Sold
218 Onyx Avenue sold on June 5, 2017 for $1,900,000, 0.3% above the $1,895,000 asking price after 10 days on the market; it was first listed at $18,950,009. The buyer financed the purchase. The details are below for reference.
218 Onyx Avenue, Newport Beach, CA 92662
- 2 beds
- 1 bath
- 1,246 sq ft
- Built 1938
Own 218 Onyx Avenue? Request a free home valuation to see what it is worth today.
$1,900,000
Subdivision Balboa Island - Main Island
14 duplexes sold in the past 12 months · median $3,764,855
This home has a newer listing: MLS OC19261012 (Sold).
The home
About 218 Onyx Avenue
Charming Balboa Island home with guest apartment over the garage. Both the home and guest apartment have high ceilings and are loaded with charm. The main house has wood floors, a cherry fireplace, beautiful bath and kitchen. It also has a brick patio facing the street and a large private patio in the rear between the house and garage.
The apartment over the garage is a one bedroom and is rented for $1,500 on a month to month agreement. The photos on the MLS contain a floor plan of the apartment in order to reduce any inconvenience to the tenant. A beautiful color brochure is available in the house and it also contains the image of the apartment's floor plan.
Property details for 218 Onyx Avenue
This 2-bedroom, 1-bath duplex sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 1,246 square feet of living space. The home was built in 1938. The MLS record lists the assessor parcel number as 050-162-05. Highlights include a fireplace, single-story living, and a two-car garage.
Specifications
Home Details
General Features
- Property Type
- Duplex
- MLS Number
- LG17075603
- Year Built
- 1938
- Living Area (sq ft)
- 1,246
- Lot Size (sq ft)
- 2,614
- Levels
- One
- Bedrooms
- 2
- Full Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- Neighborhood
- Parcel Number
- 05016205
- On Market Date
- 2017-04-10
- Listing Terms
- Standard
Interior Features
- Interior Features
- All Bedrooms Down
- Cooling
- None
- Fireplace
- Living Room
- Main Level Bedrooms
- 2
- Main Level Bathrooms
- 1
- Common Walls
- No Common Walls
Exterior Features
- Lot Features
- Eleven To Fifteen Units Acre
- Pool Features
- None
- Sewer
- Public Sewer
- Water
- Public
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs, Street Lights, Sidewalks
The record
Property History for 218 Onyx Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Feb 28, 2020 | Sold | $2,800,000 | Coldwell Banker Res. Brokerage |
| Jun 5, 2017 | Sold | $1,900,000 | |
| Apr 10, 2017 | Listed for sale | $18,950,009 |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 218 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, 1.0 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 27 of 27 residential locations in this census block. Fiber: Spectrum, up to 1,000 Mbps, at 2 of 27. Cable: Spectrum, up to 1,000 Mbps, at 22 of 27.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630062030, 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). 156 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
218 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 218 Onyx 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
| 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 218 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.
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Listed by Frederick Balzer of Berkshire Hathaway HomeService
Listing information updated Jun 27, 2026 at 7:04 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.