Frequently Asked Questions

The St. Tammany Parish Sheriff’s Office is the Tax Collector and mails out the tax bills.  They can answer questions about property tax bills, payments, receipts, tax sales, redemptions, alimony, and more. Please go to their website at

Learn how to use our GIS Parcel Viewer and more. Check out our informative Video Library here.

How do I check my assessment?

  1. Go to the “Check Your Assessment” page on our website
  2. Click to “Agree To Terms”
  3. Then choose either “GIS Parcel Viewer” or “Assessment Text Search”.
  4. Clicking on GIS Parcel Viewer brings you to our new GIS mapping feature.  Not all parcels are available yet on GIS. There are currently approximately 70,000 parcels available for viewing on the site, with more being added regularly.  Helpful search tips may be found by clicking the blue help button on the GIS page. Clicking Assessment Text Search brings you to our traditional assessment search feature.
  5. Click the drop down arrow on the right to choose how you search. You may search by owner name, address, assessment number, mailing address, care of or property description.  When searching, it may be necessary sometimes for you to alter search by using different words i.e., street – or St., Highway or Hwy.  Try an alternative if you are at first not successful.You can also search for different years by using the drop down bar next to “Year”.
  6. Once you have located your assessment, you can view the tax detail by scrolling all the way to the bottom and clicking “Show Tax Detail”. This will provide you with your millages and dollar amounts of exactly where your tax dollars are going.

How can I find out if my taxes have been paid?

Please check with the Tax Collector by clicking HERE.

If you have a question about your tax bill, tax forms or the redemption of property?

Those questions can be answered by the Tax Collector’s Office, click HERE.

How are property taxes created?

Your personal property tax all depends on the taxing district you are in, as well as other aspects like Fair Market Value.

For more answers to your questions regarding taxes and the Assessor’s office, please read the FAQs below.

  • How is my assessment determined?
  • How is property assessed?
  • What does the Assessor do?
  • What if I disagree with the Assessor’s value of my property?

How is my assessment determined?

To arrive at “Fair Market Value” for your property, the Assessor must know what “willing sellers” and “willing buyers” are doing in the marketplace. He must also keep current on cost of construction in the area and any changes in zoning, financing, and economic conditions which may affect property values. The Assessor uses the three nationally recognized appraisal approaches to value, those being cost, income, and market. This data is then correlated into a final value estimate by the Appraiser. After your appraisal has been made, the appropriate percentage of value required by law is calculated as your “Assessed Value.”

How is property assessed?

LAND – 10% of “Fair Market Value”
RESIDENTIAL IMPROVEMENTS – 10% of “fair market value”
COMMERCIAL PROPERTY – (Including personal property) – 15% of “Fair Market Value” (NOTE: Commercial land is assessed at 10% of “Fair Market Value”.)

The St. Tammany Parish Assessor’s Office must appraise and assess approximately 102,000 parcels of property. All public service properties are assessed by the Louisiana Tax Commission.
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What does the Assessor do?

The Assessor is required by the Louisiana Constitution to list, value and enumerate all property subject to ad valorem taxation on an Assessment Roll each year. The “ad valorem” basis for taxation means that all property should be taxed “according to value” which is the definition of ad valorem. The Assessed Value is a percentage of “Fair Market Value” or “Use Value” as prescribed by law.

What if I disagree with the Assessor’s value of my property?

As a property owner, you have a right to appeal your assessment. To appeal your assessment you must contact your Assessor’s Office. It would be helpful to provide information such as a recent appraisal, an opinion of value from a Licensed Realtor or any information documenting adverse conditions that may directly affect the value of your property. If, after discussing the matter with the Assessor, a difference of opinion still exists, you may appeal your assessment to the St. Tammany Board of Review. If the Board, after hearing your petition, agrees with the Assessor, you may appeal this decision to the Louisiana State Tax Commission. If the Commission agrees with the Board and the Assessor, you can then plead your case before the courts should you choose to do so.

Do I qualify for a senior freeze?

To qualify for a Senior Citizen’s Special Assessment or “Senior Freeze” you must be 65 years of age or older and meet the income requirement set forth by the Louisiana legislature.  The income requirement changes annually – please call the Assessor’s Office to inquire.  A Senior Freeze is permanent as long as the senior citizen continues to own and occupy the home and as long as the value of the property does not increase more than 25% because of construction or reconstruction.

