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Single Family ResidenceResidential
$2,555,802$844 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $806,000 on Jan 20, 2012

434 RIVERSIDE AVE

NEWPORT BEACH, CA 92663
4
Beds
4
Baths
3,027 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.6M
$2M low$3.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$806,000 · Jan 20, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,496 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,266,424 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$843,610
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$422,814
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,249,309

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.15
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Newport Heights Elementary SchoolA+
Elementary · Grades KG–6 · 0.3 mi
M
Horace Ensign Intermediate SchoolA
Middle · Grades 7–8 · 0.3 mi
H
Newport Harbor High SchoolA
High · Grades 9–12 · 0.4 mi

District: Newport-Mesa Unified School District

Neighborhood · ZIP 92663These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.161
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.383

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.20,703
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,421 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$131,313
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,654
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

434 Riverside Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 92% of homes in Orange County
  • Costs more per square foot than 85% of homes in Orange County
  • Bigger than 88% of homes in Orange County
  • Has a bigger lot than 85% of homes in Newport Beach 92663
  • Newer than 93% of homes in Orange County

What homes are worth in Newport Beach 92663

Each bar is how many homes fall in that price range. The marker is this home.

This home
$613K$10M

This home is worth more than 50% of homes in Newport Beach 92663.

How it measures up in Newport Beach 92663

The dot is this home. The mark in the middle is the typical home in Newport Beach 92663.

Estimated value$2,555,802
CheaperTypical $2,556,712Pricier

Pricier than 50% of homes nearby

Price per ft²$844
CheaperTypical $1292Pricier

Pricier than 27% of homes nearby

Living area3,027 ft²
SmallerTypical 1,804 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.15 ac
SmallerTypical 3,223 ft²Bigger

Bigger than 85% of homes nearby

Year built2012
OlderTypical 1973Newer

Newer than 90% of homes nearby

How 434 Riverside Ave ranks against every home in each area.
MeasureThis homeNewport Beach 92663Orange County
Estimated valuepricier than$2,555,80250% of homes92% of homes
Price per ft²pricier than$84427% of homes85% of homes
Living areabigger than3,027 ft²83% of homes88% of homes
Lot sizebigger than0.15 ac85% of homes49% of homes
Year builtnewer than201290% of homes93% of homes

About 434 Riverside Ave

How much is 434 Riverside Ave, Newport Beach, CA worth?

The TopHap Estimate for 434 Riverside Ave, Newport Beach, CA is $2,555,802 as of Aug 30, 2026. The likely range is $1,966,348 to $3,145,256. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 434 Riverside Ave, Newport Beach, CA last sell?

434 Riverside Ave, Newport Beach, CA last sold on Jan 20, 2012 for $806,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 434 Riverside Ave, Newport Beach, CA?

434 Riverside Ave, Newport Beach, CA has 4 bedrooms, 4 bathrooms, 3,027 square feet of living space and a 0.15-acre lot.

When was 434 Riverside Ave, Newport Beach, CA built?

434 Riverside Ave, Newport Beach, CA was built in 2012, making it 14 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 434 Riverside Ave, Newport Beach, CA?

434 Riverside Ave, Newport Beach, CA is assigned to Newport Heights Elementary School (elementary), rated A+; Horace Ensign Intermediate School (middle), rated A; Newport Harbor High School (high), rated A. All sit in Newport-Mesa Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 434 Riverside Ave, Newport Beach, CA compare to other homes in Newport Beach 92663?

Among the 7,833 homes in Newport Beach 92663, it is worth more than 50% of them ($2,555,802 against a typical $2,556,712), its price per square foot is higher than 27% of them ($844 against a typical $1292), it is bigger than 83% of them (3,027 ft² against a typical 1,804 ft²), its lot is bigger than 85% of them (0.15 ac against a typical 3,223 ft²) and it is newer than 90% of them (2012 against a typical 1973). Measured against all of Orange County, it is worth more than 92% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 434 Riverside Ave, Newport Beach, CA?

The 2025 property tax bill for 434 Riverside Ave, Newport Beach, CA was $13,496. The county assessed it at $1,266,424.

More homes on Riverside Ave

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Assigned schools

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