of property records and tax information.
Check Your Harrison County Assessment
Enter your address to see if your Harrison County property is overassessed.
Frequently Asked Questions
What is the deadline to appeal my property taxes in Harrison County?
How do I file a property tax appeal in Harrison County online?
What is the homestead exemption worth in Harrison County?
Can I request an informal review before filing a formal appeal in Harrison County?
What evidence should I bring to my Board of Supervisors hearing in Harrison County?
Where is the Harrison County Tax Assessor's office located?
What happens if I disagree with the Board of Supervisors' decision on my appeal?
For state-wide appeal information including Mississippi's assessment ratio and deadlines, see our Mississippi 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 Mississippi Counties
Sources: https://harrisoncountyms.gov/goverment/tax_assessor/appeals.php | https://harrisoncountyms.gov/goverment/tax_assessor/homestead.php | https://www.ownwell.com/trends/mississippi/harrison-county | https://smartasset.com/taxes/mississippi-property-tax-calculator
Last verified: 2026-02-09