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128 Gardiner Avenue, South San Francisco, CA, 94080
Two-Unit Duplex with Two Bedrooms

128 Gardiner Avenue South San Francisco, CA 94080

New
For Sale
$1,298,000

Well-maintained duplex with two 2-bedroom, 1-bath units, both currently tenant-occupied.

Property Size2,171 SF
Price / SF$597.88
Days on Market7

Property Features for 128 Gardiner Avenue

General Information

Standard status Active
Size 2,171 SF
Property subtype Multi Family

Building Details

Year Built 1962
Listing Agency: Intero Real Estate Services
Listed By: Loletta Wong · License #01867920
Source: Exitrealty
Added: Jul 23 Changed: Jul 26 Last Checked: Jul 28 at 5:32AM

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 Intero Real Estate Services

Investment Insights

Based on property information with market context.

This well-maintained duplex features two spacious units, with each unit offering 2 bedrooms and 1 bathroom. Both units are currently tenant-occupied, providing immediate rental income. The property presents a straightforward setup for investors or future owner-occupants seeking a residential income asset.

Located near Grand Avenue, with convenient access to shopping and restaurants, the property is also close to the Costco Business Center. It sits near major biotech employers and Highway 101, with Gardiner Park also nearby.

With two separate, similarly configured units, the duplex offers a practical two-unit income structure in a South San Francisco Peninsula location.

Key Highlights

  • Well‑maintained duplex built in 1962 with two units
  • Each unit features 2 bedrooms and 1 bathroom
  • Both units are currently tenant‑occupied for immediate rental income

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 $96.4k $44.40
− Vacancy −$6.3k −$2.89
EGI $90.1k $41.51
− OpEx −$27.0k −$12.45
NOI $63.1k $29.06
2,171 SF · lease $44.40/SF/yr · vacancy 6.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$901.3K
$788.6K – $1.05M (±1% cap)
NOI $63,089 @ 7.0% cap · market cap 4.86%
Second Best
Apartment 5plus
$844.1K
$738.6K – $984.8K (±1% cap)
NOI $59,088 @ 7.0% cap · market cap 4.55%
Theoretical Best
Warehouse
$1.72M
$1.51M – $2.01M (±1% cap)
NOI $120,712 @ 7.0% cap · market cap 9.30%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Location Intelligence

Current Use

Duplexes

Suggested Use

Top Pick Real Estate Agency Electrical Service Computer & Electronic Repair (Bike/Boat/Book/etc) Store Acupuncture Tech Support Center

Zoning and permitted uses should be independently verified with authorities.

Frequently Asked Questions

What type of property is this?
Duplex - Well-maintained duplex with two 2-bedroom, 1-bath units, both currently tenant-occupied.
Where is this duplex located?
The property is located at 128 Gardiner Avenue South San Francisco, CA.
What is the asking price?
The asking price for this property is $1,298,000.
What are key features of this property?
This property features: Well‑maintained duplex built in 1962 with two units; Each unit features 2 bedrooms and 1 bathroom; Both units are currently tenant‑occupied for immediate rental income
More about this property
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