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327 OnyxNewport Beach, CA 92662

For Sale

$3,799,900

Smart Buyer Rebate $37,999

Welcome to 327 Onyx Avenue, Balboa Island, this vintage stream line mid-century modern beach house has a great location steps from the-just steps to the North Bayfront. Water views on both levels. Located on a rare find 40 foot lot. A 40 feet wide lot offers significantly more space, light and private parking (a coveted premium on the Island). Currently offers parking behind the garage and a spot alongside the garage. Easy access to the home with alley access off Marine Dr. just over the Bridge. This Balboa Island mid-century beach house takes advantage of its position, with views toward the Bay and a constant reminder of how close you are to the water. It's an easy access to the Shoreline, Marine Avenue shopping, Dining and fun. Balboa is everything that makes Newport Beach what it is-but far enough removed to feel quiet and livable. First time on the market in over 60 years is now available for a new beginning! A rare find indeed. Properties like this don't come up often.

Listed by Brian Gibney

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License #01383231

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Coldwell Banker Realty

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949-500-1603

Listed by Bill Lupis

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License #00590337

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Coldwell Banker Realty

Last updated July 30, 2026

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Source: bridgeMLS #CRNP26074825

Listing Facts

  • TypeSingle-family
  • NeighborhoodBalboa Island
  • Bedrooms5
  • Bathrooms2
  • Days on Prevu100
  • Size2,128 sqft
  • Price per sqft$1,786

Amenities

  • Private Outdoor Space
  • Swimming Pool

Location

Mortgage Calculator

Listing History

07/29/2026
Price Decreased
$3,799,900
06/01/2026
Price Decreased
$3,999,900
04/22/2026
Listed by Coldwell Banker Realty
$4,200,000

Property Details for 327 Onyx

Exterior

Construction

  • Stories: 2
  • Year Built: 1938
  • Architectural Style: Mid Century Modern

Features

  • Patio And Porch Features: Covered
  • View: Bay

Measurements

  • Building Area Total: 2,128
  • Lot Features: Level
  • Lot Size Acres: 0.07
  • Lot Size Area: 0
  • Lot Size Square Feet: 3,400
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 05014133

Interior

Features

  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Flooring: Tile, Carpet

Measurements

  • Living Area: 2,128
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 5

Parking

Parking

  • Covered Spaces: 2
  • Garage Spaces: 2
  • Parking Features: Detached, Other

Schools

High School

  • High School District: Newport-Mesa Unified

Utilities

Equipment

  • Heating: Central
  • Has Heating: Yes
  • Laundry Features: Inside
  • Sewer: Public Sewer
  • Utilities: Natural Gas Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 2 bathrooms in this single-family home at 327 Onyx.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 327 Onyx.

How does 327 Onyx compare to other single-family homes in Balboa Island?

This single-family home is listed 41% below the average price for single-family homes in Balboa Island and has been on the market for 3 more days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,128 sqft.

327 Onyx is a 5-bedroom, 2-bath single-family home for sale in Newport Beach CA 92662. On Prevu for 100 days at $3,799,900. This includes a recent price decrease of $200,000. This residence features 2,128 square feet of living space, located in Balboa Island. The median listing price for single-family homes in this area is $4,222,500. The home offers private outdoor space and swimming pool. View other single-family home listings in Orange County.

Based on information from bridgeMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.