Sold
333 Onyx Avenue sold on June 20, 2016 for $2,320,000, 7% below the $2,495,000 asking price after 253 days on the market; it was first listed at $2,650,000. The buyer financed the purchase with a conventional loan. The details are below for reference.
333 Onyx Avenue, Newport Beach, CA 92662
- 3 beds
- 3 baths
- 3,000 sq ft
- 3,400 sq ft lot
- Built 1941
Own 333 Onyx Avenue? Request a free home valuation to see what it is worth today.
$2,320,000
Subdivision Balboa Island - Main Island
23 single-family homes sold in the past 12 months · median $4,875,000
The home
About 333 Onyx Avenue
OVERSIZE LOT! Beautiful Balboa Island home 60 steps to the North Bay Front and wide sandy beach. This unique property is on a rare 40 foot wide lot and has a large apartment at the back. The main house has two bedrooms upstairs and one down, and two beautiful marble baths. There is a ground floor office as well. WATER VIEW! Watch the yachts and kayaks from the dining area and kitchen. Four sided fireplace. The side patio gives an indoor/outdoor feel. The large front patio extends the living area and is great for entertaining. The spacious apartment features two bedrooms and one bath.
Property details for 333 Onyx Avenue
This 3-bedroom, 3-bath single-family home sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 3,000 square feet of living space on a 3,400-square-foot lot. The home was built in 1941. The MLS record lists the assessor parcel number as 050-141-34. Highlights include bay views, a fireplace, a two-car garage, and cottage architecture.
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP15223554
- Year Built
- 1941
- Living Area (sq ft)
- 3,000
- Living Area Source
- Other
- Lot Size (sq ft)
- 3,400
- Lot Size (acres)
- 0.078
- Levels
- Two
- Bedrooms
- 3
- Full Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- Bay, Water
- Parcel Number
- 05014134
- On Market Date
- 2015-10-12
- Zoning
- R-1.5
- Listing Terms
- Standard
Interior Features
- Interior Features
- Breakfast Bar, Ceiling Fans, Ceramic Counters, Eat In Kitchen, Granite Counters, Recessed Lighting, Bedroom On Main Level, Walk In Closets
- Appliances
- Double Oven, Dishwasher, Disposal, Gas Range, Gas Water Heater, Refrigerator, Trash Compactor, Tankless Water Heater
- Heating
- Forced Air
- Cooling
- None
- Fireplace
- Family Room, Gas, Living Room, See Through
- Laundry
- Common Area, Outside
- Common Walls
- One Common Wall
- Windows
- Blinds, Garden Windows, Wood Frames
- Accessibility
- Low Pile Carpet, Parking
Exterior Features
- Architectural Style
- Cottage
- Roof
- Shake
- Construction
- Stucco, Copper Plumbing
- Foundation
- Raised, Slab
- Lot Features
- Paved
- Patio and Porch
- Brick
- Parking
- Carport, Door Multi, Garage, Garage Door Opener, Garage Faces Side
- Pool Features
- None
- Spa
- None
- Sewer
- Sewer Tap Paid
- Water
- Public
- Utilities
- Overhead Utilities
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs, Street Lights, Sidewalks
The record
Property History for 333 Onyx Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Jun 20, 2016 | Sold | $2,320,000 | |
| Oct 12, 2015 | Listed for sale | $2,650,000 |
No prior MLS sales on record for this home since 2012.
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 333 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 5,000 Mbps, at 36 of 36 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 36 of 36. DSL: AT&T, up to 10 Mbps, at 1 of 36.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630062027, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.6 miles away (Tesla Destination, 2 Level 2 ports). 170 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
333 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 333 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
- 23
- Median price
- $4,875,000
- Median days on market
- 16
- Median per sq ft
- $2,590
Recorded MLS closings of single-family homes, 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 |
|---|---|---|---|---|---|
| 306 Alvarado Place | Nov 4, 2026 | $2,699,000 | 1,033 | $2,613 | 207 |
| 118 Sapphire | Oct 30, 2026 | $6,275,000 | 2,321 | $2,704 | 31 |
| 1207 N Bay Front | Oct 14, 2026 | $7,250,000 | 992 | $7,308 | 128 |
| 226 Opal | Oct 9, 2026 | $2,980,000 | 936 | $3,184 | 10 |
| 225 Diamond | Sep 29, 2026 | $7,585,000 | 2,312 | $3,281 | 43 |
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Listed by Paul Evans of Metro Estates
Listing information updated Jul 23, 2023 at 3:57 AM 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.