$3,195,000
122 AgateNewport Beach, CA 92662Balboa Island - Main Island
Sold
126 Diamond Avenue sold on November 2, 2018 for $2,800,000. The details are below for reference.
126 Diamond Avenue, Newport Beach, CA 92662
- 2,709 sq ft
- Built 1969
Own 126 Diamond Avenue? Request a free home valuation to see what it is worth today.
$2,800,000
Subdivision Balboa Island - Main Island
14 duplexes sold in the past 12 months · median $3,764,855
The home
About 126 Diamond Avenue
Welcome to Balboa Island with this stunning remodeled duplex in the highly coveted 100-block of Diamond Avenue. With a convenient mid-island location, this property provides easy access to the South Bay Front, Marine Avenue and the ferry, making this bright corner lot home ideal to enjoy all Balboa Island has to offer. This beach-chic home is perfect for someone to relish the coveted Balboa Island lifestyle while creating life-long memories with friends and family. With an ideal configuration, the front home offers three en-suite bedrooms, inclusive of a spacious ground level bedroom, and three and a half bathrooms. The kitchen is well appointed with Viking appliances and beautiful Pentax Quartz counters, and the living and dining rooms are spacious. The rear upper level home is impressive and features two bedrooms and one bathroom. The large living space is ideal for guests, extended family, or supplementing your income. Adjacent to Park Avenue, garage access is extremely convenient from the street, and offers unique additional parking for up to four automobiles. This is an incredible opportunity to own a large square footage property (larger than can be built today) in a great location. Enjoy everything that Balboa Island has to offer with amenities including; community parades and festivities, paddle boarding, boating, sailing, shopping and world class dining.
Property details for 126 Diamond Avenue
This duplex sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 2,709 square feet of living space. The home was built in 1969. The MLS record lists the assessor parcel number as 050-103-01. Highlights include a fireplace, a two-car garage, and an updated home.
Specifications
Home Details
General Features
- Property Type
- Duplex
- MLS Number
- NP18147100
- Year Built
- 1969
- Lot Size (sq ft)
- 2,614
- Levels
- Two
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- None
- Parcel Number
- 05010301
- On Market Date
- 2018-06-06
- Listing Terms
- Standard
Interior Features
- Interior Features
- Balcony, Open Floorplan, Stone Counters, Recessed Lighting, Bedroom On Main Level, Walk In Closets
- Appliances
- Dishwasher, Free Standing Range, Refrigerator
- Flooring
- Carpet, Tile
- Heating
- Central
- Cooling
- None
- Fireplace
- Family Room
- Laundry
- Laundry Closet
- Common Walls
- No Common Walls
Exterior Features
- Lot Features
- Corner Lot, Landscaped, Level
- Parking
- Door Multi, Garage, Garage Door Opener, Garage Faces Side
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer
- Water
- Public
- Condition
- Building Permit, Updated Remodeled
- Units
- 2
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs, Storm Drains, Street Lights, Sidewalks
The record
Property History for 126 Diamond Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Nov 2, 2018 | Sold | $2,800,000 | |
| Jun 6, 2018 | Listed for sale | $2,950,000 | |
| Oct 12, 2017 | Sold | $1,800,000 | Coldwell Banker Res. Brokerage |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 126 Diamond Avenue
We looked up this home's map point in public government maps. These facts are not part of the MLS listing.
Hazard 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.
Internet and charging
- Fixed internet
Fiber: AT&T, up to 1,000 Mbps, at 26 of 26 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 26 of 26. Fixed wireless: Verizon, up to 300 Mbps, at 26 of 26.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630061016, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.8 miles away (Tesla Destination, 2 Level 2 ports). 158 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
126 Diamond 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 126 Diamond 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 17 homes for sale in Balboa Island - Main Island Newport Beach housing market
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Listed by Kevin Kubiak of Compass
Listing information updated Jun 26, 2026 at 10:54 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.