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280 W California Avenue, Sunnyvale, CA, 94086
25-Unit Apartment Building

280 W California Avenue Sunnyvale, CA 94086

New
For Sale
$8,495,000

Value-add multifamily asset offering a mix of one-, two-bedroom and studio units with private parking and on-site laundry.

Property Size15,162 SF
Lot Size0.69 Acres
Price / SF$560.28
Days on Market3

Property Features for 280 W California Avenue

General Information

Standard status
Active
Size
15,162 SF
Lot size
0.69 Acres
Property subtype
Commercial/Industrial

Building Details

Year Built
1974
Listing Agency: Marcus & Millichap
Listed By: Robert Johnston · License #01853816
Source: Exitrealty
Added: Jul 21 Changed: Jul 23 Last Checked: Jul 23 at 5:42AM

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 Marcus & Millichap


Investment Insights

Based on property information with market context.

El Portal Apartments is a 25-unit value-add apartment building originally constructed in 1974. The property offers a mix of studio, one-bedroom, and two-bedroom floor plans, along with private parking and on-site laundry for residents.

Located in Sunnyvale’s Heritage District, the building is described as walkable and positioned near restaurants, retail, entertainment, and the Sunnyvale Caltrain Station.

The asset is situated on a 30,155 square foot parcel with approximately 15,162 square feet of gross building area, supporting a straightforward multifamily configuration for income-focused ownership.

Key Highlights

  • 25‑unit multifamily property at 280 W California Ave in Sunnyvale, CA, built in 1974
  • On a 30,155 SF parcel with approximately 15,162 SF gross building area
  • Unit mix includes studio, 1‑bedroom, and 2‑bedroom floor plans

Financial Insights For Apartment 5plus

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 $609.5k $40.20
− Vacancy −$26.8k −$1.77
EGI $582.7k $38.43
− OpEx −$262.2k −$17.29
NOI $320.5k $21.14
15,162 SF · lease $40.20/SF/yr · vacancy 4.40% · expense 45.00%

Alternative Uses

Best Use
Apartment 5plus
$4.58M
$4.01M – $5.34M (±1% cap)
NOI $320,482 @ 7.0% cap · market cap 3.77%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$6.59M
$5.76M – $7.69M (±1% cap)
NOI $461,199 @ 7.0% cap · market cap 5.43%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Location Intelligence

Current Use by Public Records

Apartment buildings

Suggested Use

(Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Pharmacy Furniture & Home Goods (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Barber Shop (Bike/Boat/Book/etc) Store Grocery & Convenience Store (Bike/Boat/Book/etc) Store

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Apartment building - Value-add multifamily asset offering a mix of one-, two-bedroom and studio units with private parking and on-site laundry.
Where is this apartment building located?
The property is located at 280 W California Avenue Sunnyvale, CA.
What is the asking price?
The asking price for this property is $8,495,000.
What are key features of this property?
This property features: 25‑unit multifamily property at 280 W California Ave in Sunnyvale, CA, built in 1974; On a 30,155 SF parcel with approximately 15,162 SF gross building area; Unit mix includes studio, 1‑bedroom, and 2‑bedroom floor plans
More about this property
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