543 Riverside Ave is a 1,254 square foot house on a 6,375 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on March 12, 1997 for $340,000. Based on Redfin's Newport Beach data, we estimate the home's value is $2,690,913.
Single-familyProperty Type
1949Year Built
6,375 sq ftLot Size
$2,146Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,690,913
$2.4M since sold in March 1997$37K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10% lower than the average sale price ($2.99M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-1
Single-Unit Residential District
The R-1 zoning district is intended to provide for areas appropriate for a range of detached single-family residential dwelling units, each located on a single legal lot, and does not include condominiums or cooperative housing.
Permitted uses
Include but are not limited to:
Livestock production
Day care facility
Housing-Single unit
Housing-Senior
Infrastructure
Jun 27, 2011 • Final
Combo residential - repair
Roofing
Jun 27, 2011 • Final
Combo residential - alteration
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
Exterior
Exterior Information
Building Type: Single Family
Property Information
Subdivision Name: FIRST ADD NEWPORT HEIGHTS
Living Sq. Ft: 1,254
Building Sq. Ft: 1,254
Legal Description: A-TRACT: FIRST ADD TO NEWPORT HEIGHTS BLOCK: 34 LOT: 14 TR 256
Parking & Garage Information
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,375
Legal Lot Number: 14
Legal Block Number: 34
Acres: 0.1463
Depth Footage: 127
Front Footage: 50
County Use Description: SINGLE FAM RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,254
Stories: —
Lot Size: 6,375 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: —
County: Orange County
APN: 04903211
Home facts updated by county records on Jul 22, 2026
Around this home
Schools
Newport Heights Elementary School
Public K-6 • Assigned • 0.1mi
10/10
Horace Ensign Intermediate School
Public 7-8 • Assigned • 0.5mi
9/10
Newport Harbor High School
Public 9-12 • Assigned • 0.4mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Newport Beach is renowned for its stunning coastline, world-class harbor, luxury lifestyle, and vibrant waterfront community. With beautiful beaches, premier shopping and dining, top-rated schools, and year-round outdoor recreation, it offers an...