$4,750/month
2Beds2Baths800SqFt
315 1/2 Diamond AvenueNewport Beach, CA 92662Balboa Island - Main Island
Leased
309 Onyx leased on January 20, 2026 for $4,500/month. The details are below for reference.
309 Onyx, Newport Beach, CA 92662
- 3 beds
- 2 baths
- 900 sq ft
- Built 1965
$4,500/month
The home
About 309 Onyx
Charming 3-bedroom, 2-bath back apartment located at 309 1/2 Onyx Ave on Balboa Island in Newport Beach. This two-story unit features a newly remodeled kitchen and brand-new flooring throughout. The apartment comes with a washer and dryer, refrigerator, and dishwasher for your convenience. One designated parking space is available in the alley.
Enjoy the best of coastal living with easy access to local favorites—just a short stroll to Balboa Island’s shops and restaurants, a quick ferry ride to Balboa Village, and close proximity to Fashion Island for shopping, dining, and entertainment. Available immediately, this apartment is ideal for those seeking a 12-month lease term.
Property details for 309 Onyx
This 3-bedroom, 2-bath apartment sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It has 900 square feet of living space. The home was built in 1965. The MLS record lists the assessor parcel number as 050-141-24.
Specifications
Home Details
General Features
- Property Type
- Apartment
- MLS Number
- NP25258534
- Year Built
- 1965
- Living Area (sq ft)
- 900
- Living Area Source
- Estimated
- Lot Size (sq ft)
- 3,920
- Lot Size (acres)
- 0.09
- Levels
- Two
- Bedrooms
- 3
- Full Baths
- 2
- View
- None
- Parcel Number
- 05014124
- On Market Date
- 2025-11-11
Interior Features
- Interior Features
- Main Level Primary
- Appliances
- Dryer, Washer
- Cooling
- None
- Fireplace
- None
- Main Level Bedrooms
- 2
- Main Level Bathrooms
- 1
- Entry Level
- 1
- Common Walls
- No Common Walls
- Furnished
- Unfurnished
Exterior Features
- Lot Features
- Street Level
- Parking
- Assigned
- Pool Features
- None
- Sewer
- Public Sewer
- Water
- Public
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs, Fishing, Park, Storm Drains, Street Lights, Sidewalks, Water Sports
The record
Property History for 309 Onyx
| Date | Event | Price | Note |
|---|---|---|---|
| Jan 20, 2026 | Status changed to Leased | From Active | |
| Dec 16, 2025 | Price reduced | $4,795/month | From $4,995/month |
No prior MLS sales on record for this home since 2012.
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 309 Onyx
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 (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 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
309 Onyx is no longer on the market, but comparable homes come up in Newport Beach regularly. We can tell you what this one leased for and set up alerts for listings that match it.
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.
Schools
School District for 309 Onyx
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.
Nearby listings
Similar Homes for Lease in Newport Beach
$4,500/month
3Beds1Baths1,015SqFt
218 Agate Avenue FrontNewport Beach, CA 92662Balboa Island - Main Island
$4,500/month
1Beds1Baths649SqFt
216 1/2 Amethyst AvenueNewport Beach, CA 92662Balboa Island - Main Island
$6,500/month
3Beds3Baths1,186SqFt
203 Amethyst AvenueNewport Beach, CA 92662Balboa Island - Main Island
Nearby leases
Recently Leased Near 309 Onyx
Just listed
Newest Newport Beach Rentals
Explore
Explore Newport Beach Real Estate
See Newport Beach homes for rent, or search the full Orange County MLS on our live homes search. Questions about 309 Onyx? Talk to Realatrends.
- Newport Beach Homes for Rent
- Newport Beach 92662 Homes for Rent
- Newport Beach Pet-Friendly Rentals
- Orange County Homes for Rent
- Newport Beach Rental Market
Explore Orange County
Browse Homes by City
Listing alerts
Be first to see new Newport Beach listings
What criteria are you looking for?
New Newport Beach homes by email, often before they reach the big portals.
You are all set.
Listed by Frank Hurst of Balboa Realty
Listing information updated Jan 20, 2026 at 10:24 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.