Do I qualify for a Disability Freeze?

To qualify for the Disability-Related Special Assessment or “Disability Freeze” you must meet the income requirement as set forth by the Louisiana legislature. This income requirement changes annually. You may call the Assessor’s office for the most up to date income requirement. Please note that once you qualify for and receive the special assessment level homestead exemption for disability you must reapply each year. In addition to the income requirement, you must also meet ONE of the requirements listed below:

  1. A homeowner who occupies their home and who has a service-connected disability rating of fifty percent or more by the United States Department of Veterans Affairs.
  2. The surviving spouse of a member of the armed forces of the United States or the Louisiana National Guard who owned and last occupied such property who was killed in action, or who is missing in action or is a prisoner of war for a period exceeding ninety days.
  3. A homeowner who occupies their home and is permanently totally disabled as determined by a final non-appealable judgement of a court or as certified by a state or federal administrative agency charged with the responsibility for making determinations regarding disabilities.

What are the grounds for an appeal?

If you believe the estimated value of your property is incorrect, you will want to know:

  • How the assessor values property
  • How to gather information about your property and similar properties
  • How the appeals process works and what the deadlines are

You also have a responsibility to furnish accurate information about your property to the assessor.

An assessment appeal is not a complaint about higher taxes. It is an attempt to prove that your property’s estimated market value is either inaccurate or unfair.

You may appeal when you can prove at least one of three things:

  • Items that affect value are incorrect on your property record. You have one bath, not two. You have a carport, not a garage. Your home has 1,600 square feet, not 2,000 square feet.
  • The estimated market  value is too high. You have evidence that similar properties have sold for less than the estimated market value of your property.
  • The estimated market value of your property is accurate but inequitable because it is higher than the estimated value of similar properties.

Note: You will not win an appeal because you think your taxes are too high. This is an issue you must take up with the officials who determine budgets and set your millage rates .

However, you may be eligible for tax relief or exemptions. The assessor’s office can give you information about exemptions.

What is the role of taxing authorities?

Taxing authorities decide the amount of the property tax that is owed each year, including whether the overall property tax rises, falls, or stays the same. Subject to state and local limitations, the taxing authority can determine property taxes either by adjusting the total dollars requested or by adjusting (or not adjusting) the tax rate. The amounts set by the taxing authority in combination with your assessed value determine how much you pay in taxes.

For example, suppose taxing authorities decide to raise $1 million in property taxes and the assessor estimates the total assessed value of all taxable property in your community at $100 million.

Then the property tax rate would be calculated by dividing the amount of tax to be raised by the total assessed value:

$1 million/$100 million = 1 percent.

If your home’s assessed value is $100,000, your property tax bill will be:

1 percent x $100,000 = $1,000.

For another example, suppose the total assessed value of your community doubles from $100 million to $200 million and the amount to be raised stays the same. The tax rate will be:

$1 million/$200 million = 0.5 percent.

Your taxes, even though your home has doubled in value, will be the same:

0.5 percent x $200,000 = $1,000.

Sometimes, property owners are lucky enough to experience growth in the value of their properties while others remain the same or even fall. In these instances, property owners may experience higher taxes even if all other factors stay the same. For example, suppose your home doubles in value from $100,000 to $200,000 but the amount requested by the taxing authority remains at the same at $1 million and the overall assessed value of your community remains the same at $100 million. Then the tax rate will be:

$1 million/$100 million = 1 percent.

However, your taxes will increase from:

1 percent x $100,000 = $1,000


1 percent x $200,000 = $2,000.

Property taxes can also increase when your community’s assessed value increases and the taxing authority chooses to keep the tax rate the same.

For example, if the taxing authority decides to keep the tax rate at 1 percent even though it could have raised the same amount of overall taxes at 0.5 percent, then your taxes will be:

1 percent x $200,000 = $2,000.

The taxing authorities are demanding more money, even though they have not changed the rate.

