Tangipahoa Parish Property Tax: Exemptions, Payment, and Appeals

Tangipahoa Parish property tax is calculated by multiplying your property’s assessed value by the combined millage rate for your location, with payment due to the Tangipahoa Parish Sheriff’s Office by December 31 each year. The Tangipahoa Parish Assessor sets your valuation and processes exemptions; the Sheriff collects the money. Miss the December deadline and interest starts at 1% per month, with a tax lien sale following in the spring.

How Your Bill Is Calculated

Two numbers drive your bill: the assessed value of your property and the total millage rate where it sits.

Fair market value is what the assessor estimates your property would sell for in an ordinary sale. That figure is then reduced to an assessed value using percentages fixed in the Louisiana Constitution. Residential property, land and improvements together, is assessed at 10% of fair market value. Commercial and other non-residential property is assessed at 15%.¹ A home with a $200,000 market value carries a $20,000 assessed value. A commercial building at the same market value carries $30,000.

Millage is the rate applied to that assessed value. One mill equals one dollar of tax for every $1,000 of assessed value.² Your parcel is not subject to a single rate. The parish council, school board, law enforcement district, fire district, and other taxing bodies each add their own millage, and the total depends on exactly where you are in the parish. Current schedules by district are published on the assessor’s website.

To estimate your tax before any exemption, multiply assessed value by total millage and divide by 1,000. On a home with $20,000 assessed value in an area with a combined 120 mills, that works out to $20,000 × 120 ÷ 1,000, or $2,400.

The Homestead Exemption

If you own your home and live in it as your primary residence, the first $7,500 of assessed value is exempt from most parish property taxes.³ Because residential property is assessed at 10%, that exemption effectively covers the first $75,000 of market value.⁴ A home worth $75,000 or less owes nothing on the parish portion, though municipal taxes and certain special assessments still apply.

The exemption does not reach municipal taxes, apart from narrow school-related municipal levies.⁵ Louisiana allows one homestead exemption per person statewide, so if you own more than one property, only your primary residence qualifies.

Apply in person at the Tangipahoa Parish Assessor’s office. Online filing is not available because the process requires your signature and document verification.⁶ Bring your closing documents from the purchase.⁴ Once approved, the exemption stays in place as long as you own and occupy the home. Tell the assessor if you move.

The 65 Freeze for Older Homeowners

If you are 65 or older, already have a homestead exemption on the property, and your adjusted gross income is under the state cap, you can lock your assessed value at its current level. Future reassessments will not raise it even if neighborhood values climb.⁷

The income cap started at $50,000 in 2001 and rises each year with the Consumer Price Index. The freeze locks the assessed value only, not the millage, so your actual bill can still move if taxing bodies raise rates. It stays in place as long as you (or a surviving spouse at least 55 or caring for minor children) continue to own and occupy the home, provided the property’s value does not jump more than 25% from new construction or renovation. When the property sells, the freeze ends on December 31 of the prior year, and the assessor revalues at current market. Apply in person with proof of age and income.

Paying Your Bill

Tax notices usually go out in late November. The notice breaks down each taxing body’s millage and shows the valuation used. Confirm the homestead exemption is applied if you filed for one, and verify the parcel description. If no bill reaches you by mid-December, look yourself up on the assessor or Sheriff’s online portal; you owe the tax whether the notice arrives or not.

The Tangipahoa Parish Sheriff’s Office collects. Payment is due by December 31.⁸ You have three options:

Online through the Sheriff’s payment portal using a parcel number. Credit cards and electronic checks are accepted, with a convenience fee on card payments. Save the confirmation.
By mail, sending a check or money order with your payment stub to the Sheriff’s Tax Department. Mail early enough to arrive before December 31.
In person at a Sheriff’s Office location during business hours.

What Happens If You Pay Late

Interest begins at 1% per month, non-compounding, the day after the deadline passes.⁸ In February the tax collector sends a certified notice warning that if you do not pay within 20 days, your delinquent tax lien will be advertised for public auction.⁹ After that period, the delinquent list is published in the parish’s official journal and the lien goes to auction.

At the auction, a buyer purchases the right to your unpaid tax debt. You still own the property, and the buyer cannot evict you or collect rent. To clear the lien, you must pay the auction purchaser their full amount plus a 5% penalty and interest of up to 1% per month.⁹ If the debt is never cleared, the lien holder can eventually go to court to enforce it and take the property. A small unpaid balance can grow into losing the house.

Challenging Your Assessment

If you think the assessor set your fair market value too high, you have a short window each year to push back. The assessment rolls open for public inspection for 15 days, generally mid-August through early September. That is your chance to review your valuation and compare it against similar properties.

To formally contest it, file a written complaint with the parish Board of Review. Your complaint must reach the Board at least seven days before the scheduled hearing.¹⁰ Hearings happen on or before September 15. You can appear in person or submit a written complaint by certified mail or fax so long as it arrives in time. Bring comparable sales, a recent appraisal, or any other evidence that your assessed value is off.

If the Board rules against you, you have 30 calendar days from receiving its written decision to appeal to the Louisiana Tax Commission.¹¹ The Commission generally limits its review to evidence you already presented, and you must re-submit all your documents yourself because the Board does not forward the file. Professional appraisals typically run $300 to $700, though many homeowners succeed on comparable sales data alone.

One warning: by the time your bill arrives in late November, the appeal window has been closed for two months. If you want to dispute the valuation, you need to act in August.

If a Mortgage Escrow Pays Your Taxes

Most mortgage lenders collect property taxes through an escrow account built into your monthly payment, then disburse to the Sheriff. Under federal law, if your servicer misses the deadline and a late charge results, the servicer pays that penalty, not you.¹²

Escrow accounts are re-analyzed every year. If millage rates or your assessed value go up, your escrow payment rises to match. Shortages are usually spread over the next 12 monthly payments, though you can pay the shortage in a lump sum to keep the monthly amount down. You remain the party legally responsible for the tax. Each year, verify your servicer actually paid by checking the Sheriff’s online records for your parcel.

Dates to Watch

Mid-August to early September: assessment rolls open for inspection. Your only window to review your valuation and file a Board of Review complaint.
On or before September 15: Board of Review hearings. Written complaint must arrive at least seven days before the hearing.
Late November: tax notices mailed.
December 31: payment deadline. Interest begins at 1% per month after this date.¹³
First Monday of February: tax collector sends certified delinquency notices on unpaid prior-year taxes.⁹

1
Louisiana State Legislature. Louisiana Constitution Article VII Section 18 – Ad Valorem Taxes
2
Tangi Assessor. Tax Calculations
3
Louisiana State Legislature. Louisiana Revised Statutes 47:1703 – Exemptions
4
Tangi Assessor. Homestead Exemption
5
Legal Information Institute. Louisiana Administrative Code tit. 61 V-101 – Constitutional Principles for Property Taxation
6
Tangipahoa Parish Assessor. Tangipahoa Parish Assessor Frequently Asked Questions
7
Justia Law. Louisiana Constitution Article VII Revenue and Finance
8
Tangipahoa Parish Sheriff’s Office. Pay Taxes and Fees
9
Louisiana State Legislature. Louisiana Revised Statutes 47:2153
10
FindLaw. Louisiana Revised Statutes Tit. 47 1992
11
Legal Information Institute. Louisiana Administrative Code tit. 61 V-3103 – Appeals to the Louisiana Tax Commission
12
Consumer Financial Protection Bureau. Escrow accounts
13
Tangipahoa Parish Assessor. Important Dates