409 Kostmayer Ave, Slidell, LA 70458 Property Records

St. Tammany Parish property record for 409 Kostmayer Ave, Slidell, LA 70458 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Year Built	Built 1990
Square Footage	816 sqft Living Area
Lot Size	12,584 sqft (0.288 acres)
Garage	300 sqft
Last Sale	$75,000 (2020)
Tax Bill	$1,237.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`124-048-5470`
Alternative APN	`86627`

Interior

Building Area	816 sqft Living Area

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Lot Area	12,584 sqft (0.288 acres)
Parking Spaces	1 Parking Spaces
Garage Area	300 sqft Garage

Location & Zoning

Street Address	409 KOSTMAYER AVE
City	SLIDELL
State	LA
Zip	70458-4635
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 5 SQ D SALMEN ADD 2 CB 500 211 INST NO 1353618 INST NO 1380395 INST NO 1645969 INST NO 1652663 INST NO 1681466 INST NO 19
Legal Subdivision	SALMEN ADDITION 1 2 3
Legal Lot Number	5
Jurisdiction	SAINT TAMMANY LA
Minor Civil Division	12
Census Blockgroup	2
Census Block	2007
Census Tract	41104

Owner

Source: St. Tammany Parish records · APN 124-048-5470

Assessment roll updated February 6, 2026 · Last verified June 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	7225 W TAMARON BLVD, NEW ORLEANS, LA 70128-4606
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 19, 2020 · Amount on Record
Deed Sale	Aug 19, 2020 · Amount on Record
Deed Doc Number	20202222387
Record Refreshed	Sep 20, 2026

August 2020: Cash Sale Deed, Transfer

Document Type	Cash Sale Deed
Jurisdiction	SAINT TAMMANY LA
Recording Date	Aug 19, 2020
Property Address	409 KOSTMAYER AVE, SLIDELL, LA 70458-4635
Document Number	0002222387
Instrument Date	Aug 17, 2020
Instrument	2222387
Transaction Type	Transfer
Record Updated	Apr 06, 2023
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Notice of Foreclosure Sale Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1017 BRECKENRIDGE DR, SLIDELL, LA 70461-5313

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7225 W TAMARON BLVD, NEW ORLEANS, LA 70128-4606

Tax Assessment & Valuation

Source: St. Tammany Parish records · Assessment roll updated February 6, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Louisiana
County	St. Tammany Parish
Municipality	Slidell City
Unified School District	St. Tammany Parish School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,237.00 (-6.15%)	$8,287 (-) Land $1,850 Building $6,437	$82,870 (-) Land $18,500 Building $64,370
2024	$1,318.00 (+55.61%)	$8,287 (+70.65%) Land $1,850 Building $6,437	$82,870 (+70.65%) Land $18,500 Building $64,370
2023	$847.00	$4,856 (-) Land $500 Building $4,356	$48,560 (-) Land $5,000 Building $43,560
2022	$847.00	$4,856 Land $500 Building $4,356	$48,560 Land $5,000 Building $43,560

Flood & Wildfire

Our records do not include FEMA flood map data for 409 Kostmayer Ave; wildfire exposure is direct.

Flood

Source: FEMA National Flood Hazard Layer

FEMA Flood Zone	FEMA flood map data for this location is not available in our records

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Moderate 46th percentile of exposed land nationally · 73rd in Louisiana
Wildfire Likelihood	Moderate — about 1 in 1,266 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.