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Mahncke Park Duplex Investment Opportunity
For Sale
$333,000

401 Natalen, San Antonio, TX 78209

MULTI_FAMILY - San Antonio, TX

Property Size1,656 SF
Lot Size0.22 Acres
Price / SF$201.09
Days on Market59

Property Features for 401 Natalen

General Information

Property type Residential Multi Family
Property subtype Other
Zoning MF-33 NCD-6
Elementary school Call District
Middle school Call District
High school Call District
Elementary school district San Antonio I.S.D.
Middle school district San Antonio I.S.D.
High school district San Antonio I.S.D.
Subdivision 1300
Standard status Active
Size 1,656 SF
Lot size 0.22 Acres

Taxes and HOA fees

Tax Annual Amount 7492

Building Details

Year built 1946
Listing Agency: Sophus Properties, LLC
Listed By: Donna Crabtree · License #512451
Added: Jun 2 Changed: Jul 27 Last Checked: Jul 30 at 6:06PM
MLS# 1945288

Copyright © 2026 LERA MLS. 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 Mahncke Park duplex offers a significant investment opportunity with upside potential. The property requires repositioning, allowing investors to add value and improve performance. Each unit features a 2-bedroom, 1-bath townhome-style layout. Private backyards and individual washer and dryer hookups enhance tenant appeal and support consistent occupancy. The property is part of a larger Mahncke Park investment portfolio but can be purchased individually. Additional development potential exists when combined with the purchase of nearby properties at 401/403 Natalen, 407/409 Natalen, and 413/415 Natalen, creating a larger assemblage opportunity. Owner financing is available, providing a flexible alternative to traditional lending. The property is suitable for investors seeking reliable cash flow with value-add and development potential in a central location. The property is located in San Antonio, TX, with a lot size of 0.215 acres and a property size of 1656 square feet. The zoning is MF-33 NCD-6.

Key Highlights

  • Strong investment opportunity with value‑add potential.
  • Prime central location in Mahncke Park.
  • Each unit has a spacious 2‑bedroom, 1‑bath townhome‑style layout.

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 $28.8k $17.40
− Vacancy −$1.6k −$0.96
EGI $27.2k $16.44
− OpEx −$8.2k −$4.93
NOI $19.1k $11.51
1,656 SF · lease $17.40/SF/yr · vacancy 5.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$272.3K
$238.3K – $317.7K (±1% cap)
NOI $19,061 @ 7.0% cap · market cap 5.72%
Second Best
Apartment 5plus
$241.7K
$211.5K – $281.9K (±1% cap)
NOI $16,916 @ 7.0% cap · market cap 5.08%
Theoretical Best
Office A
$422.4K
$369.6K – $492.8K (±1% cap)
NOI $29,569 @ 7.0% cap · market cap 8.88%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Building Supply HVAC Service Furniture & Home Goods Electrical Service Storage Facility Carpet & Flooring Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

903
Businesses Nearby

Demographics for 78209, TX

42,456
Population
22,771
Households
1.9
Avg Household Size
40
Median Age
62%
College-Educated
96%
High-School Grad
10.2 sq mi
ZIP Area
4,162
Density / Sq Mi
$84,180
Median Household Income
$57,921
Median Earnings
$1,371
Median Rent
$497,500
Median Home Value

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Value-add duplex in prime location with development potential.
Where is this duplex located?
The property is located at 401 Natalen San Antonio, TX.
What is the asking price?
The asking price for this property is $333,000.
What are key features of this property?
This property features: Strong investment opportunity with value‑add potential.; Prime central location in Mahncke Park.; Each unit has a spacious 2‑bedroom, 1‑bath townhome‑style layout.
More about this property
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