St. Tammany Parish, Louisiana property tax

Median property tax, home value and effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Effective property tax rate
0.71%

Homeowners in St. Tammany Parish, Louisiana paid a median $2,028 a year in property tax on a median home worth $284,000, an effective rate of about 0.71% (Census 2020–2024).

Census ACS 2020–2024 5-year medians

#63 lowest of 64Louisiana counties by effective rate

0.55%Louisiana statewide · US 0.94%
Median tax paid
$2,028
per year, 2020–24
Median home value
$284,000
owner-occupied
Effective rate
0.71%
tax ÷ value
Tax vs. income
2.5%
of $81,202 median household income
Owner costs
$1,813/mo
median with a mortgage, incl. tax & insurance

How St. Tammany Parish compares

Effective rate (median tax ÷ median value)

St. Tammany Parish0.71%
Louisiana0.55%
United States0.94%

Median tax paid per year

St. Tammany Parish$2,028
Louisiana$1,180
United States$3,119

Tax on a home here

At the local 0.71% effective rate

Home valueEstimated yearly taxPer month
$150,000$1,071$89
$250,000$1,785$149
$350,000$2,499$208
$500,000$3,570$298

Cities and towns in St. Tammany Parish

PlaceMedian taxMedian valueRate
Slidell$1,563$217,7000.72%
Mandeville$3,108$376,1000.83%
Covington$1,900$295,1000.64%
Lacombe$1,651$207,9000.79%
Abita Springs$1,861$269,3000.69%
Madisonville$3,215$399,6000.80%
Folsom$1,246$226,0000.55%

Buying a home in St. Tammany Parish? 2026 loan limits

Related

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Frequently asked questions

What is the property tax rate in St. Tammany Parish, Louisiana?

Homeowners in St. Tammany Parish, Louisiana paid a median $2,028 a year in property tax on a median home worth $284,000, an effective rate of about 0.71% (Census 2020–2024).

How much is property tax on a $300,000 home in St. Tammany Parish?

About $2,142 a year ($179 a month) at the 0.71% median effective rate. Your bill depends on assessed value and exemptions.

Is St. Tammany Parish property tax high?

It ranks #63 lowest of 64 Louisiana counties. The state median effective rate is 0.55% and the US rate is 0.94%.

Where do I pay property tax in St. Tammany Parish?

Bills are issued and collected by the St. Tammany Parish treasurer or tax collector, based on values set by the county assessor.