$3,450,000
121 Marine AvenueNewport Beach, CA 92662Balboa Island - Main Island
Sold
311 Ruby Avenue sold on June 4, 2021 for $3,200,000. The details are below for reference.
311 Ruby Avenue, Newport Beach, CA 92662
- 2,658 sq ft
- Built 1948
Own 311 Ruby Avenue? Request a free home valuation to see what it is worth today.
$3,200,000
Subdivision Balboa Island - Main Island
14 duplexes sold in the past 12 months · median $3,764,855
This home has a newer listing: MLS OC22258304 (Sold).
The home
About 311 Ruby Avenue
Welcome to 311 and 311 ½ Ruby Avenue, arguably one of the best locations on Balboa Island. Sitting on an oversized 45 foot lot this incredible duplex is a perfect inside and out. The front unit, 311 Ruby, features 3 bedrooms, 2 bathrooms. The unit opens to a beautiful side yard ideal for entertaining while taking in the beach breeze. The light and bright upstairs unit, 311 ½ Ruby, is a 1 bed, 1 bath unit located over the garage offering privacy to both tenants. Completing this beach retreat the property offers a 2 car garage, ample parking for both units and is centrally located to all of Balboa Islands activities, the ferry, restaurants, shopping and many local attractions. This is a perfect owner user opportunity or a great rental on the only street with a closed off swim area on the Island!
Property details for 311 Ruby Avenue
This duplex sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 2,658 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, and a two-car garage.
Specifications
Home Details
General Features
- Property Type
- Duplex
- MLS Number
- NP21039445
- Year Built
- 1948
- Lot Size (sq ft)
- 3,920
- Lot Size (acres)
- 0.09
- Levels
- One
- Garage Spaces
- 2
- Parking Spaces
- 4
- Parcel Number
- 05008116
- On Market Date
- 2021-02-26
- Listing Terms
- Standard
Interior Features
- Heating
- Central
- Cooling
- None
- Fireplace
- Living Room
- Laundry
- In Garage
- Common Walls
- One Common Wall
Exterior Features
- Lot Features
- Two To Five Units Acre
- Parking
- Assigned, Garage, Other
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer
- Water
- Public
- Units
- 2
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs
The record
Property History for 311 Ruby Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Feb 1, 2023 | Sold | $3,800,000 | Coldwell Banker Realty |
| Jun 4, 2021 | Sold | $3,200,000 | |
| Mar 27, 2021 | Status changed to Pending | From Active Under Contract | |
| Mar 12, 2021 | Status changed to Active Under Contract | From Active | |
| Feb 26, 2021 | Listed for sale | $3,495,000 |
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.
Selling near 311 Ruby Avenue
Thinking of selling nearby? We bring current Balboa Island - Main Island 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.
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 3, 2025 to Nov 3, 2026. Days on market run from listing to going under contract.
Recent Balboa Island - Main Island sales
| Address | Closed | Price | Sq ft | Per sq ft | Days 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 |
See 18 homes for sale in Balboa Island - Main Island Newport Beach housing market
Nearby listings
Similar Homes for Sale in Newport Beach
$3,195,000
122 AgateNewport Beach, CA 92662Balboa Island - Main Island
$3,395,000
4Beds2Baths1,896SqFt
211 Cypress StreetNewport Beach, CA 92661Balboa Peninsula (Residential)
$3,385,000
125 41stNewport Beach, CA 92663West Newport Beach
$3,295,000
1200 W BalboaNewport Beach, CA 92661Balboa Peninsula (Residential)
$3,200,000
Newport BeachSee every home for sale in Newport BeachNearby sales
Recently Sold Near 311 Ruby Avenue
$4,900,000
215 MarineNewport Beach, CA 92662Sold Jun 15, 2026
$3,800,000
222 MarineNewport Beach, CA 92662Sold May 26, 2026
$4,500,000
200 E Balboa BoulevardNewport Beach, CA 92661Sold Feb 9, 2026
$3,200,000
1532 Miramar DriveNewport Beach, CA 92661Sold Feb 25, 2026
$2,200,000
612 W Balboa BoulevardNewport Beach, CA 92661Sold May 22, 2026
$2,650,000
820 W Balboa BoulevardNewport Beach, CA 92661Sold Apr 7, 2026
$3,720,000
510 AvocadoNewport Beach, CA 92625Sold Aug 27, 2026
Newport BeachSee every recent sale in Newport BeachJust listed
Newest Newport Beach Homes for Sale
Explore
Explore Newport Beach Real Estate
See every home for sale in Newport Beach, or search the full Orange County MLS on our live homes search. Questions about 311 Ruby Avenue? Talk to Realatrends.
- Newport Beach Homes for Sale
- Balboa Island - Main Island Homes for Sale
- Newport Beach 92662 Homes for Sale
- Newport Beach Multi-Family Properties for Sale
- Newport Beach Single-Story Homes for Sale
- Corona del Mar
- Newport Coast
- Balboa Peninsula & Island
- Newport Beach Waterfront Homes
- Newport Beach vs Newport Coast
- Beaches in Newport Beach
- Newport Beach Schools
- Newport Beach Selling a Home in Newport Beach
- Newport Beach Buying a Home in Newport Beach
- Newport Beach Open Houses
- Orange County Real Estate
Explore Orange County
Browse Homes by City
Listing alerts
Be first to see new Newport Beach listings
What criteria are you looking for?
New Newport Beach homes by email, often before they reach the big portals.
You are all set.
Listed by Kimberly Bibb of Villa Real Estate
Listing information updated Jun 4, 2021 at 1:59 PM PT. Source: CRMLS.
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.