$3,490,000
3Beds3Baths1,633SqFt
121 Marine AvenueNewport Beach, CA 92662Balboa Island - Main Island
Sold
121 Onyx Avenue sold on October 10, 2025 for $3,400,000, 0.1% above the $3,395,000 asking price after 13 days on the market. The buyer financed the purchase. The details are below for reference.
121 Onyx Avenue, Newport Beach, CA 92662
$3,400,000
- Beds
- 3
- Baths
- 3
- Sq Ft
- 1,975
- Per Sq Ft
- $1,722
- Sq Ft Lot
- 2,548
- Built
- 1959
- Garage
- 2-car
Call Clark Smith (949) 494-8830
Subdivision Balboa Island - Main Island
22 single-family homes sold in the past 12 months · median $3,670,000
About 121 Onyx Avenue
Wonderful Balboa Island Mid-Century Cottage in the 100 block of Onyx, one block to the Village Center, on a quiet one-way street steps from the South Bayfront. The first level showcases a living room with brick fireplace, kitchen and dining areas opening to a side patio, and a rare first floor bedroom with adjacent bath. The second level showcases a huge primary bedroom suite with fireplace and a peek-a-boo Bay view. The 2nd level also offers a large guest bedroom with its own bath and a substantial outdoor enclosed balcony. The home provides a sunny front patio and large two-car garage with extra parking in back. 121 Onyx is an ideal remodel or rebuild project for the buyer seeking an excellent Island location and a home with great potential!
Property details for 121 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 offers 1,975 square feet of living space. The home was built in 1959. The MLS record lists the assessor parcel number as 050-171-21. Highlights include bay views, a fireplace, an attached two-car garage, a 2,548-square-foot lot, and Cape Cod architecture. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
Home Details
- Price
- $3,400,000
- Days On Site
- N/A
- Bedrooms
- 3
- Inside Area (SqFt)
- 1,975 sqft
- Total Baths
- 3
- Full Baths
- 3
- Partial Baths
- N/A
- Lot Size
- 2,548 SqFt
- Year Built
- 1959
- MLS® Number
- NP25092257
- Status
- Sold
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- N/A
- Sq Ft Source
- Assessor
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP25092257
- Year Built
- 1959
- Living Area (sq ft)
- 1,975
- Living Area Source
- Assessor
- Lot Size (sq ft)
- 2,550
- Lot Size (acres)
- 0.0585
- Levels
- Two
- Bedrooms
- 3
- Full Baths
- 3
- Garage Spaces
- 2
- Parking Spaces
- 3
- View
- Bay
- Parcel Number
- 05017121
- On Market Date
- 2025-05-13
- Zoning
- R1.5
- Listing Terms
- Standard
Interior Features
- Interior Features
- Separate Formal Dining Room, All Bedrooms Up, Bedroom On Main Level
- Flooring
- Carpet, Vinyl, Wood
- Heating
- Central
- Cooling
- None
- Fireplace
- Living Room, Primary Bedroom
- Laundry
- In Garage
- Main Level Bedrooms
- 1
- Main Level Bathrooms
- 1
- Entry Level
- 1
- Common Walls
- No Common Walls
- Accessibility
- Safe Emergency Egress From Home
Exterior Features
- Architectural Style
- Cape Cod, Patio Home
- Construction
- Frame
- Patio and Porch
- Open, Patio
- Parking
- Garage Faces Rear
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer, Sewer Tap Paid
- Water
- Public
- Utilities
- Electricity Connected, Sewer Connected
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Biking, Curbs, Fishing, Street Lights, Sidewalks, Water Sports
Property History for 121 Onyx Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Oct 10, 2025 | Sold | $3,400,000 | |
| May 13, 2025 | Listed for sale | $3,395,000 |
No prior MLS sales on record for this home since 2012.
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
22Homes sold
$3,670,000Median price
13Median days on market
$2,297Median per sq ft
Recorded MLS closings of single-family homes, Sep 20, 2025 to Sep 20, 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 |
|---|---|---|---|---|---|
| 206 Agate | Aug 31, 2026 | $2,860,000 | 888 | $3,221 | 4 |
| 327 Onyx | Aug 18, 2026 | $3,450,000 | 2,128 | $1,621 | 102 |
| 209 Ruby | Jul 14, 2026 | $3,295,000 | 1,793 | $1,838 | 1 |
| 215 Opal | Jun 30, 2026 | $3,437,500 | 2,226 | $1,544 | 79 |
| 122 Collins Avenue | May 18, 2026 | $3,270,000 | 2,551 | $1,282 | 0 |
School District for 121 Onyx Avenue
As listed in the MLS record. Confirm attendance boundaries with the school district.
The MLS record lists the Newport Mesa Unified.
Living in Newport Beach covers its schools, parks and beaches.
Looking for something similar
121 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.
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Selling near 121 Onyx 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.
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Listed by Donald Abrams of Abrams Coastal Properties
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.
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