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Single Family ResidenceResidential
$1,223,857$625 / 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 96How 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

520 GARDENIA AVE

PLACENTIA, CA 92870
4
Beds
2
Baths
1,959 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.
1972
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.2M low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,236 (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.$420,254 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$246,048
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$174,206
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$412,014

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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(1)

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.

M
Kraemer Middle SchoolA
Middle · Grades 7–8 · 0.4 mi
H
Valencia High SchoolA-
High · Grades 9–12 · 0.5 mi
E
Morse Elementary SchoolB+
Elementary · Grades PK–6 · 0.6 mi

District: Placentia-Yorba Linda Unified School District

Neighborhood · ZIP 92870These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.364

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.52,456
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,618 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,439
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,532
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

520 Gardenia 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 68% of homes in Placentia 92870
  • Costs more per square foot than 69% of homes in Placentia 92870
  • Has a bigger lot than 68% of homes in Orange County

What homes are worth in Placentia 92870

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

This home
$482K$1.7M

This home is worth more than 68% of homes in Placentia 92870.

How it measures up in Placentia 92870

The dot is this home. The mark in the middle is the typical home in Placentia 92870.

Estimated value$1,223,857
CheaperTypical $1,090,866Pricier

Pricier than 68% of homes nearby

Price per ft²$625
CheaperTypical $586Pricier

Pricier than 69% of homes nearby

Living area1,959 ft²
SmallerTypical 1,832 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 67% of homes nearby

Year built1972
OlderTypical 1972Newer

Newer than 54% of homes nearby

How 520 Gardenia Ave ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$1,223,85768% of homes57% of homes
Price per ft²pricier than$62569% of homes39% of homes
Living areabigger than1,959 ft²58% of homes61% of homes
Lot sizebigger than0.17 ac67% of homes68% of homes
Year builtnewer than197254% of homes45% of homes

About 520 Gardenia Ave

How much is 520 Gardenia Ave, Placentia, CA worth?

The TopHap Estimate for 520 Gardenia Ave, Placentia, CA is $1,223,857 as of Sep 24, 2026. The likely range is $1,180,919 to $1,266,795. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Gardenia Ave, Placentia, CA last sell?

520 Gardenia Ave, Placentia, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 520 Gardenia Ave, Placentia, CA?

520 Gardenia Ave, Placentia, CA has 4 bedrooms, 2 bathrooms, 1,959 square feet of living space and a 0.17-acre lot.

When was 520 Gardenia Ave, Placentia, CA built?

520 Gardenia Ave, Placentia, CA was built in 1972, making it 54 years old. The building has 1 story.

What schools serve 520 Gardenia Ave, Placentia, CA?

520 Gardenia Ave, Placentia, CA is assigned to Kraemer Middle School (middle), rated A; Valencia High School (high), rated A-; Morse Elementary School (elementary), rated B+. All sit in Placentia-Yorba Linda Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Gardenia Ave, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,725 homes in Placentia 92870, it is worth more than 68% of them ($1,223,857 against a typical $1,090,866), its price per square foot is higher than 69% of them ($625 against a typical $586), it is bigger than 58% of them (1,959 ft² against a typical 1,832 ft²), its lot is bigger than 67% of them (0.17 ac against a typical 0.16 ac) and it is newer than 54% of them (1972 against a typical 1972). Measured against all of Orange County, it is worth more than 57% 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 520 Gardenia Ave, Placentia, CA?

The 2025 property tax bill for 520 Gardenia Ave, Placentia, CA was $5,236. The county assessed it at $420,254.

More homes on Gardenia Ave

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More homes in Placentia 92870

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