Homeowners in St. Mary Parish, Louisiana paid a median $545 a year in property tax on a median home worth $138,900, an effective rate of about 0.39% (Census 2020–2024).
0.55%Louisiana statewide · US 0.94%
How St. Mary Parish compares
Effective rate (median tax ÷ median value)
Median tax paid per year
Tax on a home here
At the local 0.39% effective rate
| Home value | Estimated yearly tax | Per month |
|---|---|---|
| $150,000 | $589 | $49 |
| $250,000 | $981 | $82 |
| $350,000 | $1,373 | $114 |
| $500,000 | $1,962 | $163 |
Cities and towns in St. Mary Parish
| Place | Median tax | Median value | Rate |
|---|---|---|---|
| Baldwin | $199 | $129,400 | 0.15% |
Buying a home in St. Mary Parish? 2026 loan limits
Related
- Louisiana property tax by countyall counties ranked
- Sabine Parish, LA0.39% effective
- Tangipahoa Parish, LA0.41% effective
- Concordia Parish, LA0.37% effective
- Assumption Parish, LA0.37% effective
- Red River Parish, LA0.42% effective
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. Mary Parish, Louisiana?
Homeowners in St. Mary Parish, Louisiana paid a median $545 a year in property tax on a median home worth $138,900, an effective rate of about 0.39% (Census 2020–2024).
How much is property tax on a $300,000 home in St. Mary Parish?
About $1,177 a year ($98 a month) at the 0.39% median effective rate. Your bill depends on assessed value and exemptions.
Is St. Mary Parish property tax high?
It ranks #28 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. Mary Parish?
Bills are issued and collected by the St. Mary Parish treasurer or tax collector, based on values set by the county assessor.