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Sold

748 HARBOR ISLAND Drive sold on May 24, 2013 for $3,550,000, 3.9% below the $3,695,000 asking price after 200 days on the market; it was first listed at $4,735,000. The details are below for reference.

Single Family ResidenceSold · May 24, 2013

748 HARBOR ISLAND Drive, Newport Beach, CA 92660

  • 4 beds
  • 6 baths
  • 4,000 sq ft
  • 5,000 sq ft lot
  • Built 1994

Own 748 HARBOR ISLAND Drive? Request a free home valuation to see what it is worth today.

$3,550,000

MLS# U12003144

This home has a newer listing: MLS NP25067059 (Sold).

The home

About 748 HARBOR ISLAND Drive

HUGH PRICE REDUCTION OF $600,000 - SELLER MOTIVATED - Contemporary one-of-a-kind waterfront home with 50' of bay front footage on Promontory Bay. The new Permadock will accommodate two vessels of over 50' plus room for an electric boat or smaller craft. Designed for a gregarious family lifestyle this four bedroom, four and two half bath, 4,000 square foot home is perfect for entertaining or relaxing on the bay front patio. Unique in design the expansive lower level offers an abundance of natural lighting in the open living area constructed of different levels to the bar, dining and kitchen all with bay views. The upper level opens to a large entertainment/office area complete with bar, fireplace and views of Promontory Bay. Large master suite located bay side with walk-in closet and large jacuzzi in master bathroom. Additional amenities include, a three car garage and a separate garage for boating equipment and other motor bikes.

Property details for 748 HARBOR ISLAND Drive

This 4-bedroom, 6-bath single-family home sits in the Promontory Bay Custom neighborhood of Newport Beach in Orange County. It has 4,000 square feet of living space on a 5,000-square-foot lot. The home was built in 1994. The MLS record lists the assessor parcel number as 050-431-13. Highlights include bay views, bay frontage, a fireplace, an attached three-car garage, and modern architecture.

Specifications

Home Details

General Features

Property Type
Single Family Residence
MLS Number
U12003144
Year Built
1994
Living Area (sq ft)
4,000
Living Area Source
Public Records
Lot Size (sq ft)
5,000
Lot Size (acres)
0.115
Levels
Two
Bedrooms
4
Full Baths
4
Half Baths
2
Garage Spaces
3
Parking Spaces
3
View
Bay
HOA Dues
$427
Parcel Number
05043113
Listing Terms
Standard

Interior Features

Interior Features
Breakfast Area
Flooring
Carpet
Heating
Central
Cooling
None
Fireplace
Gas Starter
Common Walls
No Common Walls
Accessibility
None

Exterior Features

Architectural Style
Modern
Exterior Features
Boat Slip, Dock
Roof
Slate
Construction
Wood Siding
Pool Features
None
Spa
None
Sewer
Sewer Tap Paid
Water
Public
Utilities
Sewer Available

Community Features

Subdivision
Promontory Bay Custom (PBCS)

The record

Property History for 748 HARBOR ISLAND Drive

DateEventPriceNote
Sep 29, 2025 Sold $8,300,000 Coldwell Banker Realty
Aug 19, 2019 Sold $4,950,000 Coldwell Banker Res. Brokerage
Sep 28, 2015 Sold $4,500,000 Frontier Brokers, Inc.
May 24, 2013 Sold $3,550,000
Aug 7, 2012 Listed for sale $4,735,000

Added by Realatrends Real Estate

Flood, Fire and Earthquake Zones for 748 HARBOR ISLAND Drive

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, 0.7 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: Spectrum, up to 1,000 Mbps, at 1 of 126 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 126 of 126. DSL: AT&T, up to 10 Mbps, at 102 of 126.

FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630051005, not for this address. Not endorsed by the FCC. Checked October 15, 2026.

EV charging

Nearest public charger 0.5 miles away (Tesla Destination, 2 Level 2 ports). 161 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

748 HARBOR ISLAND Drive 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 748 HARBOR ISLAND Drive

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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.

Newport Beach home sales, past 12 months

Homes sold
460
Median price
$4,382,500
Median days on market
23
Median per sq ft
$1,610

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 Newport Beach sales

AddressClosedPriceSq ftPer sq ftDays on market
118 Sapphire Oct 30, 2026 $6,275,000 2,321 $2,704 31
2007 Miramar Oct 29, 2026 $4,850,000 2,408 $2,014 0
449 M Street Oct 29, 2026 $3,800,000 1,174 $3,237 12
4 Narbonne Oct 29, 2026 $10,000,000 5,463 $1,830 0
1740 E Ocean Boulevard Oct 28, 2026 $4,600,000 Not reported Not reported 112

Schools

School District for 748 HARBOR ISLAND Drive

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 Jim West of Coldwell Banker Previews Inter

Listing information updated Oct 18, 2022 at 7:11 AM PT. Source: CRMLS.

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