
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
- Beds
- 7
- Baths
- 4
- Sq Ft
- 2,724
- Per Sq Ft
- $3,377
- Built
- 1979
- Garage
- 4-car
Call Clark Smith (949) 494-8830
Subdivision Balboa Peninsula (Residential)
7 duplexes sold in the past 12 months · median $6,600,000
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
| Date | Event | Price | Note |
|---|---|---|---|
| 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
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
| Address | Closed | Price | Sq ft | Per sq ft | Days 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
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Listed by Tara McNabb of Compass
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. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.
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