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Single Family ResidenceResidential
$689,061$638 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

405 OLIVE ST

PLACENTIA, CA 92870
2
Beds
1
Baths
1,080 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1924
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$689K
$611K low$767K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,638 (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.$651,406 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$624,315
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,091
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$638,634

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.0.14
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

E
Ruby Drive Elementary SchoolA-
Elementary · Grades KG–6 · 0.5 mi
H
Valencia High SchoolA
High · Grades 9–12 · 0.5 mi
M
Kraemer Middle SchoolB+
Middle · Grades 7–8 · 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

405 Olive St 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 less than 88% of homes in Placentia 92870
  • Costs more per square foot than 76% of homes in Placentia 92870
  • Smaller than 90% of homes in Placentia 92870
  • Has a smaller lot than 65% of homes in Placentia 92870
  • Among the oldest 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
$454K$1.6M

This home is worth more than 12% 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$689,061
CheaperTypical $1,088,181Pricier

Pricier than 12% of homes nearby

Price per ft²$638
CheaperTypical $576Pricier

Pricier than 76% of homes nearby

Living area1,080 ft²
SmallerTypical 1,833 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.14 ac
SmallerTypical 0.16 acBigger

Bigger than 35% of homes nearby

Year built1924
OlderTypical 1972Newer

Newer than 2% of homes nearby

How 405 Olive St ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$689,06112% of homes17% of homes
Price per ft²pricier than$63876% of homes57% of homes
Living areabigger than1,080 ft²10% of homes11% of homes
Lot sizebigger than0.14 ac35% of homes46% of homes
Year builtnewer than19242% of homesalmost no homes

About 405 Olive St

How much is 405 Olive St, Placentia, CA worth?

The TopHap Estimate for 405 Olive St, Placentia, CA is $689,061 as of Jul 14, 2026. The likely range is $611,168 to $766,954. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Olive St, Placentia, CA last sell?

405 Olive St, Placentia, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 405 Olive St, Placentia, CA?

405 Olive St, Placentia, CA has 2 bedrooms, 1 bathrooms, 1,080 square feet of living space and a 0.14-acre lot.

When was 405 Olive St, Placentia, CA built?

405 Olive St, Placentia, CA was built in 1924, making it 102 years old. The building has 3 stories.

What schools serve 405 Olive St, Placentia, CA?

405 Olive St, Placentia, CA is assigned to Ruby Drive Elementary School (elementary), rated A-; Valencia High School (high), rated A; Kraemer Middle School (middle), 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 405 Olive St, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,724 homes in Placentia 92870, it is worth more than 12% of them ($689,061 against a typical $1,088,181), its price per square foot is higher than 76% of them ($638 against a typical $576), it is bigger than 10% of them (1,080 ft² against a typical 1,833 ft²), its lot is bigger than 35% of them (0.14 ac against a typical 0.16 ac) and it is newer than 2% of them (1924 against a typical 1972). Measured against all of Orange County, it is worth more than 17% 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 405 Olive St, Placentia, CA?

The 2025 property tax bill for 405 Olive St, Placentia, CA was $7,638. The county assessed it at $651,406.

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