142 6th Street, Seal Beach, CA

$3,095,000

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4

Beds

5

Baths

3,607

Square feet

0.13

Acres

About 142 6th Street

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 3.5 bathrooms. The main level features a generous family room, kitchen, dining area, living room, bedroom, a full bathroom and a half 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

Features of 142 6th Street

MLS® # NP26126800
Price $3,095,000
Bedrooms 4
Bathrooms 5.00
Full Baths 4
Half Baths 1
Square Footage 3,607
Acres 0.13
Year Built 1938
Type Residential
Sub-Type Townhome
Style Cottage,Mediterranean/Spanish
Status Active

Community Information

Address 142 6th Street
Area OC - SEAL BEACH (90740)
City Seal Beach
County Orange
State CA
Zip Code 90740

Amenities

Parking Spaces 4
Parking Garage
# of Garages 4
View City Lights,Mountains/Hills,Neighborhood,Panoramic,Peek-A-Boo
Is Waterfront No
Has Pool No
Pool N/K

Interior

Interior Features Track Lighting,Vacuum Central
Appliances Dishwasher,Microwave
Heating Forced Air Unit
Cooling Central Forced Air
Fireplace Yes
Fireplaces FP in Living Room
# of Stories 2
Stories 3 Story

Exterior

Lot Description Sidewalks
Roof Tile/Clay

Additional Information

Date Listed June 16th, 2026
Days on Market 51
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

OfficePacific Sotheby's Int'l Realty

Listing Map

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