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Contemporary Three-Unit Triplex
New
For Sale
$525,000

6403 Marcum Dr, San Antonio, TX 78227

Built in 2021 with separate electric meters, no HOA, and central electric heating and air conditioning.

Property Size3,023 SF
Price / SF$173.67
Days on Market4

Property Features for 6403 Marcum Dr

General Information

Standard status Active
Size 3,023 SF
Property subtype Multi-Family
Zoning MF-33

Site & Location

Highway Access Yes
Utilities to Site Yes

Units

Unit Mix 3 x 3BR/2.5BA
Multifamily Units 3

Building Details

Year Built 2021
Buildings 2
Construction stucco
Listing Agency: Keller Williams City-View
Listed By: Charles Gafford
Source: Theswinneygroup
Added: Sep 16 Changed: Sep 17 Last Checked: Sep 18 at 12:22PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Keller Williams City-View

Investment Insights

Based on property information with market context.

This three-unit residential property comprises a duplex and a separate detached unit arranged across two structures. Each residence offers 3 bedrooms, 2 full baths, 1 half bath, and approximately 1,008 square feet of two-story living area. Interior finishes include luxury vinyl plank and carpet, along with washer and dryer connections and central electric heating and air conditioning. The improvements feature stucco exteriors, slab foundations, composition roofs, and individually metered electricity. The property was built in 2021 and contains approximately 3,023 square feet overall.

Located at 6403 Marcum Dr in San Antonio's Meadowcliff area, the property is near Lackland AFB and Hwy 90. It is zoned MF-33 and falls within Northside ISD. No HOA is reported.

Key Highlights

  • Three residential units across a duplex and a separate detached structure
  • Each unit includes 3 bedrooms, 2 full baths, 1 half bath, and approximately 1,008 square feet
  • Approximately 3,023 square feet across the property

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$34,795
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
6.63%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$695,900 $695.9K
Cap Rate 7%
$497,071 $497.1K
Cap Rate 9%
$386,611 $386.6K
Market Conditions
NOI Build-Up for 3,023 SF 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.
Gross rent
$52.6K $17.40/SF
− Vacancy
−$2.9K −$0.96/SF
EGI
$49.7K $16.44/SF
− OpEx
−$14.9K −$4.93/SF
NOI
$34.8K $11.51/SF
Area
San Antonio, TX
Vacancy
5.50%
Lease Rate
$17.40 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$695,900
Cap Rate 7%
$497,071
Cap Rate 9%
$386,611

Alternative Uses

Best Use
Multifamily LT 5
$497.1K
$434.9K – $579.9K (±1% cap)
NOI $34,795 @ 7.0% cap · market cap 6.63%
Second Best
Apartment 5plus
$441.1K
$386.0K – $514.7K (±1% cap)
NOI $30,879 @ 7.0% cap · market cap 5.88%
Theoretical Best
Office A
$771.1K
$674.7K – $899.6K (±1% cap)
NOI $53,978 @ 7.0% cap · market cap 10.28%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Triplexes

Suggested Use

Top Pick Law Firm Building Supply Spa & Massage Center HVAC Service Big Box & Wholesale Store Cafe & Coffee Shop

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

3
Residential units
Yes
Highway access
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

214
Businesses Nearby

Demographics for 78227, TX

46,594
Population
16,008
Households
2.9
Avg Household Size
33
Median Age
10%
College-Educated
77%
High-School Grad
19.1 sq mi
ZIP Area
2,439
Density / Sq Mi
$48,049
Median Household Income
$28,857
Median Earnings
$1,112
Median Rent
$151,300
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in South region

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

What type of property is this?
Triplex - Built in 2021 with separate electric meters, no HOA, and central electric heating and air conditioning.
Where is this triplex located?
The property is located at 6403 Marcum Dr San Antonio, TX.
What is the asking price?
The asking price for this property is $525,000.
What are key features of this property?
This property features: Three residential units across a duplex and a separate detached structure; Each unit includes 3 bedrooms, 2 full baths, 1 half bath, and approximately 1,008 square feet; Approximately 3,023 square feet across the property
More about this property
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