Rebuilt Legal Duplex with Attached
New
For Sale
$3,500,000
1578 San Bernardino, Costa Mesa, CA 92627
Legal duplex rebuilt with an attached ADU, plus private lap pool and spa, built in 2004 and updated in 2025.
Days on Market7
Property Features for 1578 San Bernardino
General Information
Standard status
Active
Property subtype
Duplex
Additional Details
Highway Access
Yes
Amenities
private lap pool
spa
Building Details
Building Size
4,000 SF
Year Built
2004
Year Renovated
2025
Construction
Contemporary Italian Architecture
Listing Agency:
Robin Fenchel, Broker
Listed By:
Robin Fenchel · License #00936248
Source:
Summerperrygroup
Added: Jul 26
Changed: Jul 30
Last Checked: Jul 31 at 11:28AM
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 Robin Fenchel, Broker
Investment Insights
Based on property information with market context.
Rebuilt legal duplex in a contemporary Italian-inspired design built in 2004 and updated and expanded in 2025. The property is set on a large, pie-shaped cul-de-sac lot and includes high-volume, open interior areas designed to blend indoor and outdoor living. A private lap pool and spa add outdoor recreation on-site.
In addition to the duplex, there is an attached ADU with two bedrooms and two bathrooms across two stories, totaling 1,000 square feet. The ADU can operate as a separate living space. The home is minutes away from both the beach and the freeway.
1578 San Bernardino is positioned in Costa Mesa, CA 92627, offering a flexible residential income configuration with a duplex plus an attached ADU.
In addition to the duplex, there is an attached ADU with two bedrooms and two bathrooms across two stories, totaling 1,000 square feet. The ADU can operate as a separate living space. The home is minutes away from both the beach and the freeway.
1578 San Bernardino is positioned in Costa Mesa, CA 92627, offering a flexible residential income configuration with a duplex plus an attached ADU.
Key Highlights
- Legal duplex rebuilt and updated/expanded in 2025, originally built in 2004
- Attached ADU has 2 beds, 2 baths, two stories, and 1,000 sq ft
- Large pie‑shaped cul‑de‑sac lot
Property Analytics
Current Use
Lease Details
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
3,445
Businesses Nearby
Explore this area
Business Placement
Demographics for 92627, CA
61,764
Population
23,286
Households
2.7
Avg Household Size
36
Median Age
42%
College-Educated
85%
High-School Grad
6.4 sq mi
ZIP Area
9,651
Density / Sq Mi
$105,039
Median Household Income
$49,236
Median Earnings
$2,299
Median Rent
$1,074,900
Median Home Value
Market
Vacancy Rate% for Multifamily in West region
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Frequently Asked Questions
What type of property is this?
Duplex - Legal duplex rebuilt with an attached ADU, plus private lap pool and spa, built in 2004 and updated in 2025.
Where is this duplex located?
The property is located at 1578 San Bernardino Costa Mesa, CA.
What is the asking price?
The asking price for this property is $3,500,000.
What are key features of this property?
This property features: Legal duplex rebuilt and updated/expanded in 2025, originally built in 2004; Attached ADU has 2 beds, 2 baths, two stories, and 1,000 sq ft; Large pie‑shaped cul‑de‑sac lot
