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For Sale|QuadruplexActive

4703 River, Newport Beach, CA 92663

  • 4,650 sq ft
  • Built 2021

MLS# OC26131277 · Listed Jun 17, 2026 · 136 Days On Site

The home

About 4703 River

This exceptional 4-unit income property represents a rare offering on the coveted Newport Beach Peninsula. The property consists of four distinct residences that all feel like true single family living spanning 10 bedrooms and 10 total bathrooms. With a combined 4,800 sf living space, the property is configured as two 3BR/3BA and two 2BR/2BA units with covered parking. Raised ceilings in the upstairs units provide a massive sense of depth giving the larger units a uniqueness that is hardly found in the traditional multifamily setting. Featuring luxury vinyl plank flooring, quartz countertops, Andersen windows and doors, and an all-stucco exterior designed for low-maintenance beach living and built with the highest of quality and care. Stroll to the beach, boardwalk, bay, surf spots, local cafés, restaurants, boutique shops, and everything the Newport Peninsula has to offer. Quick access to PCH keeps all of coastal Orange County within easy reach. A property of this size and of this quality is something that needs to be experienced in person to be appreciated! Please note:Property operates as four residences but is not legally permitted as a 4-unit building, originally permitted as two units in 2021.

Property details for 4703 River

This fourplex sits in the West Newport Beach neighborhood of Newport Beach in Orange County. It has 4,650 square feet of living space and is listed at $5,900,000, about $1,269 per square foot. The home was built in 2021. The MLS record lists the assessor parcel number as 424-411-05. Highlights include ocean views, a fireplace, and central air.

Specifications

Home Details

General Features

Property Type
Quadruplex
MLS Number
OC26131277
Year Built
2021
Lot Size (sq ft)
4,792
Lot Size (acres)
0.11
Levels
Three Or More
Parking Spaces
2
View
Ocean
Parcel Number
42441105
On Market Date
2026-06-17
Listing Terms
Standard

Interior Features

Interior Features
Built In Features, Balcony, Instant Hot Water
Appliances
Electric Range, Gas Range, Gas Water Heater, Range Hood, Water To Refrigerator, Water Heater
Flooring
Vinyl
Heating
Forced Air
Cooling
Central Air
Fireplace
Dining Room, Gas, Kitchen, Living Room, Primary Bedroom
Laundry
Washer Hookup, Gas Dryer Hookup
Entry Level
1
Common Walls
No Common Walls
Windows
Casement Windows
Doors
Energy Star Qualified Doors
Rooms
Primary Bedroom, Kitchen, Living Room

Exterior Features

Exterior Features
Rain Gutters
Roof
Asphalt
Foundation
Slab
Lot Features
Two To Five Units Acre, No Landscaping
Parking
Attached Carport, Assigned
Fencing
Vinyl
Pool Features
None
Sewer
Public Sewer
Water
Public
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Water Connected
Units
4

Community Features

Subdivision
West Newport Beach (WSNB)
Community Features
Biking, Curbs, Dog Park, Fishing, Hiking, Park, Street Lights, Sidewalks, Water Sports

The record

Property History for 4703 River

DateEventPriceNote
Jun 17, 2026 Listed for sale $5,900,000
Jan 30, 2018 Sold $1,725,000 Arbor Real Estate

Added by Realatrends Real Estate

Flood, Fire and Earthquake Zones for 4703 River

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 06059C0377K 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 13 of 13 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 13 of 13.

FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590635006044, not for this address. Not endorsed by the FCC. Checked October 15, 2026.

EV charging

Nearest public charger 0.4 miles away (Blink, 4 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

Cost of ownership

Estimated monthly payment

7.24% · 30-yr fixed
$
$45,432/mo
10% down · 30-year fixed · $590,000 down
Principal & interest$36,188
Mortgage insurance (est., over 80% LTV)$2,213
Property tax (est. 1.08%)$5,310
Home insurance (rough est., varies widely)$1,721
HOANot reported, not included
$39,198/mo
20% down · 30-year fixed · $1,180,000 down
Principal & interest$32,167
Property tax (est. 1.08%)$5,310
Home insurance (rough est., varies widely)$1,721
HOANot reported, not included
$35,177/mo
30% down · 30-year fixed · $1,770,000 down
Principal & interest$28,146
Property tax (est. 1.08%)$5,310
Home insurance (rough est., varies widely)$1,721
HOANot reported, not included
Estimated carrying cost
$7,031/mo
All cash · taxes and insurance only
Principal & interestNone (cash purchase)
Property tax (est. 1.08%)$5,310
Home insurance (rough est., varies widely)$1,721
HOANot reported, not included

Estimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 7.24% (week of Oct 29, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical Newport Beach rate, excluding Mello-Roos. Verify all figures. Full assumptions and disclosures.

Next steps

Buying 4703 River

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Selling near 4703 River

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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.

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Listed by Jeff Cefalia of Cefalia Real Estate

Listing information updated Sep 8, 2026 at 12:42 PM PT. Source: CRMLS.

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