Sold
231 Agate Avenue sold on July 30, 2014 for $3,230,000, 0.6% below the $3,250,000 asking price after 69 days on the market. The buyer financed the purchase with a conventional loan. The details are below for reference.
231 Agate Avenue, Newport Beach, CA 92662
- 3 beds
- 5 baths
- 2,859 sq ft
- 2,550 sq ft lot
- Built 2014
Own 231 Agate Avenue? Request a free home valuation to see what it is worth today.
$3,230,000
Subdivision Balboa Island - Main Island
22 single-family homes sold in the past 12 months · median $5,187,500
This home has a newer listing: MLS NP20230471 (Sold).
The home
About 231 Agate Avenue
STUNNING BRAND NEW 3-STORY CAPE COD CUSTOM HOME WITH BAY VIEWS! This beautiful new home, steps from North Bayfront, built by DEVCO Homes & designed by William B. Guidero, will be completed by Summer 2014. The 1st floor includes a great room with fireplace, reclaimed wood beams on fireplace and ceiling, gourmet kitchen with top-line appliances including 48" Wolfe duel fuel stove and 42" Sub-Zero refrigerator, honed marble and caesar-stone counter tops + separate wine refrigerator, pocket doors opening to a serene front patio and a handsome skylight lit staircase. The 2nd floor has a master suite with fireplace, giant walk-in closet, luxurious bath and large Bay-view sitting deck, two guest bedrooms with built-in dressers, each with private bath, a den/bonus room, and a professional laundry room. The 3rd story has an office or guest area with tiled 3/4 bathroom, oversized roof deck with built-in seating & outdoor kitchenette + a large covered loggia for privacy and shade. Additional amenities: French white oak floors, tongue & groove ceilings, Walker Zanger tile and stone, elaborate finished cabinetry work, extra side parking, and a 3-story elevator. 231 Agate is the ultimate Balboa Island custom home awaiting its new owner to enjoy this summer!
Property details for 231 Agate 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 2,859 square feet of living space on a 2,550-square-foot lot. The home was built in 2014. The MLS record lists the assessor parcel number as 050-031-35. Highlights include bay and panoramic views, a fireplace, an attached two-car garage, central air, new construction, and Cape Cod architecture.
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP14102334
- Year Built
- 2014
- Living Area (sq ft)
- 2,859
- Lot Size (sq ft)
- 2,550
- Lot Size (acres)
- 0.059
- Levels
- Three Or More
- Bedrooms
- 3
- Full Baths
- 2
- Half Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- Bay, City Lights, Panoramic
- Parcel Number
- 05003135
- On Market Date
- 2014-05-16
- Zoning
- R1.5
- Listing Terms
- Standard
Interior Features
- Interior Features
- Breakfast Bar, Built In Features, Separate Formal Dining Room, All Bedrooms Up, Loft, Primary Suite, Walk In Closets
- Appliances
- Six Burner Stove, Dishwasher, Refrigerator, Tankless Water Heater
- Flooring
- Carpet, Wood
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Living Room, Primary Bedroom
- Laundry
- Laundry Room, Upper Level
- Common Walls
- No Common Walls
- Windows
- Double Pane Windows
- Doors
- French Doors, Sliding Doors
- Accessibility
- Safe Emergency Egress From Home
Exterior Features
- Architectural Style
- Cape Cod
- Exterior Features
- Lighting
- Roof
- Composition, Metal
- Construction
- Brick, Other, Redwood Siding
- Foundation
- Slab
- Pool Features
- None
- Spa
- None
- Water
- Public
- Utilities
- Sewer Available, Sewer Connected
- Units
- 1
Community Features
- Subdivision
- Balboa Island - Main Island (BALM)
- Community Features
- Curbs, Sidewalks
- Security
- Carbon Monoxide Detectors
The record
Property History for 231 Agate Avenue
| Date | Event | Price | Note |
|---|---|---|---|
| Nov 9, 2020 | Sold | $3,950,000 | Abrams Coastal Properties |
| Jul 30, 2014 | Sold | $3,230,000 | |
| May 16, 2014 | Listed for sale | $3,250,000 | |
| May 28, 2013 | Sold | $1,400,000 | Metro Estates |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 231 Agate 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 39 of 39 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 39 of 39. Fixed wireless: Verizon, up to 300 Mbps, at 39 of 39.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630061004, 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
231 Agate 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 231 Agate 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
- 22
- Median price
- $5,187,500
- Median days on market
- 15
- Median per sq ft
- $2,501
Recorded MLS closings of single-family homes, Oct 31, 2025 to Oct 31, 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 231 Agate 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.
Nearby listings
Similar Homes for Sale in Newport Beach
Nearby sales
Recently Sold Near 231 Agate Avenue
Just listed
Newest Newport Beach Homes for Sale
Explore
Explore Newport Beach Real Estate
See every home for sale in Newport Beach, or search the full Orange County MLS on our live homes search. Questions about 231 Agate Avenue? Talk to Realatrends.
- Newport Beach Homes for Sale
- Balboa Island - Main Island Homes for Sale
- Newport Beach 92662 Homes for Sale
- Newport Beach Single-Family Homes for Sale
- Corona del Mar
- Newport Coast
- Balboa Peninsula & Island
- Newport Beach Waterfront Homes
- Newport Beach vs Newport Coast
- Beaches in Newport Beach
- Newport Beach Schools
- Newport Beach Selling a Home in Newport Beach
- Newport Beach Buying a Home in Newport Beach
- Newport Beach Open Houses
- Orange County Real Estate
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 Donald Abrams of Abrams Coastal Properties
Listing information updated Jul 25, 2023 at 8:14 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.