409 Kostmayer Avenue

Slidell, LA
$ 110,000 Beds 3 Baths 1.5 Sq 858
Monthly Estimate* How much can I afford?

Slidell Charmer with Bonus Efficiency Apartment in Sought-After Salmen Addition! Don't miss this well-appointed 3-bedroom, 1.5-bath home nestled in the established Salmen Addition neighborhood of Slidell. Whether you're a first-time buyer, investor, or savvy homeowner looking to offset your mortgage, this property delivers incredible value and versatility. The standout feature? A fully self-contained mother-in-law/efficiency apartment, perfect for extended family or out-of-town guests Step outside and enjoy the generous covered patio, an ideal spot for entertaining, relaxing, or simply soaking in the Louisiana lifestyle year-round rain or shine. This home offers the kind of quiet, established neighborhood feel that buyers are always searching for. Schedule your showing today before this one is gone!

Active

  • Price
  • $ 110,000
  • City
  • Slidell
  • Bedrooms
  • 3
  • Full Bathrooms
  • 1
  • County
  • ST TAMMANY
  • Half Bathrooms
  • 1
  • Area
  • Lot Size
  • 0.27 Acres
  • Zip
  • 70458
  • Sqr Footage
  • 858
  • Year Built
  • 1950
  • Style
  • Cottage
  • MLS#
  • 2562422
Listed By: Nichell Thompson with Keller Williams Realty New Orleans - (504) 862-0100
Data Source: Gulf South Real Estate Information Network

Features

General

Sewer Public Sewer
Heating Central
Cooling Central Air
Roof Asphalt,Shingle
Appliances Dishwasher,Oven,Range,Refrigerator
Patio/Porch Features Concrete,Covered
Architectural Style Cottage
Pool Features None
Construction Materials Vinyl Siding
Year Built 1950
Stories Count 1
Levels One
Property Subtype Detached
County St Tammany
Property Type Residential
Subdivision Name Salmen Addition
Other Structures Apartment
Total Rooms 5
Full Baths 1
Status Active
City Slidell
Property Condition Average Condition
Standard Status Active
Tax Lot 5
Property Sub Type Additional Detached,Single Family Residence
PostalCity Slidell
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 1910918 INST NO 2032614 INST NO 2073974 INST NO 2188255 INST NO 2121119 INST

Interior Features

Interior Amenities Ceiling Fan(s)
Fireplace Features None
Air Conditioning Y/N Yes
Heating Y/N Yes
Half Baths 1
Total Bedrooms 3
LivingAreaSource Assessor

Exterior Features

Parking Features Two Spaces
Lot Features City Lot,Oversized Lot
Water Source Public
Lot Size Area 0.27
Foundation Details Slab
Building Area Total 858
Lot Dimensions 65/60/197
Lot Size Acres 0.27

Room Details

Bedroom Lower Laminate,Simulated Wood
Bedroom # 2 Lower Laminate,Simulated Wood
Kitchen Lower Laminate,Simulated Wood
Living Room Lower Laminate,Simulated Wood
Primary Bedroom Lower Tile

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Madisonville, LA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School Unknown Middle School
High School Unknown High School

Price History

6/15/2026 Listed $110,000

Property vs Zip Code Average in 70458

Price
AVG $320K
$110K
Year Built
AVG 1989
1950
Visits
AVG 94
81
Data Provided by Inside Real Estate®

In The Neighborhood

Areas That We Cover

409 Kostmayer Avenue Slidell, LA is a Single Family Home for sale at $110000 with 858 sqft and a lot size of 0.27 Acres Acre(s). 409 Kostmayer Avenue Slidell has 3 bedrooms, 1 baths and was built in 1950. The property's zip code is 70458 which is in Slidell, LA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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