Sun, St. Tammany County, Louisiana Property Taxes

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Property Taxes in Sun, Louisiana

Median SUN, Louisiana effective property tax rate: 0.89%, significantly lower than the national median of 1.02%, and lower than the Louisiana state median of 0.92%.
Median SUN, Louisiana home value: $73,216
Median annual SUN, Louisiana tax bill: $784, $1,616 lower than the national median property tax bill of $2,400.

How are property taxes in St. Tammany calculated?

Property taxes in SUN, Louisiana are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding SUN's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in SUN, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Sun, St. Tammany County, Louisiana Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.89%

Estimate Property Tax Bill

$652

$605

How Does the SUN Property Tax Calculator Work?

Use this SUN property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies SUN's median effective tax rate of 0.89% — based on actual property records in St. Tammany County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies SUN's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within SUN: rates range from local differences in school district levies and assessment districts, which can affect your final tax bill even when market values are similar.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across SUN.

About Sun Property Taxes

About Property Taxes in Sun, St. Tammany, Louisiana

Sun's median effective property tax rate of 0.89% is lower than the Louisiana state median of 0.92% and lower than the national median of 1.02%. This rate reflects the St. Tammany County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Sun. Homeowners in the highest ZIP code carry a median effective rate of 0.89%, while those in the lowest pay 0.89%. This spread reflects how school district boundaries and local assessment districts are drawn across St. Tammany County. Understanding which part of Sun you live in can make a meaningful difference to your annual tax bill.

Sun homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before August 15, 2026.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Sun, St. Tammany County, Louisiana

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Sun's effective property tax rate to other cities in Louisiana and the median property tax rates in Louisiana and the U.S.

Property Tax Rates Across Sun, St. Tammany County, Louisiana

Source: Ownwell

0.82%

0.92%

1.02%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Sun Tax Rate

0.89%

Median Effective St. Tammany County Tax Rate

0.96%

Median Effective Louisiana Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Sun, St. Tammany County, Louisiana

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
70463	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Sun, St. Tammany County, Louisiana

When examining property taxes in Sun, Louisiana, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The St. Tammany County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In St. Tammany County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

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. By understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities and the valuation process affecting property taxes in Sun.

For example, the median home price in Sun is $73,216, with tax bills ranging significantly across the county. has the highest median home price at $73,216.

Property Tax Assessment Values Across Sun, St. Tammany County, Louisiana

Source: Ownwell

$89,135

$192,004

$294,872

Median Sun Market Value

$73,216

Median St. Tammany County Market Value

$209,340

Median Louisiana Market Value

$118,642

Median United States Market Value

$235,294

Property Tax Assessment Values Across Sun, St. Tammany County, Louisiana

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
70463	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Sun, St. Tammany County, Louisiana

How are property tax bills calculated in Sun?

Property tax bills in Sun are based on the assessed value of a home, which is then multiplied by the local tax rate set by taxing authorities in St. Tammany. The assessed value is influenced by the market value of the property, along with local assessment practices and any exemptions a homeowner may qualify for. When the assessed value rises, the tax bill can increase as well, even if the homeowner has not made any changes to the property.

What factors affect the amount homeowners pay?

Homeowners in Sun can see very different tax bills depending on where they live and how their property is assessed. The median home price is $73,216, and tax bills vary widely, with the 25th percentile at $204, the 75th percentile at $1,704, and the 90th percentile at $1,966. Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, many homeowners in Sun pay less, but rising assessments can still make property taxes a significant annual expense.

Property Tax Bills Across Sun, St. Tammany County, Louisiana

Source: Ownwell

$810

$1,867

$2,923

Median Sun Tax Bill

$784

Median St. Tammany County Tax Bill

$2,058

Median Louisiana Tax Bill

$995

Median United States Tax Bill

$2,400

Property Tax Bills Across Sun, St. Tammany County, Louisiana

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
70463	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	September 15

Links
St. Tammany Tax Assessor
Website	arist.stassessor.org

Frequently Asked Property Tax Questions in Sun, Louisiana

How are property taxes calculated in Sun, Louisiana?

Property taxes in Sun, Louisiana are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Sun, Louisiana?

To appeal your property taxes in Sun, Louisiana, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Sun, Louisiana?

Common property tax exemptions in Sun, Louisiana include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Sun, Louisiana?

Property tax deadlines in Sun, Louisiana vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Sun, Louisiana?

Ownwell provides professional property tax appeal services in Sun, Louisiana. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.