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Sold

3800 River Avenue sold on September 1, 2023 for $4,500,000, at the asking price after 70 days on the market; it was first listed at $4,995,000. The buyer financed the purchase. The details are below for reference.

DuplexSold · Sep 1, 2023

3800 River Avenue, Newport Beach, CA 92663

  • 7 beds
  • 3 baths
  • 2,476 sq ft
  • Built 1971

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$4,500,000

MLS# NP23081523

Subdivision West Newport Beach

6 duplexes sold in the past 12 months · median $3,525,000

See 21 homes for sale in West Newport Beach

The home

About 3800 River Avenue

Unlock the potential of a sterling opportunity with this rare-to-market corner lot duplex in Lido of Newport Beach. A lucrative investment, this property opens up a world of possibilities: you could occupy one unit while leasing the other or, for maximum return, rent both. The top unit features four bedrooms and two baths, while the second unit offers three bedrooms and one full bath. Commanding an enviable position on the bay, directly opposite Newport Island, this residence offers the epitome of seaside living. Benefits include not only water views and a private dock, perfect for boating, paddle boarding or kayaking enthusiasts, but also ease of access to the entire array of Newport Harbor waterways and beyond. The property's rare corner lot location also ensures a flood of natural light into both units, amplifying their appeal. Privacy and space are further enhanced by the adjoining sandy beach, offering the sense of exclusivity and tranquility. Beyond the bay, the famed Balboa Peninsula awaits exploration. Discover a beach renowned for its superb surf, verdant parks, art galleries, upscale boutiques, fine dining, and vibrant nightlife. Additional features of the property include an attached two-car garage and a brick fireplace in the living room, infusing the home with a cozy, welcoming ambiance. With its superb proximity to the beach, just two blocks away, and easy access to Newport Pier, Lido Village, cafés, shopping, the legendary "Wedge" surf spot, and the Lido House Hotel. Short-term lodging is permissible, however, there is currently no active permit.

Property details for 3800 River Avenue

This 7-bedroom, 3-bath duplex sits in the West Newport Beach neighborhood of Newport Beach in Orange County. It has 2,476 square feet of living space. The home was built in 1971. The MLS record lists the assessor parcel number as 423-304-07. Highlights include bay views, bay frontage, a fireplace, and an attached two-car garage.

Specifications

Home Details

General Features

Property Type
Duplex
MLS Number
NP23081523
Year Built
1971
Living Area (sq ft)
2,476
Living Area Source
Measured
Lot Size (sq ft)
2,858
Lot Size (acres)
0.0656
Levels
Two
Bedrooms
7
Full Baths
3
Garage Spaces
2
Parking Spaces
2
View
Bay, Water
Parcel Number
42330407
On Market Date
2023-05-19
Listing Terms
Standard

Interior Features

Interior Features
Built In Features, Ceiling Fans, Recessed Lighting
Flooring
Carpet
Cooling
None
Fireplace
Living Room
Laundry
In Garage
Main Level Bedrooms
7
Main Level Bathrooms
3
Entry Level
1
Common Walls
No Common Walls
Windows
Blinds
Doors
French Doors

Exterior Features

Exterior Features
Dock
Lot Features
Corner Lot
Parking
Door Single, Garage, Garage Faces Rear
Pool Features
None
Spa
None
Sewer
Public Sewer
Water
Public
Units
2

Community Features

Subdivision
West Newport Beach (WSNB)
Community Features
Curbs

The record

Property History for 3800 River Avenue

DateEventPriceNote
Sep 1, 2023 Sold $4,500,000
Aug 22, 2023 Status changed to Pending From Active Under Contract
Jul 28, 2023 Status changed to Active Under Contract From Active
Jul 14, 2023 Price reduced $4,500,000 From $4,995,000
May 19, 2023 Listed for sale $4,995,000

No prior MLS sales on record for this home since 2012.

Added by Realatrends Real Estate

Flood, Fire and Earthquake Zones for 3800 River Avenue

We looked up this home's map point in public government maps. These facts are not part of the MLS listing.

Hazard zones

Flood zone

Zone X, 0.2 percent annual chance flood hazard. Outside FEMA's Special Flood Hazard Area.

FEMA National Flood Hazard Layer, FIRM panel 06059C0381K effective March 21, 2019. Checked October 15, 2026.

Fire hazard severity zone

Not in a fire hazard severity zone on the State Fire Marshal's map.

CAL FIRE, State Fire Marshal map for Local Responsibility Areas, March 24, 2025. Checked October 15, 2026.

Earthquake fault zone

Outside the Alquist-Priolo Earthquake Fault Zones.

California Geological Survey, Earthquake Fault Zones map, Newport Beach quadrangle, released July 1, 1986. Checked October 15, 2026.

Liquefaction zone

Inside a Seismic Hazard Zone for liquefaction.

California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.

Landslide zone

Outside the earthquake-induced landslide zones.

California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.

Tsunami hazard area

Inside the Tsunami Hazard Area on the State's evacuation planning map.

California Geological Survey and Cal OES, Tsunami Hazard Area map for Orange County (2021). Checked October 15, 2026.

Internet and charging

Fixed internet

Fiber: AT&T, up to 5,000 Mbps, at 7 of 7 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 7 of 7. Fixed wireless: Verizon, up to 300 Mbps, at 7 of 7.

FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590635003012, not for this address. Not endorsed by the FCC. Checked October 15, 2026.

EV charging

Nearest public charger 0.3 miles away (ChargePoint, 2 Level 2 ports). 114 public charging ports within 3 miles.

U.S. Department of Energy, Alternative Fuels Data Center. Straight-line distance. Checked October 15, 2026.

These facts are for the listing's map point, which can sit off the lot. A zone line can also cross a lot, and agencies revise their maps. In cities, the fire zone line follows the State Fire Marshal's 2025 map; each city adopts its own map and may add areas. These lines are not a Natural Hazard Disclosure. Check the official maps and the seller's disclosures before you rely on them. Sources for the earthquake zone lines: Reproduced with permission, California Geological Survey, Webservice of Official Maps of Alquist-Priolo Earthquake Fault Zones (2025). Reproduced with permission, California Geological Survey, Webservice of Official Maps of Seismic Hazard Zones (2025).

Official maps

Next steps

Looking for something similar

3800 River Avenue 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 3800 River Avenue

Thinking of selling nearby? We bring current West Newport Beach 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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The neighborhood

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.

West Newport Beach home sales, past 12 months

Homes sold
6
Median price
$3,525,000
Median days on market
81
Median per sq ft
$2,117

Recorded MLS closings of duplexes, Nov 4, 2025 to Nov 4, 2026. Days on market run from listing to going under contract.

Recent West Newport Beach sales

AddressClosedPriceSq ftPer sq ftDays on market
106 31st Street Jul 10, 2026 $4,175,000 1,534 $2,722 95
203 Cedar Street A & B Jun 18, 2026 $2,650,000 1,804 $1,469 67
304 33rd Street Apr 23, 2026 $2,170,000 1,100 $1,973 128
3917 Seashore Apr 23, 2026 $5,500,000 2,433 $2,261 0
213 41st Apr 14, 2026 $2,875,000 2,589 $1,110 153

Schools

School District for 3800 River Avenue

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

The MLS record lists the school district as Newport Mesa Unified.

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

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Listed by Tim Smith of Coldwell Banker Realty

Listing information updated Sep 1, 2023 at 4:37 PM PT. Source: CRMLS.

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