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Single Family ResidenceResidential
$590,285$636 / 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 92How 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 $335,000 on Oct 6, 2005

609 SENECA ST

PLACENTIA, CA 92870
2
Beds
1.5
Baths
928 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.
1,294 ft²
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$590K
$542K low$638K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$335,000 · Oct 6, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,663 (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.$557,560 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$470,185
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,375
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$546,628

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.0.03
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Radiant
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Golden Elementary SchoolA+
Elementary · Grades KG–6 · 0.2 mi
M
Col. J. K. Tuffree Middle SchoolA
Middle · Grades 7–8 · 0.6 mi
H
El Dorado High SchoolA
High · Grades 9–12 · 0.9 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

609 Seneca 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 92% of homes in Placentia 92870
  • Costs more per square foot than 79% of homes in Placentia 92870
  • Smaller than 94% of homes in Orange County
  • Among the smallest lots 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
$451K$1.7M

This home is worth more than 8% 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$590,285
CheaperTypical $1,068,251Pricier

Pricier than 8% of homes nearby

Price per ft²$636
CheaperTypical $574Pricier

Pricier than 79% of homes nearby

Living area928 ft²
SmallerTypical 1,822 ft²Bigger

Bigger than 7% of homes nearby

Lot size1,294 ft²
SmallerTypical 0.16 acBigger

Bigger than 3% of homes nearby

Year built1971
OlderTypical 1972Newer

Newer than 45% of homes nearby

How 609 Seneca St ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$590,2858% of homes11% of homes
Price per ft²pricier than$63679% of homes51% of homes
Living areabigger than928 ft²7% of homes6% of homes
Lot sizebigger than1,294 ft²3% of homesalmost no homes
Year builtnewer than197145% of homes42% of homes

About 609 Seneca St

How much is 609 Seneca St, Placentia, CA worth?

The TopHap Estimate for 609 Seneca St, Placentia, CA is $590,285 as of Aug 30, 2026. The likely range is $542,411 to $638,159. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 609 Seneca St, Placentia, CA last sell?

609 Seneca St, Placentia, CA last sold on Oct 6, 2005 for $335,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 609 Seneca St, Placentia, CA?

609 Seneca St, Placentia, CA has 2 bedrooms, 1.5 bathrooms, 928 square feet of living space and a 0.03-acre lot.

When was 609 Seneca St, Placentia, CA built?

609 Seneca St, Placentia, CA was built in 1971, making it 55 years old. The building has 2 stories.

What schools serve 609 Seneca St, Placentia, CA?

609 Seneca St, Placentia, CA is assigned to Golden Elementary School (elementary), rated A+; Col. J. K. Tuffree Middle School (middle), rated A; El Dorado 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 609 Seneca St, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,724 homes in Placentia 92870, it is worth more than 8% of them ($590,285 against a typical $1,068,251), its price per square foot is higher than 79% of them ($636 against a typical $574), it is bigger than 7% of them (928 ft² against a typical 1,822 ft²), its lot is bigger than 3% of them (1,294 ft² against a typical 0.16 ac) and it is newer than 45% of them (1971 against a typical 1972). Measured against all of Orange County, it is worth more than 11% 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 609 Seneca St, Placentia, CA?

The 2025 property tax bill for 609 Seneca St, Placentia, CA was $6,663. The county assessed it at $557,560.

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