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Single Family ResidenceResidential
$1,000,364$417 / 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 94How 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 $718,000 on Jul 31, 2017

321 DELPHIA AVE

BREA, CA 92821
4
Beds
3
Baths
2,399 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
3
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

$1M
$938K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$718,000 · Jul 31, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,644 (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.$833,296 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$700,264
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$133,032
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$816,957

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.31 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.17
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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.

M
Brea Junior High SchoolA
Middle · Grades 7–8 · 0.3 mi
E
Arovista Elementary SchoolB
Elementary · Grades KG–6 · 1.0 mi
H
Brea Olinda High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Brea-Olinda Unified School District

Neighborhood · ZIP 92821These 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 100.411

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
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.45,720
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,381 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,359
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,524
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.74%

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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

321 Delphia 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.

  • Costs less per square foot than 96% of homes in Orange County
  • Bigger than 78% of homes in Brea 92821
  • Has a bigger lot than 68% of homes in Orange County
  • Older than 73% of homes in Brea 92821

What homes are worth in Brea 92821

Each bar is how many homes fall in that price range. The marker is this home.

This home
$523K$2.2M

This home is worth more than 48% of homes in Brea 92821.

How it measures up in Brea 92821

The dot is this home. The mark in the middle is the typical home in Brea 92821.

Estimated value$1,000,364
CheaperTypical $1,013,746Pricier

Pricier than 48% of homes nearby

Price per ft²$417
CheaperTypical $529Pricier

Pricier than 5% of homes nearby

Living area2,399 ft²
SmallerTypical 1,887 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 63% of homes nearby

Year built1964
OlderTypical 1975Newer

Newer than 27% of homes nearby

How 321 Delphia Ave ranks against every home in each area.
MeasureThis homeBrea 92821Orange County
Estimated valuepricier than$1,000,36448% of homes43% of homes
Price per ft²pricier than$4175% of homes4% of homes
Living areabigger than2,399 ft²78% of homes76% of homes
Lot sizebigger than0.17 ac63% of homes68% of homes
Year builtnewer than196427% of homes29% of homes

About 321 Delphia Ave

How much is 321 Delphia Ave, Brea, CA worth?

The TopHap Estimate for 321 Delphia Ave, Brea, CA is $1,000,364 as of Aug 30, 2026. The likely range is $938,038 to $1,062,690. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Delphia Ave, Brea, CA last sell?

321 Delphia Ave, Brea, CA last sold on Jul 31, 2017 for $718,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 321 Delphia Ave, Brea, CA?

321 Delphia Ave, Brea, CA has 4 bedrooms, 3 bathrooms, 2,399 square feet of living space and a 0.17-acre lot.

When was 321 Delphia Ave, Brea, CA built?

321 Delphia Ave, Brea, CA was built in 1964, making it 62 years old. The building has 3 stories.

What schools serve 321 Delphia Ave, Brea, CA?

321 Delphia Ave, Brea, CA is assigned to Brea Junior High School (middle), rated A; Arovista Elementary School (elementary), rated B; Brea Olinda High School (high), rated A+. All sit in Brea-Olinda Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Delphia Ave, Brea, CA compare to other homes in Brea 92821?

Among the 10,781 homes in Brea 92821, it is worth more than 48% of them ($1,000,364 against a typical $1,013,746), its price per square foot is higher than 5% of them ($417 against a typical $529), it is bigger than 78% of them (2,399 ft² against a typical 1,887 ft²), its lot is bigger than 63% of them (0.17 ac against a typical 0.16 ac) and it is newer than 27% of them (1964 against a typical 1975). Measured against all of Orange County, it is worth more than 43% 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 321 Delphia Ave, Brea, CA?

The 2025 property tax bill for 321 Delphia Ave, Brea, CA was $9,644. The county assessed it at $833,296.

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