Sold
314 Onyx Avenue sold on September 28, 2021 for $3,200,000, 2.9% below the $3,295,000 asking price after 7 days on the market. The buyer paid cash. The details are below for reference.
314 Onyx Avenue, Newport Beach, CA 92662
- 6 beds
- 4 baths
- 2,528 sq ft
- Built 1963
Own 314 Onyx 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
The home
About 314 Onyx Avenue
Outstanding turnkey Island duplex located close to town, shops, dining, and more. This large custom home was remodeled in 2015 offering an abundance of options with an outstanding floorplan, which can be used as two separate 3-bedroom, 2-bath "townhome" style units, or as one large 6-bedroom home with a large two-car carport. The main unit offers a large sunny front patio, living room, kitchen with Carrara marble countertops, 3 bedrooms, and 2 baths. The rear unit almost mirrors the front part of the house with a separate entrance, living and dining areas, picturesque kitchen with marble countertops, 3 bedrooms upstairs, 2 baths, and a large outdoor deck area off the back of the home. Situated just a block from town, the house is conveniently located on the nice, wide "300 block" of Onyx with easy access on and off the Island. This a great opportunity for an excellent primary/second home, or as an investment property with it's excellent rental history. Don't miss out!
Property details for 314 Onyx Avenue
This 6-bedroom, 4-bath duplex sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 2,528 square feet of living space. The home was built in 1963. The MLS record lists the assessor parcel number as 050-152-34.
Specifications
Home Details
General Features
- Property Type
- Duplex
- MLS Number
- NP21194288
- Year Built
- 1963
- Living Area (sq ft)
- 2,528
- Living Area Source
- Assessor
- Lot Size (sq ft)
- 2,550
- Lot Size (acres)
- 0.0585
- Levels
- Two
- Bedrooms
- 6
- Full Baths
- 2
- Parking Spaces
- 2
- View
- None
- Parcel Number
- 05015234
- On Market Date
- 2021-09-02
- Listing Terms
- Standard
Interior Features
- Interior Features
- Multiple Staircases, All Bedrooms Up
- Cooling
- None
- Fireplace
- None
- Laundry
- Outside
- Main Level Bathrooms
- 2
- Common Walls
- One Common Wall
Exterior Features
- Lot Features
- Rectangular Lot
- Pool Features
- None
- Sewer
- Public Sewer
- Water
- Public
- Units
- 2
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Sidewalks
The record
Property History for 314 Onyx Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Sep 28, 2021 | Sold | $3,200,000 | |
| Sep 26, 2021 | Status changed to Pending | From Active Under Contract | |
| Sep 9, 2021 | Status changed to Active Under Contract | From Active | |
| Sep 2, 2021 | Listed for sale | $3,295,000 | |
| Dec 5, 2014 | Sold | $1,725,000 | Abrams Coastal Properties |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 314 Onyx 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 X, 0.2 percent annual chance flood hazard. Outside 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 1,000 Mbps, at 32 of 34 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 27 of 34. Fixed wireless: GeoLinks, up to 1,000 Mbps, at 2 of 34.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630062028, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.6 miles away (ChargePoint, 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
314 Onyx 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 314 Onyx 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 4, 2025 to Nov 4, 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
Schools
School District for 314 Onyx 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.
Nearby listings
Similar Homes for Sale in Newport Beach
Nearby sales
Recently Sold Near 314 Onyx Avenue
Just 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 314 Onyx 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
- 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 Ryan Gunderson of Abrams Coastal Properties
Listing information updated Jul 25, 2023 at 7:57 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.