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Single Family ResidenceResidential
$1,059,584$587 / 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 Jul 14, 2026
Last sold for $830,000 on Aug 6, 2020

321 ROUNDTREE CT

BREA, CA 92821
4
Beds
2.5
Baths
1,804 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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

$1.1M
$995K 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.$830,000 · Aug 6, 2020
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.$459,584
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$367,667
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.58%
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.$600,000
FIRST STANDARD FINANCIAL CORP · recorded Aug 6, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,486 (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.$916,386 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$766,601
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,785
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$898,418

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Central
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(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
Brea Country Hills Elementary SchoolA-
Elementary · Grades KG–6 · 0.2 mi
H
Brea Olinda High SchoolA+
High · Grades 9–12 · 0.7 mi
M
Brea Junior High SchoolA
Middle · Grades 7–8 · 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.45,719
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.$111,358
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,523
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%

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

321 Roundtree Ct 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 more per square foot than 69% of homes in Brea 92821
  • Has a smaller lot than 70% 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
$551K$2.1M

This home is worth more than 54% 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$1,059,584
CheaperTypical $1,032,133Pricier

Pricier than 54% of homes nearby

Price per ft²$587
CheaperTypical $538Pricier

Pricier than 69% of homes nearby

Living area1,804 ft²
SmallerTypical 1,869 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 30% of homes nearby

Year built1976
OlderTypical 1975Newer

Newer than 57% of homes nearby

How 321 Roundtree Ct ranks against every home in each area.
MeasureThis homeBrea 92821Orange County
Estimated valuepricier than$1,059,58454% of homes48% of homes
Price per ft²pricier than$58769% of homes40% of homes
Living areabigger than1,804 ft²47% of homes54% of homes
Lot sizebigger than0.13 ac30% of homes31% of homes
Year builtnewer than197657% of homes53% of homes

About 321 Roundtree Ct

How much is 321 Roundtree Ct, Brea, CA worth?

The TopHap Estimate for 321 Roundtree Ct, Brea, CA is $1,059,584 as of Jul 14, 2026. The likely range is $995,404 to $1,123,764. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Roundtree Ct, Brea, CA last sell?

321 Roundtree Ct, Brea, CA last sold on Aug 6, 2020 for $830,000, according to the county's recorded deed.

How big is 321 Roundtree Ct, Brea, CA?

321 Roundtree Ct, Brea, CA has 4 bedrooms, 2.5 bathrooms, 1,804 square feet of living space and a 0.13-acre lot.

When was 321 Roundtree Ct, Brea, CA built?

321 Roundtree Ct, Brea, CA was built in 1976, making it 50 years old. It is a contemporary home. The building has 1 story.

What schools serve 321 Roundtree Ct, Brea, CA?

321 Roundtree Ct, Brea, CA is assigned to Brea Country Hills Elementary School (elementary), rated A-; Brea Olinda High School (high), rated A+; Brea Junior High School (middle), 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 Roundtree Ct, Brea, CA compare to other homes in Brea 92821?

Among the 10,784 homes in Brea 92821, it is worth more than 54% of them ($1,059,584 against a typical $1,032,133), its price per square foot is higher than 69% of them ($587 against a typical $538), it is bigger than 47% of them (1,804 ft² against a typical 1,869 ft²), its lot is bigger than 30% of them (0.13 ac against a typical 0.16 ac) and it is newer than 57% of them (1976 against a typical 1975). Measured against all of Orange County, it is worth more than 48% 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 Roundtree Ct, Brea, CA?

The 2025 property tax bill for 321 Roundtree Ct, Brea, CA was $10,486. The county assessed it at $916,386.

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Assigned schools

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