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Duplex with Mother-in-Law Unit

1818 LAHARPE Street New Orleans, LA 70116

New
1818 LAHARPE Street, New Orleans, LA, 70116
$775,000
For Sale
Claim this Listing
$775,000

MULTI_FAMILY - New Orleans, LA

Property Size2,779 SF
Price / SF$278.88
AddedJul 13
Days on Market2
Last RefreshJul 14 at 7:06 pm

Property Features for 1818 LAHARPE Street

General Information

Property type
Residential Multi Family
Property subtype
Other
Parking features
Driveway
Patio and Porch features
Porch
Exterior features
Porch
Standard status
Active
APN
37W111217
Size
2,779 SF

Taxes and HOA fees

Tax Description
1. SQ 895 LOT 15 2. 32 X 158 3. 1818-20 LAHARPE ST

Utilities

Heating system
Central
Cooling system
Central Air
Water source
Public

Building Details

Year built
2018
Floors in Building
2
Number of units
2
Roof type
Asphalt
Architectural style
Other

Listing agent Thomas McIntyre - Day License #995715147

Listing office Berkshire Hathaway HomeServices Preferred, REALTOR 4018 Magazine St., New Orleans, LA

Listing date Jul 13, 2026

MLS# 2567432 Listing URL

Copyright © 2026 New Orleans Metropolitan Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

This upscale duplex was built in 2018 and features a primary residence with an additional 1-bedroom mother-in-law unit. Interior highlights include pine hardwood floors and high ceilings, along with luxury finishes and stainless steel appliances. The property also includes two off-street parking spaces.

Located in Treme, the duplex is described as being just minutes from the French Quarter, City Park, the Fair Grounds, the Medical District, and I-10.

The listing notes a proven history of consistent rental income, with actuals available, and states the property offers flexibility for buy-and-hold or for living in one portion while renting the secondary unit and efficiency to help offset expenses.

Key Highlights

  • Upscale duplex with a 1‑bedroom mother‑in‑law unit and additional efficiency unit
  • Built in 2018 with central heating and central air conditioning
  • Porch and pine hardwood floors with high ceilings and luxury finishes

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $55.0k $19.80
− Vacancy −$4.8k −$1.71
EGI $50.3k $18.09
− OpEx −$15.1k −$5.43
NOI $35.2k $12.66
2,779 SF · lease $19.80/SF/yr · vacancy 8.64% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$502.7K
$439.9K – $586.5K (±1% cap)
NOI $35,189 @ 7.0% cap · market cap 4.54%
Second Best
Apartment 5plus
$462.1K
$404.3K – $539.1K (±1% cap)
NOI $32,344 @ 7.0% cap · market cap 4.17%
Theoretical Best
Office A
$706.3K
$618.0K – $824.1K (±1% cap)
NOI $49,443 @ 7.0% cap · market cap 6.38%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Dental Office Building Supply Furniture & Home Goods Home Appliance Store Acupuncture Skin Care Clinic Gym & Fitness Center Kitchen & Bath Showroom Locksmith Carpet & Flooring Store

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Turnkey duplex built in 2018 with a mother-in-law suite, stainless appliances, pine hardwood floors, and two off-street parking spaces.
Where is this duplex located?
The property is located at 1818 LAHARPE Street New Orleans, LA.
What is the asking price?
The asking price for this property is $775,000.
What are key features of this property?
This property features: Upscale duplex with a 1‑bedroom mother‑in‑law unit and additional efficiency unit; Built in 2018 with central heating and central air conditioning; Porch and pine hardwood floors with high ceilings and luxury finishes
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More about this property
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