Below are some helpful FAQ’s from the St. Tammany Parish Sheriff’s Office (the Tax Collector).
Please contact them at (985) 809- 8217 with any questions about the payment of a tax bill.
How long do I have to pay my bill?
Payments are considered timely through December 31. If this date falls on a weekend, payments are considered timely if received by the next business day STPSO offices open. Interest accrues at 1% per month following this date and other fees apply as delinquency continues.

How do I appeal to the Louisiana Tax Commission?

In order to appeal to the Louisiana Tax Commission, a taxpayer must start at the parish assessor’s office. During a period of 15 days between August 1st and September 15th, the assessment lists of each parish are open for public inspection. During this period, taxpayers should check the values on their property. If there is a disagreement and the taxpayer wishes to protest the value, the taxpayer must at that time fill out a form “Notice of Appeal Request For Board of Review” (Form 3101) and schedule an appearance before the parish Board of Review for hearing(s) held for this purpose.
The Board of Review office in your parish will determine if any changes should be made to the assessment values in question. If either the assessor or the taxpayer is not satisfied with the determination of the Board of Review, either may obtain from the Board, an Appeal Form (Form 3103.A) for further review by the Louisiana Tax Commission. The Louisiana Tax Commission will consider any and all appeals timely filed in hearings that are open to the public.
Those considering appeals are encouraged to consult the assessor, parish board of review and the Louisiana Tax Commission for specific procedures, dates, times, and places of all hearings.

When Should I Discuss My Assessment with the Assessor’s Office?

Each year during August 1st through September 15th the assessment rolls are open for public inspection and for discussion of the assessment with the assessor’s office. This is the time to discuss your assessment. It also is the time that a taxpayer can legally file a protest to the assessment if a settlement with the assessor cannot be reached. Many taxpayers wait until the tax bills are sent each year to discuss their assessment. The assessor can discuss your assessment at that time but a property owner cannot legally file a protest at that time.

What Causes Property Values To Change?

A property’s value can change for many reasons. The most obvious reason is that physical changes may have been made to the property such as additions, improvements, or major damage. The most frequent cause of change in value is a change in the market. The assessor does not create value. People make value by their transactions in the market place.

When Should I File A Homestead Exemption Application?

In order to qualify for homestead exemption, one must own and occupy the house as his/her primary residence. Regardless of how many houses are owned, no one is entitled to more than one homestead exemption, which is a maximum of $7,500 of assessed value, except in those parishes whereby voters approved that the next $7,500 of the assessed valuation on property receiving the homestead which is owned and occupied by a veteran with a service connected disability rating of 100% by the U.S. Department of Veterans Affairs shall be exempt from ad valorem taxation. If you change primary residence, you must notify the assessor. It is advisable to go in to the assessor’s office and apply for homestead exemption as soon as you purchase and occupy your home.

What Is The Relationship Between Market Value And Assessed Value For Property In Louisiana?

In Louisiana, the classification of property subject to ad valorem taxation and the percentage of fair market value applicable to each classification for the purpose of determining assessed value are as follows:
Classifications Percentage
Land 10%
Improvements for Residential 10%
Improvements for Commercial 15%
Business Movable Property (Personal) 15%
Public Service (Excluding Land) 25%

Bona fide agricultural, horticultural, marsh and timberlands as defined by Revenue Statues shall be assessed for tax purposes at 10% of use value rather than market value. The Louisiana Tax Commission sets these values. 

What Is Meant By Millage Rates Or Mills?

Millage is the percentage of value that is used in calculating taxes. A mill is defined as 1/10 of 1 percent and is multiplied by the assessed value after any exemptions have been subtracted to calculate the taxes. For example: if the tax rate is 150 mills and total assessed value is $10,000 with no exemptions, the taxes would be calculated as $10,000 x .150 = $1,500.00. If for the same house you had a homestead exemption the taxes would be: $10,000 – $7,500(H.E.) = $2,500.00 x .150 = $375.00 in taxes. This demonstrates the importance of filing a homestead exemption.

What Causes Adjustments to Millage Rates?

