Sold
301 Diamond Avenue sold on June 9, 2020 for $3,075,000, 3.8% below the $3,195,000 asking price on its first day on the market. The buyer financed the purchase. The details are below for reference.
301 Diamond Avenue, Newport Beach, CA 92662
- 3 beds
- 5 baths
- 2,277 sq ft
- 2,550 sq ft lot
- Built 2016
Own 301 Diamond Avenue? Request a free home valuation to see what it is worth today.
$3,075,000
Subdivision Balboa Island - Main Island
22 single-family homes sold in the past 12 months · median $5,187,500
The home
About 301 Diamond Avenue
FOR COMP PURPOSES ONLY. Welcome to an impressive soft contemporary situated on a light and bright Balboa Island corner lot. This fabulous custom design, built in 2016, offers something rarely available: a modern Island beach house. Crafted with comfortable open-concept living and clean lines, this house blends the attractive home styles, usually only seen in LA beach communities. The large first floor provides a spacious living area with travertine floors, stone fireplace, bar area, as well as a gourmet kitchen with Quartzite countertops, Wolf and SubZero appliances, wine refrigerator, and stunning floor-to-ceiling dining area, affording outstanding light. The first level also includes excellent indoor/outdoor living space, with stackable doors leading to a broad and open front patio with firepit, BBQ, and more. The second floor begins with a sleek, glass railing catwalk across and over the dining area and offers a fantastic master retreat with walk-in closet, balcony, and a spa-like master bath with dual sinks and oversized walk-in shower. The second floor also offers two en suite guest rooms. The third level presents a wonderful sitting area, a powder bath, and a great roof deck with firepit, custom flooring, jacuzzi, and city-light views. The home also comes elevator ready, and is equipped with a large two-car garage.
Property details for 301 Diamond Avenue
This 3-bedroom, 5-bath single-family home sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 2,277 square feet of living space on a 2,550-square-foot lot. The home was built in 2016. The MLS record lists the assessor parcel number as 050-082-12. Highlights include peek-a-boo city lights views, a private spa, a fireplace, an attached two-car garage, central air, and an updated home.
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP20106785
- Year Built
- 2016
- Living Area (sq ft)
- 2,277
- Lot Size (sq ft)
- 2,550
- Lot Size (acres)
- 0.0585
- Levels
- Two, Three Or More
- Bedrooms
- 3
- Full Baths
- 1
- Half Baths
- 2
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- City Lights, Peek A Boo
- Parcel Number
- 05008212
- On Market Date
- 2020-06-09
- Zoning
- R1.5
- Listing Terms
- Standard
Interior Features
- Interior Features
- Wet Bar, Built In Features, Balcony, Cathedral Ceilings, Open Floorplan, Pantry, Bar, All Bedrooms Up, Primary Suite, Walk In Closets
- Appliances
- Six Burner Stove, Dishwasher, Freezer, Disposal, Ice Maker, Microwave, Refrigerator
- Flooring
- Carpet, Stone
- Heating
- Forced Air
- Cooling
- Central Air
- Fireplace
- Family Room, Gas
- Laundry
- Laundry Room, Upper Level
- Main Level Bathrooms
- 1
- Common Walls
- No Common Walls
- Windows
- Custom Coverings, Double Pane Windows
- Doors
- Panel Doors
Exterior Features
- Exterior Features
- Rain Gutters, Fire Pit
- Roof
- Metal, Tar Gravel
- Construction
- Stucco
- Lot Features
- Corner Lot
- Patio and Porch
- Patio, Rooftop
- Fencing
- Stone, Stucco Wall
- Pool Features
- None
- Spa
- Above Ground, Private, Roof Top
- Sewer
- Sewer Tap Paid
- Water
- Public
- Condition
- Updated Remodeled, Turnkey
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Street Lights, Sidewalks
The record
Property History for 301 Diamond Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Jun 9, 2020 | Sold | $3,075,000 | |
| Jun 9, 2020 | Listed for sale | $3,195,000 |
No prior MLS sales on record for this home since 2012.
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 301 Diamond 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 30 of 30 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 30 of 30. Fixed wireless: Verizon, up to 300 Mbps, at 30 of 30.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630061001, 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
301 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 301 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
- 22
- Median price
- $5,187,500
- Median days on market
- 15
- Median per sq ft
- $2,501
Recorded MLS closings of single-family homes, Nov 2, 2025 to Nov 2, 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 |
|---|---|---|---|---|---|
| 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 |
| 325 Grand Canal | Sep 28, 2026 | $4,400,000 | 2,542 | $1,731 | 16 |
See 18 homes for sale in Balboa Island - Main Island Newport Beach housing market
Schools
School District for 301 Diamond 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 Donald Abrams of Abrams Coastal Properties
Listing information updated Apr 30, 2021 at 10:16 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.