Three-Level Duplex Income
For Sale
$750,000
21419/21503 Sir Walter, San Antonio, TX 78256
MULTI_FAMILY - San Antonio, TX
Property Size3,552 SF
Lot Size0.08 Acres
Price / SF$211.15
Days on Market39
Property Features for 21419/21503 Sir Walter
General Information
Property type
Residential Multi Family
Property subtype
Other
Elementary school
Call District
Middle school
Gus Garcia
High school
Louis D Brandeis
Elementary school district
Northside
Middle school district
Northside
High school district
Northside
Subdivision
1002
Standard status
Active
Size
3,552 SF
Lot size
0.08 Acres
Taxes and HOA fees
Tax Annual Amount
16963
HOA Fee
$600 Annually
Utilities
Cooling system
Central Air
Building Details
Year built
2022
Listing Agency:
Mission Haus Realty
(210) 837-2091
Listed By:
Danielle Kruciak · License #0654753
(210) 837-2091
Added: Jun 22
Changed: Jun 23
Last Checked: Jul 30 at 4:06PM
MLS# 1994112
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 duplex income property includes two residences at 21419 & 21503 Sir Walter Lane, each built out on three levels. Each unit features 3 bedrooms and 3.5 bathrooms, along with a 2-car garage, providing a practical layout for tenants seeking more space and privacy across multiple levels. With both units currently leased, the property is positioned to provide immediate rental occupancy.
The address is located in The Dominion, a gated community in San Antonio, Texas. The configuration as a duplex provides two separate living units on one property, while the small lot setting supports an owner’s ability to manage the asset as a cohesive offering.
For investors, the dual leased setup can simplify operations by consolidating two rental units into one purchase. For owner-occupants considering a multi-generational arrangement, the property’s two three-level homes offer an on-site way to keep households close while maintaining separate bedrooms and garage parking. The duplex structure and current leasing status make it a straightforward option for buyers looking for a multi-unit residential income property.
The address is located in The Dominion, a gated community in San Antonio, Texas. The configuration as a duplex provides two separate living units on one property, while the small lot setting supports an owner’s ability to manage the asset as a cohesive offering.
For investors, the dual leased setup can simplify operations by consolidating two rental units into one purchase. For owner-occupants considering a multi-generational arrangement, the property’s two three-level homes offer an on-site way to keep households close while maintaining separate bedrooms and garage parking. The duplex structure and current leasing status make it a straightforward option for buyers looking for a multi-unit residential income property.
Key Highlights
- Duplex in The Dominion gated community with both units currently leased
- Each residence spans three levels with 3 bedrooms and 3.5 baths
- Each unit includes a 2‑car garage
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 | $61.8k | $17.40 |
| − Vacancy | −$3.4k | −$0.96 |
| EGI | $58.4k | $16.44 |
| − OpEx | −$17.5k | −$4.93 |
| NOI | $40.9k | $11.51 |
3,552 SF · lease $17.40/SF/yr · vacancy 5.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$584.1K
$511.1K – $681.4K
NOI $40,884 @ 7.0% cap · market cap 5.45%
Second Best
Apartment 5plus
$518.3K
$453.5K – $604.7K
NOI $36,283 @ 7.0% cap · market cap 4.84%
Theoretical Best
Office A
$906.1K
$792.8K – $1.06M
NOI $63,424 @ 7.0% cap · market cap 8.46%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
100%
Occupancy
Multi-tenant
Tenancy
Turnkey business
Opportunity
Location Intelligence
Trade Area within ½ mile
88
Businesses Nearby
Explore this area
Business Placement
Demographics for 78256, TX
13,643
Population
6,592
Households
2.1
Avg Household Size
30
Median Age
59%
College-Educated
94%
High-School Grad
8.0 sq mi
ZIP Area
1,705
Density / Sq Mi
$72,797
Median Household Income
$52,110
Median Earnings
$1,545
Median Rent
$494,400
Median Home Value
Market
Vacancy Rate% for Multifamily in South region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Duplex with two leased, three-level residences designed with 3 bedrooms, 3.5 baths, and two-car garages.
Where is this duplex located?
The property is located at 21419/21503 Sir Walter San Antonio, TX.
What is the asking price?
The asking price for this property is $750,000.
What are key features of this property?
This property features: Duplex in The Dominion gated community with both units currently leased; Each residence spans three levels with 3 bedrooms and 3.5 baths; Each unit includes a 2‑car garage
