St. Tammany Parish Closing Costs & Property Taxes
Real rates and fees for real estate transactions in St. Tammany Parish, Louisiana
St. Tammany Parish has a total default millage rate of 125.61 mills, which determines annual property taxes for homeowners and investors. For a home at the local median price of $310,000, this means significant cost differences compared to neighboring parishes like Washington, Tangipahoa, Orleans. Below you'll find a complete millage breakdown by taxing body, example closing cost and property tax calculations, and tools to compareSt. Tammany Parish against any other parish in Louisiana.
Compare All 64 Parishes
Side-by-side tax comparison tool
Millage Rate Explorer
Breakdown by taxing body for every parish
Millage Rates
St. Tammany Parish has 13 tax districts with different millage rates. Select the appropriate area for the most accurate estimate.
Covington (City) — Tax Dist. 6
| Taxing Body | Mills |
|---|---|
| Parish-Wide | 85.76 |
| City of Covington | 19.49 |
| Total Millage | 105.25 |
District 6 — Ward 3. City millage (19.49) not subject to homestead exemption. Official 2025 total: 105.25 mills.
Mandeville (City) — Tax Dist. 14
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 3 | 118.51 |
| City of Mandeville | 8.21 |
| Total Millage | 126.72 |
District 14 — Ward 4. City millage (8.21) not subject to homestead exemption. Official 2025 total: 126.72 mills.
Slidell (City) — Tax Dist. 23/24
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 9 | 124.16 |
| City of Slidell | 20.48 |
| Total Millage | 144.64 |
Districts 23 & 24 — Wards 8 & 9. City millage (20.48) not subject to homestead exemption. Official 2025 total: 144.64 mills.
Abita Springs (Town) — Tax Dist. 15
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 1 | 126.67 |
| Town of Abita Springs | 14.49 |
| Total Millage | 141.16 |
District 15 — Ward 10. Town millage (14.49) not subject to homestead exemption. Official 2025 total: 141.16 mills. FD1 is one of the higher fire districts in the parish.
Madisonville (Town) — Tax Dist. 1
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District | 115.24 |
| Town of Madisonville | 8.30 |
| Total Millage | 123.54 |
District 1 — Ward 1. Town millage (8.30) not subject to homestead exemption. Official 2025 total: 123.54 mills.
Pearl River (Town) — Tax Dist. 22
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 8 | 132.75 |
| Town of Pearl River | 5.35 |
| Total Millage | 138.10 |
District 22 — Ward 8. Town millage (5.35) not subject to homestead exemption. Official 2025 total: 138.10 mills.
Unincorporated — Ward 8/9 Rural (Tax Dist. 25-28)
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire Districts | 125.61 |
| Total Millage | 125.61 |
Districts 25-28, 31, 36-37 — Wards 8 & 9. Unincorporated areas outside Slidell city limits. Official 2025 total: 125.61 mills.
Unincorporated — Fire District 1 (Ward 10)
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 1 | 128.12 |
| Total Millage | 128.12 |
District 16 — Ward 10. Unincorporated areas in Fire District 1. Official 2025 total: 128.12 mills.
Unincorporated — Fire District 3 / Ward 3 Rural
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 3 | 112.21 |
| Total Millage | 112.21 |
District 7 — Ward 3. Unincorporated areas outside Covington city limits. Official 2025 total: 112.21 mills.
Unincorporated — Fire District 4 / Ward 4 Rural (Mandeville area)
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 4 | 119.96 |
| Total Millage | 119.96 |
Districts 8 & 12 — Ward 4. Unincorporated areas near Mandeville. Official 2025 total: 119.96 mills.
Unincorporated — Fire District 5 / Sun-Bush Area (Ward 5)
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 5 | 126.21 |
| Total Millage | 126.21 |
Districts 13, 19, 20 — Ward 5. Official 2025 total: 126.21 mills.
Unincorporated — Fire District 7 / Ward 7 (Lacombe area)
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 7 + Recreation | 137.41 |
| Total Millage | 137.41 |
District 21 — Ward 7. Lacombe area. Includes Recreation District 4. Official 2025 total: 137.41 mills.
Unincorporated — Fire District 6 / Ward 6 Rural
| Taxing Body | Mills |
|---|---|
| Parish-Wide + Fire District 6 | 111.78 |
| Total Millage | 111.78 |
District 18 — Ward 6. Official 2025 total: 111.78 mills.
Source: STPAO-2025-Millage-Pamphlet-Final-2 (stpao.org, May 2026) · Last updated: 2026-08-03
Example Closing Costs
Estimated buyer closing costs for a $310,000 home in St. Tammany Parish with 20% down payment and conventional financing.
Buyer Closing Costs
$3,486
1.1% of purchase price
Seller Closing Costs
$800
0.3% of purchase price
View itemized breakdown
Title Fees
Other Fees
Government Fees
Example Property Tax
Estimated annual property tax for a $310,000 home with the $75,000 homestead exemption applied.
Annual Property Tax
$2,952
$246/month
Effective Tax Rate
0.95%
125.61 mills on $23,500 taxable value
Based on approximate median sale prices (Louisiana Realtors Association, 2025 estimates). Your actual costs will vary. Use our calculators for a personalized estimate.
Parish Resources
How St. Tammany Parish Compares
| Parish | Millage | Annual Tax* | Buyer Closing* |
|---|---|---|---|
| Tangipahoa | 100.00 | $1,250 | $2,815 |
| Washington | 111.70 | $670 | $2,419 |
| St. Tammany | 125.61 | $2,952 | $3,486 |
| Orleans | 131.99 | $2,640 | $3,273 |
| St. Bernard | 141.10 | $1,693 | $2,785 |
* Based on each parish's approximate median sale price with homestead exemption and 20% down payment. Actual costs vary.
Frequently Asked Questions
What is the property tax rate in St. Tammany Parish?
How much are closing costs in St. Tammany Parish?
Does St. Tammany Parish have special assessments?
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