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Terrell Heights Duplex Investment Opportunity
For Sale
$400,000

305 Rittiman, San Antonio, TX 78209

MULTI_FAMILY - San Antonio, TX

Property Size2,904 SF
Lot Size0.25 Acres
Price / SF$137.74
Days on Market97

Property Features for 305 Rittiman

General Information

Property type Residential Multi Family
Property subtype Other
Zoning RESIDENTIAL
Elementary school Woodridge
Middle school Alamo Heights
High school Alamo Heights
Elementary school district Alamo Heights I.S.D.
Middle school district Alamo Heights I.S.D.
High school district Alamo Heights I.S.D.
Subdivision 1300
Standard status Active
Size 2,904 SF
Lot size 0.25 Acres

Taxes and HOA fees

Tax Annual Amount 9357

Utilities

Cooling system Central Air

Building Details

Year built 1945
Listing Agency: King, REALTORS
Listed By: James Sheridan
Added: Apr 27 Last Checked: Aug 1 at 8:06AM
MLS# 1929144

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.

Located in the heart of Terrell Heights, this duplex presents an investment opportunity. The property features a covered carport, a large outside storage shed, a covered backyard patio, and an upstairs landing/balcony. The lot size is 0.246 acres. The property offers the option to convert to a single-family residence. Shopping, dining, and entertainment options are located nearby. The upstairs unit requires a full rehabilitation. The downstairs unit is currently occupied and features a brand new TRANE HVAC system and furnace. The property size is 2904 square feet.

Key Highlights

  • Prime location in Terrell Heights (78209) offering investment potential.
  • Duplex structure provides options: live in one unit and lease the other, or lease both.
  • Downstairs unit features a brand new TRANE HVAC system/furnace.**

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 $50.5k $17.40
− Vacancy −$2.8k −$0.96
EGI $47.8k $16.44
− OpEx −$14.3k −$4.93
NOI $33.4k $11.51
2,904 SF · lease $17.40/SF/yr · vacancy 5.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$477.5K
$417.8K – $557.1K (±1% cap)
NOI $33,425 @ 7.0% cap · market cap 8.36%
Second Best
Apartment 5plus
$423.8K
$370.8K – $494.4K (±1% cap)
NOI $29,664 @ 7.0% cap · market cap 7.42%
Theoretical Best
Office A
$740.8K
$648.2K – $864.2K (±1% cap)
NOI $51,853 @ 7.0% cap · market cap 12.96%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Daycare Center Electrical Service Kitchen & Bath Showroom (Bike/Boat/Book/etc) Store Auto Parts Store Garden Center

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

Location Intelligence

Trade Area within ½ mile

1,028
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
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Duplex - Duplex in premium location, great investment opportunity.
Where is this duplex located?
The property is located at 305 Rittiman San Antonio, TX.
What is the asking price?
The asking price for this property is $400,000.
What are key features of this property?
This property features: Prime location in Terrell Heights (78209) offering investment potential.; Duplex structure provides options: live in one unit and lease the other, or lease both.; Downstairs unit features a brand new TRANE HVAC system/furnace.**
More about this property
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