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Single Family ResidenceResidential
$1,230,700$571 / 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 Aug 30, 2026
Last sold for $648,000 on Dec 30, 2015

420 COTTAM PL

PLACENTIA, CA 92870
4
Beds
2.5
Baths
2,156 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.
4,125 ft²
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$648,000 · Dec 30, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,256 (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.$782,439 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$484,109
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$298,330
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$767,098

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.0.10
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
John O. Tynes Elementary SchoolB-
Elementary · Grades KG–6 · 0.3 mi
M
Kraemer Middle SchoolB+
Middle · Grades 7–8 · 0.3 mi
H
Valencia High SchoolA
High · Grades 9–12 · 0.5 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

420 Cottam Pl 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 72% of homes in Placentia 92870
  • Costs less per square foot than 67% of homes in Orange County
  • Bigger than 68% of homes in Placentia 92870
  • Has a smaller lot than 84% of homes in Orange County
  • Newer than 87% 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
$448K$1.7M

This home is worth more than 72% 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$1,230,700
CheaperTypical $1,071,291Pricier

Pricier than 72% of homes nearby

Price per ft²$571
CheaperTypical $573Pricier

Pricier than 49% of homes nearby

Living area2,156 ft²
SmallerTypical 1,832 ft²Bigger

Bigger than 68% of homes nearby

Lot size4,125 ft²
SmallerTypical 0.16 acBigger

Bigger than 19% of homes nearby

Year built1997
OlderTypical 1972Newer

Newer than 87% of homes nearby

How 420 Cottam Pl ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$1,230,70072% of homes61% of homes
Price per ft²pricier than$57149% of homes33% of homes
Living areabigger than2,156 ft²68% of homes68% of homes
Lot sizebigger than4,125 ft²19% of homes16% of homes
Year builtnewer than199787% of homes82% of homes

About 420 Cottam Pl

How much is 420 Cottam Pl, Placentia, CA worth?

The TopHap Estimate for 420 Cottam Pl, Placentia, CA is $1,230,700 as of Aug 30, 2026. The likely range is $1,183,654 to $1,277,746. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Cottam Pl, Placentia, CA last sell?

420 Cottam Pl, Placentia, CA last sold on Dec 30, 2015 for $648,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 420 Cottam Pl, Placentia, CA?

420 Cottam Pl, Placentia, CA has 4 bedrooms, 2.5 bathrooms, 2,156 square feet of living space and a 0.10-acre lot.

When was 420 Cottam Pl, Placentia, CA built?

420 Cottam Pl, Placentia, CA was built in 1997, making it 29 years old.

What schools serve 420 Cottam Pl, Placentia, CA?

420 Cottam Pl, Placentia, CA is assigned to John O. Tynes Elementary School (elementary), rated B-; Kraemer Middle School (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 420 Cottam Pl, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,724 homes in Placentia 92870, it is worth more than 72% of them ($1,230,700 against a typical $1,071,291), its price per square foot is higher than 49% of them ($571 against a typical $573), it is bigger than 68% of them (2,156 ft² against a typical 1,832 ft²), its lot is bigger than 19% of them (4,125 ft² against a typical 0.16 ac) and it is newer than 87% of them (1997 against a typical 1972). Measured against all of Orange County, it is worth more than 61% 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 420 Cottam Pl, Placentia, CA?

The 2025 property tax bill for 420 Cottam Pl, Placentia, CA was $9,256. The county assessed it at $782,439.

More homes on Cottam Pl

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