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Santa Ana Triplex with ADU Potential

500 E 15th Santa Ana, CA 92701

500 E 15th, Santa Ana, CA, 92701
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Well-maintained triplex with approved ADU plans in Santa Ana.

Property Size1,826 SF
Lot Size0.17 Acres
Price / SF$684.56
AddedNov 6, 2025
Days on Market252
Last RefreshJul 15 at 7:11 pm

Property Features for 500 E 15th

General Information

Standard status
Active
Size
1,826 SF
Lot size
0.17 Acres
Property subtype
Multifamily

Listing office Compass

Listing date Nov 6, 2025

Source Crexi

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 Compass


Investment Insights

Based on property information with market context.

The property at 500 E 15th St is a well-maintained triplex located in Santa Ana. The multifamily property has a building size of 1,826 square feet and is situated on a 7,405 square foot R3 lot. The property features three units, each with one bedroom. One unit has 1.5 bathrooms and is approximately 826 square feet, while the other two units each have one bathroom and are approximately 500 square feet. Each residence offers functional layouts with natural light and private access. Approved ADU plans are available for a 515 square foot one-bedroom, one-bath garage conversion, offering additional rental income potential. The property is located near Downtown Santa Ana, schools, and major freeways. It is located within the Santa Ana Unified School District. The R3 zoning allows for future development flexibility. This property is suitable for investors seeking stability and future growth, value-add investors, and 1031 exchange buyers looking to grow their Orange County portfolio.

Key Highlights

  • Approved ADU plans for a 515 SF 1‑bedroom, 1‑bath garage conversion, offering immediate potential for increased rental income.
  • Strong current income from three existing units, providing immediate cash flow.
  • Prime location in the heart of Santa Ana, near Downtown, schools, and major freeways, ensuring consistent tenant demand.

Local 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 $59.2k $32.40
− Vacancy −$2.7k −$1.46
EGI $56.5k $30.94
− OpEx −$17.0k −$9.28
NOI $39.6k $21.66
1,826 SF · lease $32.40/SF/yr · vacancy 4.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$565.0K
$494.4K – $659.2K (±1% cap)
NOI $39,550 @ 7.0% cap · market cap 3.16%
Second Best
Apartment 5plus
$518.5K
$453.7K – $604.9K (±1% cap)
NOI $36,292 @ 7.0% cap · market cap 2.90%
Theoretical Best
—
—
same as Best Use
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Triplexes

Suggested Use

Real Estate Agency Daycare Center Tech Support Center (Bike/Boat/Book/etc) Store Veterinary Clinic (Bike/Boat/Book/etc) Store Wine and Liquor Store (Bike/Boat/Book/etc) Store Computer & Electronic Repair Restaurant

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

FAQs

What type of property is this?
Triplex - Well-maintained triplex with approved ADU plans in Santa Ana.
Where is this triplex located?
The property is located at 500 E 15th Santa Ana, CA.
What is the asking price?
The asking price for this property is $1,250,000.
What are key features of this property?
This property features: Approved ADU plans for a 515 SF 1‑bedroom, 1‑bath garage conversion, offering immediate potential for increased rental income.; Strong current income from three existing units, providing immediate cash flow.; Prime location in the heart of Santa Ana, near Downtown, schools, and major freeways, ensuring consistent tenant demand.
Contact an agent
(562) 999-1885 Call to check price and availability
More about this property
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