Morgan City, St. Mary County, Louisiana Property Taxes
Property Taxes in Morgan City, Louisiana
Median Morgan City, Louisiana effective property tax rate: 0.96%, significantly lower than the national median of 1.02%, and higher than the Louisiana state median of 0.92%.
Median Morgan City, Louisiana home value: $68,480
Median annual Morgan City, Louisiana tax bill: $695, lower than the national median property tax bill of $2,400.
How are property taxes in St. Mary calculated?
Property taxes in Morgan City, 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 Morgan City's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Morgan City, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Morgan City, St. Mary County, Louisiana Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.96%
Estimate Property Tax Bill
$657
$610
How Does the Morgan City Property Tax Calculator Work?
Use this Morgan City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Morgan City's median effective tax rate of 0.96% — based on actual property records in St. Mary 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 Morgan City'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 Morgan City: rates range from 0.96% in 70380 to 0.96% in 70380, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Morgan City.
About Morgan City Property Taxes
About Property Taxes in Morgan City, St. Mary, Louisiana
Morgan City’s median effective property tax rate of 0.96% is lower than the Louisiana state median of 0.92% and lower than the national median of 1.02%. This rate reflects the St. Mary 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 Morgan City. Homeowners in the 70380 ZIP code carry a median effective rate of 0.96%, while those in the same ZIP code also pay 0.96%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across St. Mary County. Understanding which part of Morgan City you live in can make a meaningful difference to your annual tax bill.
Morgan City 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 Morgan City, St. Mary 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 Morgan City’s effective property tax rate to other cities in Louisiana and the median property tax rates in Louisiana and the U.S.
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 Morgan City Tax Rate
0.96%
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
1.08%
Median Effective Louisiana Tax Rate
0.92%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Morgan City, St. Mary County, Louisiana
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 70380 | 0.96% | 0.96% | 0.96% | 1.00% | 1.23% |
Source: Ownwell
Property Tax Assessment Values Across Morgan City, St. Mary County, Louisiana
When examining property taxes in Morgan City, 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. Mary 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. Mary 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 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 Morgan City.
For example, the median home price in Morgan City is $68,480, with tax bills ranging significantly across the county. 70380 has the highest median home price at $68,480.00.
Property Tax Assessment Values Across Morgan City, St. Mary County, Louisiana
Source: Ownwell
$10,640
$49,285
$87,930
Median Morgan City Market Value
$68,480
Median St. Mary County Market Value
$64,590
Median Louisiana Market Value
$118,642
Median United States Market Value
$235,294
Property Tax Assessment Values Across Morgan City, St. Mary County, Louisiana
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 70380 | $9,240 | $31,595 | $68,480 | $120,890 | $172,266 |
Source: Ownwell
Property Tax Bills Across Morgan City, St. Mary County, Louisiana
Property tax bills in Morgan City are based on the assessed value of a home and the local tax rate set for St. Mary. The assessed value is tied to the market value of the property, so homes with higher market values generally face higher tax bills. For homeowners in Morgan City, the median home price is $68,480, which helps explain why bills can vary from one property to another.
The typical property tax bill in the area is $695.00, and that figure is the same in the highest and lowest median-tax-bill ZIP code, 70380. By comparison, the national median property tax bill is $2,400, so many homeowners in Morgan City pay less than the national median. Still, taxes can be a meaningful part of housing costs, especially for owners with higher assessed values. Understanding how the bill is calculated helps homeowners see why their taxes change and what factors influence what they owe each year.
Median Morgan City Tax Bill
$695
Median St. Mary County Tax Bill
$697
Median Louisiana Tax Bill
$995
Median United States Tax Bill
$2,400
Property Tax Bills Across Morgan City, St. Mary County, Louisiana
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 70380 | $95 | $316 | $695 | $1,233 | $1,796 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | September 15 |
Links | |
|---|---|
| St. Mary Tax Assessor | |
| Website | smpassessor.net |