REALATRENDS REAL ESTATE SERVICES, INC 949·494·8830
REALATRENDS

Sold

4103 Seashore sold on January 8, 2026 for $9,200,000, 8% below the $10,000,000 asking price after 31 days on the market. The buyer paid cash. The details are below for reference.

4103 Seashore, Newport Beach, CA 92663

$9,200,000
Beds
7
Baths
4
Sq Ft
2,724
Per Sq Ft
$3,377
Built
1979
Garage
4-car

DuplexSold

Call Clark Smith (949) 494-8830

Subdivision Balboa Peninsula (Residential)

7 duplexes sold in the past 12 months · median $6,600,000

See homes for sale in Balboa Peninsula

About 4103 Seashore

Two active short-term rental permits make this oceanfront seven-bedroom duplex one of the most exclusive and desirable investment opportunities in Newport Beach. With permits nearly impossible to obtain, this property offers immediate income potential and exceptional long-term value.

Spanning approximately 2,724 square feet, both residences sit directly on the sand, showcasing sweeping ocean views and effortless indoor-outdoor living. Ideal for a dual-income vacation rental, multi-generational retreat, or a combination of both, this property captures the ultimate coastal lifestyle.

A rare four-car garage provides outstanding parking and storage—an uncommon luxury for an oceanfront property. Perfectly positioned along Seashore Drive, this is a one-of-a-kind opportunity to own a fully furnished, income-generating oceanfront duplex in one of Southern California’s most coveted beachfront locations.

Property details for 4103 Seashore

This 7-bedroom, 4-bath duplex sits in the Balboa Peninsula (Residential) neighborhood of Newport Beach in Orange County. It offers 2,724 square feet of living space. The home was built in 1979. The MLS record lists the assessor parcel number as 423-314-05. Highlights include ocean and Catalina views, ocean frontage, a fireplace, single-story living, and an attached four-car garage. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.

Home Details

Price
$9,200,000
Days On Site
N/A
Bedrooms
7
Inside Area (SqFt)
2,724 sqft
Total Baths
4
Full Baths
4
Partial Baths
N/A
Lot Size
N/A
Year Built
1979
MLS® Number
OC25252893
Status
Sold
Property Tax
N/A
HOA/Condo/Coop Fees
N/A
Sq Ft Source
Assessor

General Features

Property Type
Duplex
MLS Number
OC25252893
Year Built
1979
Living Area (sq ft)
2,724
Living Area Source
Assessor
Lot Size (sq ft)
2,452
Lot Size (acres)
0.0563
Levels
One, Two
Bedrooms
7
Full Baths
4
Garage Spaces
4
Parking Spaces
4
View
Catalina, Ocean
Parcel Number
42331405
On Market Date
2025-11-03
Listing Terms
Standard

Interior Features

Cooling
None
Fireplace
Living Room
Laundry
Inside
Main Level Bedrooms
3
Main Level Bathrooms
2
Entry Level
1
Common Walls
No Common Walls

Exterior Features

Lot Features
Rectangular Lot
Pool Features
None
Sewer
Public Sewer
Water
Public
Units
2

Community Features

Subdivision
Balboa Peninsula (Residential) (BALP)
Community Features
Water Sports

Property History for 4103 Seashore

DateEventPriceNote
Jan 8, 2026 Sold $9,200,000
Nov 3, 2025 Listed for sale $10,000,000
Jul 9, 2022 Sold $8,002,000 Harcourts Prime Properties

About Newport Beach

Set along the Pacific in Orange County, Newport Beach surrounds Newport Harbor, where Balboa Island, Lido Isle, and the Balboa Peninsula frame one of California's largest recreational harbors. The city stretches from the Balboa and Newport piers to Corona del Mar and Fashion Island, within the Newport-Mesa Unified School District.

Balboa Peninsula (Residential) home sales, past 12 months

7Homes sold
$6,600,000Median price
12Median days on market
$2,486Median per sq ft

Recorded MLS closings of duplexes, Sep 20, 2025 to Sep 20, 2026. Days on market run from listing to going under contract.

Recent Balboa Peninsula (Residential) sales

AddressClosedPriceSq ftPer sq ftDays on market
5901 Seashore Drive Jul 31, 2026 $9,500,000 3,185 $2,983 40
213 33rd Street May 28, 2026 $2,616,000 1,451 $1,803 7
1204 E Balboa Boulevard Feb 5, 2026 $6,600,000 2,516 $2,623 183
4103 Seashore Jan 8, 2026 $9,200,000 2,724 $3,377 31
4208 River Dec 16, 2025 $4,350,000 1,750 $2,486 6

School District for 4103 Seashore

As listed in the MLS record. Confirm attendance boundaries with the school district.

The MLS record lists the Newport Mesa Unified.

Living in Newport Beach covers its schools, parks and beaches.

Looking for something similar

4103 Seashore is no longer on the market, but comparable homes come up in Newport Beach regularly. We can tell you what this one actually closed at and set up alerts for listings that match it.

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Selling near 4103 Seashore

Thinking of selling nearby? We bring current Balboa Peninsula (Residential) sales data and a clear pricing strategy to every listing, backed by more than 700 closed sales and over $1B in Orange County volume. Start with a free home valuation, or reach out to talk through your options.

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Listed by Tara McNabb of Compass

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