Changes in millage rates occur under four circumstances:

  1. If the voters approve a millage increase.
  2. If the legislature approves the creation of a special district and grants authority to levy a millage.
  3. If the Board of Liquidation/City Debt adjusts the millage rate needed to collect the amount required to service its general obligation bonds. When new bonds are issued this millage increases and as older bonds mature this millage rate decreases.
  4. Every four years the Assessors must reassess real property. State law provides that the tax collected in the year following a reassessment is adjusted so that it is equal to the tax collected the previous year on the same property tax base. The amount of millage is then adjusted up or down to satisfy this requirement. If the millage is lowered because of an increase in property values, it may be “rolled up” to the prior year’s millage after a public hearing and approval by a 2/3 vote of the taxing authority. The Assessors must reassess personal property every year and the Louisiana Tax Commission reappraises public service property every year.

What is Personal Property?

A. Personal Property or movable property, includes all things other than real estate which have any pecuniary value, all moneys, credits, investments in bonds, stocks, franchises, shares in joint stock companies or otherwise (R.S. 47:1702 and R.S. 47:2322).

B. Personal property will mean tangible property that is capable of being moved or removed from real property without substantial damage to the property itself or the real property from which it is capable of being removed. Personal property will include, but not be limited to, inventory, furniture, fixtures, machinery and equipment, and all process and manufacturing machinery and equipment, including the foundation therefore (R.S. 47:2322).

Who must report Business Personal Property?

Every person, association, company or corporation who will own or hold, subject to his or her control, any tangible or intangible business personal property is required to report said property for assessment every year.

What determines when a new home or new building or addition comes on to the tax roll?

The building must be substantially complete as of January 1 to be on that year’s tax bill. The best undisputable proof of that fact is the issuance of the certificate of occupancy by the parish or a municipality. The home may be substantially complete earlier but never later. If the home is under construction for an extended period or there are multiple permits, we reserve the right to put it on as percentage of completion.

What is GIS?

A geographic information system (or GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data. Our use of GIS mapping is intended to help our team, government agencies and St. Tammany citizens to have easy access to parcel information and tax assessments.

To view our GIS progress so far, please go to our GIS Parcel Viewer.

What does CLA mean behind the Assessor’s name?

CLA is an abbreviation for Certified Louisiana Assessor.

What is the 2019 adjusted gross income requirement to be eligible for special assessments?


What is an Ad Valorem Tax Exemption? How does a business receive a Tax Abatement?

Louisiana law provides incentives for businesses that provide a savings in ad valorem property taxes. For more information about ad valorem tax exemptions and abatements, including eligibility information and performance reports, please visit:

How do I know if a property is receiving an ad valorem property tax exemption or abatement?

Properties in St. Tammany Parish that participate in any Tax Exemption or Tax Abatement programs or assessments with a non-profit status provided by state law are indicated as such on their assessment on our “Check Your Assessment” page at “Per LA state law, this assessment is Tax Exempt”.

*Additionally, any notation of “taxes due” is NOT an actual dollar amount of taxes payable, but an ESTIMATE of what taxes would be payable if the property was not tax exempt under state law.

What are some examples of different kinds of Tax Abatements and Exemptions on property here in St. Tammany Parish?

The Louisiana Industrial Ad Valorem Tax Exemption Program (ITEP)
The Louisiana Industrial Ad Valorem Tax Exemption Program is a state incentive program which offers a tax incentive for manufacturers within the state. With local approval, new manufacturing operations and expansions are eligible for the program that provides up to a 100% property tax abatement for an initial term of up to five years on buildings, equipment and machinery. Local endorsements are required from the parish school board, council and sheriff to be eligible.
*Option to renew for up to three additional years at up to 80% property tax abatement on a manufacturer’s qualifying capital investment.
Click here to view statute:

Restoration Tax Abatement (RTA) –
The Restoration Tax Abatement Program (RTA) is an incentive created for municipalities and local governments to encourage the expansion, restoration, improvement and development of existing structures in downtown development districts, economic development districts and historic districts. The RTA program provides an up to ten-year abatement of ad valorem property taxes on the renovations and improvements of existing commercial structures and owner-occupied residences. The abatement of ad valorem property taxes is on the increased value of the property from the restoration, improvement, development or expansion of an existing structure.
*Option to renew for an additional five years with local governing authority approval.
Click here to for statute:

Here are some helpful FAQ’s from the Louisiana Tax Commission. More info is available on their website at: