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Single Family ResidenceResidential
$1,464,977$506 / 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 Sep 24, 2026

2973 SHAMROCK AVE

BREA, CA 92821
3
Beds
2.5
Baths
2,898 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
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

$1.5M
$1.4M low$1.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,082 (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.$733,766 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$398,899
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$334,867
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$719,379

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.0.32
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(3)

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.

H
Brea Olinda High SchoolA-
High · Grades 9–12 · 1.2 mi
M
Brea Junior High SchoolA-
Middle · Grades 7–8 · 2.1 mi
E
Olinda Elementary SchoolA+
Elementary · Grades KG–6 · 3.0 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

2973 Shamrock 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.

  • Worth more than 91% of homes in Brea 92821
  • Costs less per square foot than 90% of homes in Orange County
  • Bigger than 89% of homes in Brea 92821
  • Has a bigger lot than 96% of homes in Brea 92821
  • Newer than 68% 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
$559K$2.4M

This home is worth more than 91% 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$1,464,977
CheaperTypical $1,066,358Pricier

Pricier than 91% of homes nearby

Price per ft²$506
CheaperTypical $561Pricier

Pricier than 21% of homes nearby

Living area2,898 ft²
SmallerTypical 1,882 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.32 ac
SmallerTypical 0.16 acBigger

Bigger than 96% of homes nearby

Year built1979
OlderTypical 1975Newer

Newer than 68% of homes nearby

How 2973 Shamrock Ave ranks against every home in each area.
MeasureThis homeBrea 92821Orange County
Estimated valuepricier than$1,464,97791% of homes71% of homes
Price per ft²pricier than$50621% of homes10% of homes
Living areabigger than2,898 ft²89% of homes86% of homes
Lot sizebigger than0.32 ac96% of homes93% of homes
Year builtnewer than197968% of homes60% of homes

About 2973 Shamrock Ave

How much is 2973 Shamrock Ave, Brea, CA worth?

The TopHap Estimate for 2973 Shamrock Ave, Brea, CA is $1,464,977 as of Sep 24, 2026. The likely range is $1,350,479 to $1,579,475. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2973 Shamrock Ave, Brea, CA last sell?

2973 Shamrock Ave, Brea, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 2973 Shamrock Ave, Brea, CA?

2973 Shamrock Ave, Brea, CA has 3 bedrooms, 2.5 bathrooms, 2,898 square feet of living space and a 0.32-acre lot.

When was 2973 Shamrock Ave, Brea, CA built?

2973 Shamrock Ave, Brea, CA was built in 1979, making it 47 years old.

What schools serve 2973 Shamrock Ave, Brea, CA?

2973 Shamrock Ave, Brea, CA is assigned to Brea Olinda High School (high), rated A-; Brea Junior High School (middle), rated A-; Olinda Elementary School (elementary), rated A+. All sit in Brea-Olinda Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2973 Shamrock Ave, Brea, CA compare to other homes in Brea 92821?

Among the 10,782 homes in Brea 92821, it is worth more than 91% of them ($1,464,977 against a typical $1,066,358), its price per square foot is higher than 21% of them ($506 against a typical $561), it is bigger than 89% of them (2,898 ft² against a typical 1,882 ft²), its lot is bigger than 96% of them (0.32 ac against a typical 0.16 ac) and it is newer than 68% of them (1979 against a typical 1975). Measured against all of Orange County, it is worth more than 71% 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 2973 Shamrock Ave, Brea, CA?

The 2025 property tax bill for 2973 Shamrock Ave, Brea, CA was $9,082. The county assessed it at $733,766.

More homes on Shamrock Ave

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