Four-Unit Multifamily
6311 Windsor Castle, San Antonio, TX 78218
For Sale
New
$340,000
Multi-Family (2-8 Units), San Antonio, TX
Property Size3,039 SF
Lot Size0.12 Acres
Price / SF$111.88
Days on Market5
Property Features for 6311 Windsor Castle
General Information
Property type
Property subtype
Zoning
Elementary school
Middle school
High school
Subdivision
Standard status
APN
Size
Lot size
Additional Details
Tenant in Place
Taxes and HOA fees
Tax Annual Amount
HOA Fee
Building Details
Year built
Listing Agency:
eXp Realty
Listed By:
Eva Varga · License TX #0684044
(888) 519-7431
Added: Nov 5
Changed: Nov 6
Last Checked: Nov 9 at 7:06PM
MLS# 2028600
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.
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Investment Insights
Based on property information with market context.
This 3,039-square-foot multifamily property contains four separate units, all currently occupied. Built in 1985, the property sits on a 0.117-acre lot and is zoned MF-33.
The property is located in San Antonio, with shopping, dining, major highways, and everyday amenities nearby.
The property is located in San Antonio, with shopping, dining, major highways, and everyday amenities nearby.
Key Highlights
- Four separate units; all are occupied
- 3,039 square feet on a 0.117‑acre lot
- MF‑33 zoning
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$31,043
Cap Rate
9.13%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$620,860
$620.9K
Cap Rate 7%
$443,471
$443.5K
Cap Rate 9%
$344,922
$344.9K
Market Conditions
NOI Build-Up for 3,039 SF
Gross rent
$60.2K $19.80/SF
− Vacancy
−$3.7K −$1.23/SF
EGI
$56.4K $18.57/SF
− OpEx
−$25.4K −$8.36/SF
NOI
$31.0K $10.21/SF
Area
San Antonio, TX
Vacancy
6.20%
Lease Rate
$19.80 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$620,860
Cap Rate 7%
$443,471
Cap Rate 9%
$344,922
Alternative Uses
Best Use
Multifamily LT 5
$499.7K
$437.2K – $583.0K
NOI $34,979 @ 7.0% cap · market cap 10.29%
Second Best
Apartment 5plus
$443.5K
$388.0K – $517.4K
NOI $31,043 @ 7.0% cap · market cap 9.13%
Theoretical Best
Office A
$775.2K
$678.3K – $904.4K
NOI $54,264 @ 7.0% cap · market cap 15.96%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
Who owns this building?
See the owner, sales and loan history
Open Analytics
Lease Details
4
Residential units
100%
Occupancy
Location Intelligence
Trade Area within ½ mile
295
Businesses Nearby
Explore this area
Business Placement
Demographics for 78218, TX
36,137
Population
15,462
Households
2.3
Avg Household Size
35
Median Age
20%
College-Educated
82%
High-School Grad
11.2 sq mi
ZIP Area
3,227
Density / Sq Mi
$56,833
Median Household Income
$34,040
Median Earnings
$1,168
Median Rent
$183,900
Median Home Value
Check the figures for this property
Cap Rate, Value Estimation, Potential NOI and more
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Market
Average Price Trend$/SF for Quadplexes in San Antonio, TX
Properties on Market for Quadplexes in San Antonio
Vacancy Rate% for Multifamily in South region
Frequently Asked Questions
What type of property is this?
Quadplex - All four residences are occupied, with MF-33 zoning and a compact site configuration.
Where is this quadplex located?
The property is located at 6311 Windsor Castle San Antonio, TX.
What is the asking price?
The asking price for this property is $340,000.
What are key features of this property?
This property features: Four separate units; all are occupied; 3,039 square feet on a 0.117‑acre lot; MF‑33 zoning
