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311 Ruby Avenue sold on February 1, 2023 for $3,800,000, 1.9% below the $3,875,000 asking price on its first day on the market. The buyer paid cash. The details are below for reference.

DuplexSold · Feb 1, 2023

311 Ruby Avenue, Newport Beach, CA 92662

  • 4 beds
  • 3 baths
  • 1,931 sq ft
  • Built 1948

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$3,800,000

MLS# OC22258304

Subdivision Balboa Island - Main Island

14 duplexes sold in the past 12 months · median $3,764,855

See 17 homes for sale in Balboa Island - Main Island

The home

About 311 Ruby Avenue

Charming Balboa Island Duplex on an oversized lot with 45 feet of frontage. Front unit features 3 bedrooms and 2 bathrooms, wood floors, updated kitchen and baths, high ceilings and an expansive, private side yard ideal for entertaining. The oversized back unit is light and bright with 1 bedroom and 1 bathroom located above the 2 car garage, giving each unit privacy. Ample parking available next to garage for golf cart, toys and cars,

A short walk to highly desirable "Ruby Beach," the ferry, and local shops and restaurants, this classic Balboa Island property is perfect to enjoy as is, or use to provide income now and develop in the future.

Property details for 311 Ruby Avenue

This 4-bedroom, 3-bath duplex sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 1,931 square feet of living space. The home was built in 1948. The MLS record lists the assessor parcel number as 050-081-16. Highlights include a fireplace, single-story living, an attached two-car garage, and cottage architecture.

Specifications

Home Details

General Features

Property Type
Duplex
MLS Number
OC22258304
Year Built
1948
Living Area (sq ft)
1,931
Living Area Source
Assessor
Lot Size (sq ft)
3,920
Lot Size (acres)
0.09
Levels
One
Bedrooms
4
Full Baths
2
Half Baths
1
Garage Spaces
2
Parking Spaces
4
View
Neighborhood
Parcel Number
05008116
On Market Date
2023-01-06
Listing Terms
Standard

Interior Features

Interior Features
Beamed Ceilings, Ceiling Fans, Separate Formal Dining Room, Granite Counters, High Ceilings, Living Room Deck Attached, Unfurnished, All Bedrooms Down, Bedroom On Main Level, Main Level Primary
Appliances
Dishwasher, Gas Range, Gas Water Heater, Microwave, Refrigerator, Water Heater
Flooring
Wood
Heating
Central
Cooling
None
Fireplace
Living Room
Laundry
In Garage
Main Level Bedrooms
3
Main Level Bathrooms
2
Common Walls
No Common Walls

Exterior Features

Architectural Style
Cottage
Foundation
Slab
Lot Features
Two To Five Units Acre
Patio and Porch
Brick, Patio
Parking
Carport, Door Single, Garage, Garage Faces Rear, One Space
Fencing
Wood
Pool Features
None
Spa
None
Sewer
Public Sewer
Water
Public
Utilities
Cable Available
Units
2

Community Features

Subdivision
Balboa Island - Main Island (BALM)
Community Features
Biking, Curbs, Water Sports

The record

Property History for 311 Ruby Avenue

DateEventPriceNote
Feb 1, 2023 Sold $3,800,000
Jan 13, 2023 Status changed to Pending From Active Under Contract
Jan 6, 2023 Status changed to Active Under Contract From Active
Jan 6, 2023 Listed for sale $3,875,000
Jun 4, 2021 Sold $3,200,000 Villa Real Estate

Added by Realatrends Real Estate

Flood, Fire and Earthquake Zones for 311 Ruby Avenue

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

Hazard and noise zones

Flood zone

Zone AO, inside FEMA's Special Flood Hazard Area.

FEMA National Flood Hazard Layer, FIRM panel 06059C0382K 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.

Airport noise

Outside John Wayne Airport's 60 dB CNEL noise contour, 0.9 miles from it.

Airport Land Use Commission for Orange County, Airport Environs Land Use Plan noise contours. Checked October 15, 2026.

Internet and charging

Fixed internet

Fiber: AT&T, up to 5,000 Mbps, at 26 of 26 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 26 of 26. DSL: AT&T, up to 10 Mbps, at 1 of 26.

FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630061002, not for this address. Not endorsed by the FCC. Checked October 15, 2026.

EV charging

Nearest public charger 0.7 miles away (Tesla Destination, 2 Level 2 ports). 160 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

311 Ruby 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 311 Ruby Avenue

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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.

Balboa Island - Main Island home sales, past 12 months

Homes sold
14
Median price
$3,764,855
Median days on market
60
Median per sq ft
$1,662

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

Recent Balboa Island - Main Island sales

AddressClosedPriceSq ftPer sq ftDays on market
224 Amethyst Sep 29, 2026 $3,736,710 2,805 $1,332 115
118 Emerald Aug 20, 2026 $3,350,000 1,893 $1,770 79
1403 N Bayfront Aug 3, 2026 $5,600,000 2,105 $2,660 27
216 Amethyst Jul 30, 2026 $3,180,000 2,363 $1,346 147
302 S Bay Front Jun 25, 2026 $7,105,000 2,926 $2,428 60

Schools

Schools for 311 Ruby Avenue

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

Elementary
Lincoln
Middle
Corona Del Mar
High
Corona Del Mar
District
Newport Mesa Unified

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

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Listed by Georgie Fenton of Coldwell Banker Realty

Listing information updated Feb 2, 2023 at 10:02 AM PT. Source: CRMLS.

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