St. Mary County, Louisiana Property Taxes
Median St. Mary County effective property tax rate: 1.12%, significantly higher than the national median of 1.02%.
Median St. Mary County home value: $58,475
Median annual St. Mary County tax bill: $638, $1,762 lower than the national median property tax bill of $2,400.
How are property taxes in St. Mary County calculated?
Property taxes in St. Mary County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Franklin or another part of St. Mary County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
St. Mary County, Louisiana Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.12%
Estimate Property Tax Bill
$655
$608
Ownwell’s St. Mary Parish Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in St. Mary Parish with just two data points.
By entering your property's estimated assessed value, our calculator applies St. Mary Parish’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your parish — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in St. Mary Parish.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across St. Mary County, Louisiana
Local government entities in Louisiana set property tax rates, which can vary widely within the state. Each year, counties like St. Mary estimate their required budget to provide essential services and divide that amount by the total value of all taxable property within their jurisdiction. This calculation results in the property tax rate. While votes and laws play a role in setting tax rates and budgets, this is the core annual process.
In St. Mary County, the effective property tax rate is 1.12%, which is above the national median property tax rate of 1.02%. Within Louisiana, there is significant variation; for example, Jeanerette has the highest median tax rate at 1.37%, while Berwick boasts the lowest at 0.93%. These disparities highlight the importance of understanding local tax assessments and the potential benefits of property tax appeals. By comparing St. Mary County's effective property tax rate to other counties in Louisiana or the U.S. median property tax rate, homeowners can better navigate their property tax obligations and explore potential savings.
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 St. Mary County Tax Rate
1.12%
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 Louisiana Tax Rate
0.91%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across St. Mary County, Louisiana
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Amelia | 0.84% | 0.84% | 1.00% | 1.00% | 1.00% |
| Baldwin | 1.15% | 1.15% | 1.15% | 1.16% | 1.27% |
| Berwick | 0.93% | 0.93% | 0.93% | 0.93% | 0.94% |
| Centerville | N/A | N/A | N/A | N/A | N/A |
| Charenton | 1.27% | 1.27% | 1.27% | 1.27% | 1.27% |
| Cypremort Point | N/A | N/A | N/A | N/A | N/A |
| Franklin | 1.10% | 1.16% | 1.23% | 1.23% | 1.27% |
| Jeanerette | 1.27% | 1.27% | 1.37% | 1.47% | 1.47% |
| Morgan City | 0.95% | 0.95% | 0.95% | 1.00% | 1.23% |
| Patterson | 1.04% | 1.04% | 1.12% | 1.12% | 1.12% |
Source: Ownwell
Property Tax Assessment Values Across St. Mary County, Louisiana
When examining property taxes in St. Mary County, 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. Mary Parish Assessor 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.
In St. Mary County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in St. Mary County. For example, the median tax bill in St. Mary County is $887, with tax bills ranging significantly across the county. Patterson has the highest median home price at $80,280.
Property Tax Assessment Values Across St. Mary County, Louisiana
Source: Ownwell
$10,640
$45,460
$80,280
Median St. Mary County Market Value
$58,475
Median Louisiana Market Value
$105,500
Median United States Market Value
$235,294
Property Tax Assessment Values Across St. Mary County, Louisiana
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Amelia | $4,410 | $6,190 | $10,640 | $25,000 | $42,770 |
| Baldwin | $12,848 | $28,100 | $51,750 | $88,820 | $136,220 |
| Berwick | $10,240 | $32,255 | $75,640 | $166,508 | $312,650 |
| Centerville | N/A | N/A | N/A | N/A | N/A |
| Charenton | $4,000 | $15,540 | $44,790 | $62,250 | $111,050 |
| Cypremort Point | N/A | N/A | N/A | N/A | N/A |
| Franklin | $7,158 | $20,910 | $47,680 | $89,205 | $166,516 |
| Jeanerette | $5,635 | $12,800 | $37,095 | $83,735 | $142,715 |
| Morgan City | $9,000 | $28,800 | $62,815 | $109,150 | $156,651 |
| Patterson | $11,200 | $36,830 | $80,280 | $131,700 | $188,440 |
Source: Ownwell
Property Tax Bills Across St. Mary County, Louisiana
Median St. Mary County Tax Bill
$638
Median Louisiana Tax Bill
$865
Median United States Tax Bill
$2,400
Property Tax Bills Across St. Mary County, Louisiana
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Amelia | $44 | $60 | $100 | $211 | $429 |
| Baldwin | $153 | $333 | $603 | $1,053 | $1,587 |
| Berwick | $101 | $305 | $703 | $1,548 | $2,905 |
| Centerville | N/A | N/A | N/A | N/A | N/A |
| Charenton | $51 | $197 | $568 | $789 | $1,407 |
| Cypremort Point | N/A | N/A | N/A | N/A | N/A |
| Franklin | $84 | $255 | $578 | $1,082 | $1,995 |
| Jeanerette | $77 | $175 | $512 | $1,151 | $1,947 |
| Morgan City | $90 | $285 | $632 | $1,117 | $1,612 |
| Patterson | $125 | $407 | $887 | $1,449 | $2,058 |
Source: Ownwell