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Single Family ResidenceResidential
$815,314$675 / 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 97How 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
Last sold for $544,500 on Oct 12, 2018

521 RAMONA ST

PLACENTIA, CA 92870
3
Beds
2
Baths
1,208 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.
1951
Year BuiltThe year the home was originally built, according to county records.
1
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$815K
$789K low$842K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$544,500 · Oct 12, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$345,314
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$276,251
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.59%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$470,000
LOANDEPOT.COM LLC · recorded Feb 16, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,397 (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.$628,255 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$560,688
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$67,567
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$615,937

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

Transaction History(10)

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 · 0.6 mi
H
Valencia High SchoolA
High · Grades 9–12 · 0.7 mi
M
Kraemer Middle SchoolB+
Middle · Grades 7–8 · 0.7 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.52,457
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

521 Ramona 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 80% of homes in Placentia 92870
  • Costs more per square foot than 86% of homes in Placentia 92870
  • Smaller than 86% of homes in Placentia 92870
  • Older than 96% 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
$441K$1.6M

This home is worth more than 20% 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$815,314
CheaperTypical $1,088,518Pricier

Pricier than 20% of homes nearby

Price per ft²$675
CheaperTypical $578Pricier

Pricier than 86% of homes nearby

Living area1,208 ft²
SmallerTypical 1,823 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.16 ac
SmallerTypical 0.16 acBigger

Bigger than 41% of homes nearby

Year built1951
OlderTypical 1972Newer

Newer than 4% of homes nearby

How 521 Ramona St ranks against every home in each area.
MeasureThis homePlacentia 92870Orange County
Estimated valuepricier than$815,31420% of homes26% of homes
Price per ft²pricier than$67586% of homes63% of homes
Living areabigger than1,208 ft²14% of homes18% of homes
Lot sizebigger than0.16 ac41% of homes57% of homes
Year builtnewer than19514% of homes5% of homes

About 521 Ramona St

How much is 521 Ramona St, Placentia, CA worth?

The TopHap Estimate for 521 Ramona St, Placentia, CA is $815,314 as of Jul 14, 2026. The likely range is $788,784 to $841,844. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Ramona St, Placentia, CA last sell?

521 Ramona St, Placentia, CA last sold on Oct 12, 2018 for $544,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 521 Ramona St, Placentia, CA?

521 Ramona St, Placentia, CA has 3 bedrooms, 2 bathrooms, 1,208 square feet of living space and a 0.16-acre lot.

When was 521 Ramona St, Placentia, CA built?

521 Ramona St, Placentia, CA was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 521 Ramona St, Placentia, CA?

521 Ramona 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 521 Ramona St, Placentia, CA compare to other homes in Placentia 92870?

Among the 13,724 homes in Placentia 92870, it is worth more than 20% of them ($815,314 against a typical $1,088,518), its price per square foot is higher than 86% of them ($675 against a typical $578), it is bigger than 14% of them (1,208 ft² against a typical 1,823 ft²), its lot is bigger than 41% of them (0.16 ac against a typical 0.16 ac) and it is newer than 4% of them (1951 against a typical 1972). Measured against all of Orange County, it is worth more than 26% 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 521 Ramona St, Placentia, CA?

The 2025 property tax bill for 521 Ramona St, Placentia, CA was $7,397. The county assessed it at $628,255.

Closest homes

More homes in Placentia 92870

Assigned schools

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