Located on a small, quiet residential street in Seal Beach, 1521 Marine Ave presents a well-positioned 4-unit multifamily opportunity just three blocks from the beach and less than half a mile from the retail and dining along Main Street. The property consists of one 1-bedroom / 1-bath unit and three studio units, totaling approximately 2,400 square feet of rentable space on a 2,178 square foot lot.
The asset offers strong current income with clear rental upside as units trend toward market levels. Additional improvements include a detached 2-car garage with on-site laundry, along with a detached storage structure featuring a fireplace, providing added utility and flexibility.
With its premier coastal location, quiet neighborhood setting, and proximity to local amenities, the property benefits from consistent tenant demand. This offering presents an attractive opportunity for investors seeking stable income and long-term appreciation in a highly desirable, supply-constrained beachside submarket.
The asset offers strong current income with clear rental upside as units trend toward market levels. Additional improvements include a detached 2-car garage with on-site laundry, along with a detached storage structure featuring a fireplace, providing added utility and flexibility.
With its premier coastal location, quiet neighborhood setting, and proximity to local amenities, the property benefits from consistent tenant demand. This offering presents an attractive opportunity for investors seeking stable income and long-term appreciation in a highly desirable, supply-constrained beachside submarket.
Property Details
Price:
$2,000,000
MLS #:
SB26071238
Status:
Active
Beds:
2
Baths:
4
Type:
Single Family
Subtype:
Quadruplex
Subdivision:
Old Town OLDT
Neighborhood:
1asealbeach
Listed Date:
Apr 6, 2026
Finished Sq Ft:
2,400
Lot Size:
2,178 sqft / 0.05 acres (approx)
Year Built:
1950
See this Listing
Schools
School District:
Seal Beach Unified
Interior
Bathrooms
4 Full Bathrooms
Cooling
NO
Laundry Features
IG
Levels
U
Main Level Bathrooms
2
Main Level Bedrooms
2
Exterior
Attached Garage YN
1
Common Walls
_2CW
Community Features
BIKI
Garage Spaces
2
Parking Spots
2
Parking Total
2
View
NO
Financial
Map
Community
- Address1521 Marine Seal Beach CA
- SubdivisionOld Town (OLDT)
- CitySeal Beach
- CountyOrange
- Zip Code90740
Subdivisions in Seal Beach
Market Summary
Current real estate data for Single Family in Seal Beach as of Jul 28, 2026
132
Single Family Listed
63
Avg DOM
548
Avg $ / SqFt
$841,453
Avg List Price
Property Summary
- Located in the Old Town (OLDT) subdivision, 1521 Marine Seal Beach CA is a Single Family for sale in Seal Beach, CA, 90740. It is listed for $2,000,000 and features 2 beds, 4 baths, and has approximately 2,400 square feet of living space, and was originally constructed in 1950. The current price per square foot is $833. The average price per square foot for Single Family listings in Seal Beach is $548. The average listing price for Single Family in Seal Beach is $841,453.
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1521 Marine
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