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Single Family ResidenceResidential
$874,815$574 / 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 Sep 24, 2026

527 MISSOURI AVE

PLACENTIA, CA 92870
4
Beds
2
Baths
1,525 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$875K
$778K low$971K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,454 (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.$83,583 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,415
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,168
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$81,945

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.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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.0.16
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Melrose Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
M
Valadez Middle School AcademyB-
Middle · Grades 6–8 · 0.5 mi
H
Valencia High SchoolA
High · Grades 9–12 · 1.3 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

527 Missouri 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 less than 75% of homes in Placentia 92870
  • Costs less per square foot than 74% of homes in Orange County
  • Smaller than 68% of homes in Placentia 92870
  • Older than 94% of homes in Placentia 92870

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
$472K$1.7M

This home is worth more than 25% 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$874,815
CheaperTypical $1,088,858Pricier

Pricier than 25% of homes nearby

Price per ft²$574
CheaperTypical $585Pricier

Pricier than 44% of homes nearby

Living area1,525 ft²
SmallerTypical 1,824 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.16 ac
SmallerTypical 0.16 acBigger

Bigger than 56% of homes nearby

Year built1955
OlderTypical 1972Newer

Newer than 6% of homes nearby

How 527 Missouri Ave ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$874,81525% of homes28% of homes
Price per ft²pricier than$57444% of homes26% of homes
Living areabigger than1,525 ft²32% of homes38% of homes
Lot sizebigger than0.16 ac56% of homes59% of homes
Year builtnewer than19556% of homes12% of homes

About 527 Missouri Ave

How much is 527 Missouri Ave, Placentia, CA worth?

The TopHap Estimate for 527 Missouri Ave, Placentia, CA is $874,815 as of Sep 24, 2026. The likely range is $778,227 to $971,403. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 527 Missouri Ave, Placentia, CA last sell?

527 Missouri Ave, Placentia, CA last sold on Nov 30, 2021, according to the county's recorded deed.

How big is 527 Missouri Ave, Placentia, CA?

527 Missouri Ave, Placentia, CA has 4 bedrooms, 2 bathrooms, 1,525 square feet of living space and a 0.16-acre lot.

When was 527 Missouri Ave, Placentia, CA built?

527 Missouri Ave, Placentia, CA was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 527 Missouri Ave, Placentia, CA?

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

How does 527 Missouri Ave, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,724 homes in Placentia 92870, it is worth more than 25% of them ($874,815 against a typical $1,088,858), its price per square foot is higher than 44% of them ($574 against a typical $585), it is bigger than 32% of them (1,525 ft² against a typical 1,824 ft²), its lot is bigger than 56% of them (0.16 ac against a typical 0.16 ac) and it is newer than 6% of them (1955 against a typical 1972). Measured against all of Orange County, it is worth more than 28% 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 527 Missouri Ave, Placentia, CA?

The 2025 property tax bill for 527 Missouri Ave, Placentia, CA was $3,454. The county assessed it at $83,583.

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