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Single Family ResidenceResidential
$1,267,524$540 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $1,237,500 on Apr 30, 2026

340 E RIVERDALE AVE

ORANGE, CA 92865
5
Beds
3
Baths
2,348 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,237,500 · Apr 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,660 (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.$120,831 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,735
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,096
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$118,462

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.17
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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

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

E
Fletcher Elementary SchoolA-
Elementary · Grades KG–6 · 1.1 mi
M
Cerro Villa Middle SchoolB
Middle · Grades 7–8 · 2.4 mi
H
Villa Park High SchoolB
High · Grades 9–12 · 2.6 mi

District: Orange Unified School District

Neighborhood · ZIP 92865These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.304

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.8%
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.20,165
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,419 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,909
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,651
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

340 E Riverdale 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 85% of homes in Orange 92865
  • Costs less per square foot than 83% of homes in Orange County
  • Bigger than 90% of homes in Orange 92865
  • Has a bigger lot than 66% of homes in Orange County
  • Older than 68% of homes in Orange County

What homes are worth in Orange 92865

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

This home
$518K$1.6M

This home is worth more than 85% of homes in Orange 92865.

How it measures up in Orange 92865

The dot is this home. The mark in the middle is the typical home in Orange 92865.

Estimated value$1,267,524
CheaperTypical $1,029,469Pricier

Pricier than 85% of homes nearby

Price per ft²$540
CheaperTypical $591Pricier

Pricier than 30% of homes nearby

Living area2,348 ft²
SmallerTypical 1,660 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 44% of homes nearby

Year built1965
OlderTypical 1965Newer

Newer than 55% of homes nearby

How 340 E Riverdale Ave ranks against every home in each area.
MeasureThis homeOrange 92865Orange County
Estimated valuepricier than$1,267,52485% of homes59% of homes
Price per ft²pricier than$54030% of homes17% of homes
Living areabigger than2,348 ft²90% of homes75% of homes
Lot sizebigger than0.17 ac44% of homes66% of homes
Year builtnewer than196555% of homes32% of homes

About 340 E Riverdale Ave

How much is 340 E Riverdale Ave, Orange, CA worth?

The TopHap Estimate for 340 E Riverdale Ave, Orange, CA is $1,267,524 as of Sep 24, 2026. The likely range is $1,148,574 to $1,386,474. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 E Riverdale Ave, Orange, CA last sell?

340 E Riverdale Ave, Orange, CA last sold on Apr 30, 2026 for $1,237,500, according to the county's recorded deed.

How big is 340 E Riverdale Ave, Orange, CA?

340 E Riverdale Ave, Orange, CA has 5 bedrooms, 3 bathrooms, 2,348 square feet of living space and a 0.17-acre lot.

When was 340 E Riverdale Ave, Orange, CA built?

340 E Riverdale Ave, Orange, CA was built in 1965, making it 61 years old. The building has 2 stories.

What schools serve 340 E Riverdale Ave, Orange, CA?

340 E Riverdale Ave, Orange, CA is assigned to Fletcher Elementary School (elementary), rated A-; Cerro Villa Middle School (middle), rated B; Villa Park High School (high), rated B. All sit in Orange Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 E Riverdale Ave, Orange, CA compare to other homes in Orange 92865?

Among the 5,631 homes in Orange 92865, it is worth more than 85% of them ($1,267,524 against a typical $1,029,469), its price per square foot is higher than 30% of them ($540 against a typical $591), it is bigger than 90% of them (2,348 ft² against a typical 1,660 ft²), its lot is bigger than 44% of them (0.17 ac against a typical 0.18 ac) and it is newer than 55% of them (1965 against a typical 1965). Measured against all of Orange County, it is worth more than 59% 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 340 E Riverdale Ave, Orange, CA?

The 2025 property tax bill for 340 E Riverdale Ave, Orange, CA was $1,660. The county assessed it at $120,831.

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