Sold
324 Diamond Avenue sold on July 30, 2020 for $3,075,000, 3.8% below the $3,195,000 asking price after 230 days on the market, including an earlier listing; it was first listed at $3,295,000. The buyer financed the purchase. The details are below for reference.
324 Diamond Avenue, Newport Beach, CA 92662
- 4 beds
- 4 baths
- 3,052 sq ft
- 3,570 sq ft lot
- Built 1957
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$3,075,000
Subdivision Balboa Island - Main Island
23 single-family homes sold in the past 12 months · median $4,875,000
The home
About 324 Diamond Avenue
PRICE REDUCED $100,000 on this fabulous 3052 sq ft 4 bedroom, 4 bath home on an oversized 3570 sq ft sunny corner lot. It has been beautifully updated with new wood grain floors, paint and light fixtures. First level includes living room with fireplace, Chefs kitchen and eating bar, separate dining room, 2 bedrooms and 2 bathrooms. One first floor bedroom can be used as a separate apartment with its own kitchenette and separate entrance. Flooded with light, the second level showcases a large master suite and balcony with bay view. Also an extra large bedroom with bath as well as a great room with kitchenette and balcony. A private sundeck with additional storage complements this level. Special amenities include 3 covered parking spaces and 1 additional open parking space. Dual zoned air conditioning and heating systems 3 refrigerators including 1 Sub Zero. 324 Diamond is an Island treasure awaiting its lucky new owner.
Property details for 324 Diamond Avenue
This 4-bedroom, 4-bath single-family home sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 3,052 square feet of living space on a 3,570-square-foot lot. The home was built in 1957. The MLS record lists the assessor parcel number as 050-083-02. Highlights include bay views, a fireplace, an attached three-car garage, and central air.
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP20012303
- Year Built
- 1957
- Living Area (sq ft)
- 3,052
- Lot Size (sq ft)
- 3,570
- Lot Size (acres)
- 0.082
- Levels
- Two
- Bedrooms
- 4
- Full Baths
- 1
- Garage Spaces
- 3
- Parking Spaces
- 3
- View
- Bay, Water
- Parcel Number
- 05008302
- On Market Date
- 2020-02-12
- Listing Terms
- Standard
Interior Features
- Interior Features
- Breakfast Bar, Built In Features, Breakfast Area, Ceiling Fans, Crown Molding, Separate Formal Dining Room, Granite Counters, High Ceilings, Recessed Lighting, Tile Counters, Bedroom On Main Level, Primary Suite
- Appliances
- Dishwasher, Electric Oven, Freezer, Gas Cooktop, Microwave, Refrigerator, Water Heater
- Flooring
- Tile, Wood
- Heating
- Central, Forced Air
- Cooling
- Central Air, Dual, Zoned
- Fireplace
- Gas, Gas Starter, Living Room
- Laundry
- Inside, Laundry Room
- Main Level Bedrooms
- 2
- Main Level Bathrooms
- 2
- Common Walls
- No Common Walls
- Doors
- French Doors, Panel Doors
- Accessibility
- Safe Emergency Egress From Home
Exterior Features
- Exterior Features
- Rain Gutters
- Roof
- Composition
- Lot Features
- Corner Lot, Front Yard, Landscaped, Yard
- Patio and Porch
- Deck, Front Porch
- Fencing
- Block, Wrought Iron
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer, Sewer Tap Paid
- Water
- Public
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Biking, Curbs, Fishing, Park, Storm Drains, Street Lights, Sidewalks, Water Sports
- Security
- Carbon Monoxide Detectors, Smoke Detectors
The record
Property History for 324 Diamond Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Jul 30, 2020 | Sold | $3,075,000 | |
| Feb 12, 2020 | Relisted | $3,295,000 |
No prior MLS sales on record for this home since 2012.
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 324 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 AO, inside 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 32 of 32 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 32 of 32. Fixed wireless: Verizon, up to 300 Mbps, at 32 of 32.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630061000, 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). 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
324 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 324 Diamond 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
- 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 |
See 18 homes for sale in Balboa Island - Main Island Newport Beach housing market
Schools
School District for 324 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 Jun 27, 2026 at 1:39 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.