St. Tammany Parish property record for 417 Kostmayer Ave, Slidell, LA 70458 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Year Built | Built 1965 |
| Square Footage | 840 sqft Living Area |
| Last Sale | $3,011,391 (2025) |
| Tax Bill | $1,218.00 (2025) |
| Primary APN | 124-048-4512 |
|---|---|
| Alternative APN |
|
| Building Area | 840 sqft Living Area |
|---|
| Year Built | Built 1965 |
|---|
| Old Parcel Number | 124-048-4512 |
|---|---|
| Street Address | 417 KOSTMAYER AVE |
| City | SLIDELL |
| State | LA |
| Zip | 70458-4635 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SALMEN ADDITION 2 LT6 SQD |
| Legal Subdivision | SALMEN ADDITION 1 2 3 |
| Legal Lot Number | 6 |
| Jurisdiction | SAINT TAMMANY LA |
| Minor Civil Division | 12 |
| Census Blockgroup | 2 |
| Census Block | 2007 |
| Census Tract | 41104 |
Source: St. Tammany Parish records · APN 124-048-4512
Assessment roll updated October 15, 2025 · Last verified February 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3002 S PALM DR, SLIDELL, LA 70458-4246 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 22, 2025 · Amount on Record |
| Deed Sale | Apr 22, 2025 · Amount on Record |
| Deed Doc Number | 2446554 |
| Record Refreshed | Jun 08, 2026 |
Source: St. Tammany Parish records · Assessment roll updated October 15, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Louisiana |
| County | St. Tammany Parish |
| Municipality | Slidell City |
| Unified School District | St. Tammany Parish School District (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,218.00 (-6.09%) | $8,153 (-) Land $1,850 Building $6,303 | $81,528 (-) Land $18,500 Building $63,028 |
| 2024 | $1,297.00 (+57.79%) | $8,153 (+73.17%) Land $1,850 Building $6,303 | $81,528 (+73.17%) Land $18,500 Building $63,028 |
| 2023 | $822.00 | $4,708 (-) Land $500 Building $4,208 | $47,080 (-) Land $5,000 Building $42,080 |
| 2022 | $822.00 | $4,708 Land $500 Building $4,208 | $47,080 Land $5,000 Building $42,080 |
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