Search
Beachfront Triplex with Studio ADU
For Sale
$3,540,000
Pending

1003 Seal, Seal Beach, CA 90740

Seal Beach, CA

Property Size2,392 SF
Lot Size0.06 Acres
Days on Market111

Property Features for 1003 Seal

General Information

Property type Residential Multi Family
Property subtype Triplex
Bedrooms 6
Bathrooms 4
Full bathrooms 4
Rooms Bedroom 5, Laundry Room, Bedroom 2, Bedroom 6, Bathroom 4, Bathroom 2, Bedroom 4, Kitchen, Bedroom 1, Bathroom 3, Bedroom 3, Bathroom 1
Parking 2
Interior features Balcony, Ceiling Fan(s)
Appliances 6 Burner Stove, Water Heater, Disposal, Microwave, Refrigerator, Dishwasher
Subdivision Old Town (OLDT)
Lot features 0-1 Unit/ Acre, Near Public Transit, Park Nearby
View Ocean
Elementary school district Los Alamitos Unified
Middle school district Los Alamitos Unified
High school district Los Alamitos Unified
Directions Located on Seal Way, Park on Ocean Ave near Main Street or in the south-side beach lot
Standard status Pending
APN 19910415
Size 2,392 SF
Lot size 0.06 Acres

Utilities

Sewer type Public Sewer
Heating system Floor Furnace, Wall Furnace
Water source Public

Amenities

folding glass doors
ocean-view balcony
beachfront deck
inside laundry
washer/dryer hookups
mini-split A/C
high ceilings

Building Details

Year built 1944
Floors in Building 2
Number of units 3
Listing Agency: Think Boutiq Real Estate
Listed By: Stacy Flanigan · License #02254120
Added: May 12 Changed: Aug 24 Last Checked: Aug 30 at 4:06AM
MLS# PW26099816

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 oceanfront triplex occupies a 0.0578-acre parcel and contains 2,392 square feet of improvements. The configuration includes an upper 2-bedroom, 2-bath residence with folding glass doors opening to an ocean-facing balcony, a lower 3-bedroom, 1-bath residence with an open living area, interior laundry, and access to a beachfront deck, plus a studio ADU above the garage. The ADU has high ceilings, modern finishes, mini-split A/C, and washer/dryer hookups.

The property includes two one-car garages and access to public water and public sewer. Built in 1944, it is located in Seal Beach near the pier, boardwalk, volleyball courts, playground, Main Street dining and shops, and major freeways. Interior features include ceiling fans, while heating is provided by floor and wall furnaces.

Key Highlights

  • Oceanfront triplex on a 0.0578‑acre parcel
  • 2,392 square feet of property improvements
  • Upper residence includes 2 bedrooms and 2 baths

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Food Market Daycare Center Grocery & Convenience Store Furniture & Home Goods Garden Center Locksmith

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

3
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

1,323
Businesses Nearby

Demographics for 90740, CA

24,769
Population
14,208
Households
1.7
Avg Household Size
61
Median Age
51%
College-Educated
95%
High-School Grad
11.1 sq mi
ZIP Area
2,231
Density / Sq Mi
$82,427
Median Household Income
$70,686
Median Earnings
$2,421
Median Rent
$488,400
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Triplex - Oceanfront income property with two residences, a studio ADU, garages, and flexible living arrangements.
Where is this triplex located?
The property is located at 1003 Seal Seal Beach, CA.
What is the asking price?
The asking price for this property is $3,540,000.
What are key features of this property?
This property features: Oceanfront triplex on a 0.0578‑acre parcel; 2,392 square feet of property improvements; Upper residence includes 2 bedrooms and 2 baths
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message