Triplex with Detached and
For Sale
$1,650,000
13431 Goldenwest, Westminster, CA 92683
MULTI_FAMILY - Westminster, CA
Property Size3,667 SF
Lot Size0.17 Acres
Price / SF$449.96
Days on Market113
Property Features for 13431 Goldenwest
General Information
Property type
Residential Multi Family
Property subtype
Triplex
Bedrooms
8
Bathrooms
5
Full bathrooms
5
Rooms
Bedroom 1, Bedroom 3, Bathroom 3, Bathroom 2, Bathroom 5, Laundry Room, Bedroom 8, Bedroom 2, Bedroom 6, Bathroom 1, Bedroom 4, Bedroom 5, Bathroom 4, Bedroom 7
Parking
6
Parking features
Driveway
Subdivision
Other (OTHR)
Lot features
0-1 Unit/ Acre
Directions
Goldenwest & Trask
Standard status
Active
APN
20348237
Lot size
0.17 Acres
Utilities
Sewer type
Public Sewer
Water source
Public
Amenities
indoor laundry area
Building Details
Year built
1955
Floors in Building
1
Number of units
3
Flooring type
Vinyl
Listing Agency:
Keller Williams Realty
(714) 861-5500
Listed By:
Elizabeth Do · License #01473012
(714) 861-5557
Added: Apr 12
Changed: Jul 31
Last Checked: Aug 2 at 12:06AM
MLS# OC26086110
Copyright © 2026 California Regional Multiple Listing Service, Inc. 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.
This triplex includes three separate residential units totaling approximately 3,667 square feet of total living space. The main house is a single-level 3-bedroom, 2-bath residence with 1,177 square feet of living area. The property also features a 2024 remodeled junior ADU offering 2 bedrooms, 1 bathroom, and about 500 square feet, plus a 2025 constructed detached ADU with 3 bedrooms, 2 bathrooms, and approximately 1,200 square feet.
The overall site is a 7,200 square foot lot. Each unit includes an indoor laundry area. The main house includes vinyl flooring and the property is served by public water and public sewer. Parking is provided via a driveway.
Built in 1955, the configuration is well-suited for multi-generational living or rental income, with modern updates described for both ADUs, including mini-split A/C and heating for the 2024 junior ADU and solar operation for the junior ADU. The location provides access to major thoroughfares including the 405 and 22 freeways.
The overall site is a 7,200 square foot lot. Each unit includes an indoor laundry area. The main house includes vinyl flooring and the property is served by public water and public sewer. Parking is provided via a driveway.
Built in 1955, the configuration is well-suited for multi-generational living or rental income, with modern updates described for both ADUs, including mini-split A/C and heating for the 2024 junior ADU and solar operation for the junior ADU. The location provides access to major thoroughfares including the 405 and 22 freeways.
Key Highlights
- Three units with approximately 3,667 SF total living space on a 7,200 SF lot
- Main house: 3 Bed | 2 Bath with 1,177 SF, single‑level configuration
- 2024 remodeled junior ADU: 2 Bed | 1 Bath with 500 SF and mini‑split A/C and heating
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 | $114.4k | $31.20 |
| − Vacancy | −$3.9k | −$1.07 |
| EGI | $110.5k | $30.13 |
| − OpEx | −$33.1k | −$9.04 |
| NOI | $77.3k | $21.09 |
3,667 SF · lease $31.20/SF/yr · vacancy 3.42% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$1.10M
$966.9K – $1.29M
NOI $77,348 @ 7.0% cap · market cap 4.69%
Second Best
Apartment 5plus
$999.9K
$874.9K – $1.17M
NOI $69,993 @ 7.0% cap · market cap 4.24%
Theoretical Best
Office A
$1.23M
$1.08M – $1.44M
NOI $86,217 @ 7.0% cap · market cap 5.23%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
Multi-tenant
Tenancy
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
1,389
Businesses Nearby
Explore this area
Business Placement
Demographics for 92683, CA
90,946
Population
29,075
Households
3.1
Avg Household Size
42
Median Age
26%
College-Educated
78%
High-School Grad
9.7 sq mi
ZIP Area
9,376
Density / Sq Mi
$82,703
Median Household Income
$39,821
Median Earnings
$2,101
Median Rent
$820,000
Median Home Value
Market
Vacancy Rate% for Multifamily in West region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Triplex - Three-unit triplex with a 2024 junior ADU and a 2025 detached ADU for flexible rental or multi-generational living.
Where is this triplex located?
The property is located at 13431 Goldenwest Westminster, CA.
What is the asking price?
The asking price for this property is $1,650,000.
What are key features of this property?
This property features: Three units with approximately 3,667 SF total living space on a 7,200 SF lot; Main house: 3 Bed | 2 Bath with 1,177 SF, single‑level configuration; 2024 remodeled junior ADU: 2 Bed | 1 Bath with 500 SF and mini‑split A/C and heating
