142 6th, Seal Beach, CA 90740 - Photo 1 of 64, Seal Beach, CA
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$3,095,000

142 6th, Seal Beach, CA 90740

Pacific Sotheby's Int'l Realty
4Beds
4Baths
3,607Sq Ft
4Parking
1938Built
1Days Listed

About This Property

An extraordinary opportunity to own a rare double-lot duplex in one of Southern Californias most sought-after coastal communities. Opportunities like this seldom become available in the heart of coveted Old Town Seal Beachs prestigious Gold Coast neighborhood. Whether you're looking to build your dream home, complete a 1031 exchange, live in one unit while generating rental income from the other, or capitalize on a unique investment or development opportunity, this property offers exceptional flexibility in one of Californias most beloved beach towns. Located just one block from the sand and ocean, this exceptional double lot presents endless possibilities for homeowners, investors, and developers alike. Potential opportunities include dividing the property into two separate lots and constructing new homes with ADUs, retaining one existing structure while developing the second lot, or preserving the charming one-bedroom beach cottage and adding an ADU above the garage (all subject to City approval). The property features two original beach cottages connected by a shared courtyard. Unit 144 is a spacious 3,047-square-foot residence (per appraisal) offering 3 bedrooms and 3 bathrooms. The main level features a generous family room, kitchen, dining area, living room, and full bathroom. Upstairs, youll find a large den, an expansive primary suite with a walk-in closet and en-suite bathroom, as well as a secondary bedroom and an additional full bathroom. A spiral staircase leads to the rooftop deck, where breathtaking 360-degree views of the coastal town, city lights, and surrou

Timothy CarrPacific Sotheby's Int'l Realty949-631-9999

Property Location

Map

Property Details

Property Type
Townhouse
Bedrooms
4
Bathrooms
4
Building Area
3,607 Sqft
Living Area
3,607 sqft
Year Built
1938
Stories
2.0
Status
Active
Days on Market
1
Cumulative Days on Market
1
Original Price
$3,095,000

Location & Neighborhood

What's nearby 142 6th, Seal Beach, CA 90740

Parks & Recreation

Transit Access

Local Amenities

POI data updated 6/16/2026

Seal Beach Market Snapshot

42

Active Listings

$1.6M

Median Price

38

Avg Days on Market

Last updated: Jun 16, 2026

Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.

$3,095,000