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Single Family ResidenceResidential
$1,311,139$635 / 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 95How 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

4166 CHAPARRAL PL

CASTRO VALLEY, CA 94552
3
Beds
2
Baths
2,066 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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.

Valuation

$1.3M
$1.2M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,558 (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.$1,269,668 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$380,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$888,768
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,244,782
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,209,060

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.Custom Design
CountyALAMEDA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1968
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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
Independent Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Canyon Middle SchoolB+
Middle · Grades 6–8 · 0.6 mi
H
Castro Valley High SchoolA
High · Grades 9–12 · 1.6 mi

District: Castro Valley Unified School District

Neighborhood · ZIP 94552These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.512

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.19,640
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.310 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$174,412
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$210,558
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.27 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

4166 Chaparral Pl 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 73% of homes in Castro Valley
  • Costs less per square foot than 69% of homes in Castro Valley 94552
  • Bigger than 73% of homes in Alameda County
  • Has a bigger lot than 79% of homes in Alameda County
  • Older than 88% of homes in Castro Valley 94552

What homes are worth in Castro Valley 94552

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

This home
$756K$2.3M

This home is worth more than 30% of homes in Castro Valley 94552.

How it measures up in Castro Valley 94552

The dot is this home. The mark in the middle is the typical home in Castro Valley 94552.

Estimated value$1,311,139
CheaperTypical $1,470,109Pricier

Pricier than 30% of homes nearby

Price per ft²$635
CheaperTypical $666Pricier

Pricier than 31% of homes nearby

Living area2,066 ft²
SmallerTypical 2,197 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.23 ac
SmallerTypical 0.16 acBigger

Bigger than 73% of homes nearby

Year built1967
OlderTypical 1990Newer

Newer than 12% of homes nearby

How 4166 Chaparral Pl ranks against every home in each area.
MeasureThis homeCastro ValleyCastro Valley 94552Alameda County
Estimated valuepricier than$1,311,13973% of homes30% of homes66% of homes
Price per ft²pricier than$63550% of homes31% of homes45% of homes
Living areabigger than2,066 ft²68% of homes41% of homes73% of homes
Lot sizebigger than0.23 ac78% of homes73% of homes79% of homes
Year builtnewer than196761% of homes12% of homes54% of homes

About 4166 Chaparral Pl

How much is 4166 Chaparral Pl, Castro Valley, CA worth?

The TopHap Estimate for 4166 Chaparral Pl, Castro Valley, CA is $1,311,139 as of Aug 30, 2026. The likely range is $1,247,008 to $1,375,270. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4166 Chaparral Pl, Castro Valley, CA last sell?

4166 Chaparral Pl, Castro Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4166 Chaparral Pl, Castro Valley, CA?

4166 Chaparral Pl, Castro Valley, CA has 3 bedrooms, 2 bathrooms, 2,066 square feet of living space and a 0.23-acre lot.

When was 4166 Chaparral Pl, Castro Valley, CA built?

4166 Chaparral Pl, Castro Valley, CA was built in 1967, making it 59 years old. It is a custom design home. The building has 1 story.

What schools serve 4166 Chaparral Pl, Castro Valley, CA?

4166 Chaparral Pl, Castro Valley, CA is assigned to Independent Elementary School (elementary), rated A; Canyon Middle School (middle), rated B+; Castro Valley High School (high), rated A. All sit in Castro Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4166 Chaparral Pl, Castro Valley, CA compare to other homes in Castro Valley 94552?

Among the 5,078 homes in Castro Valley 94552, it is worth more than 30% of them ($1,311,139 against a typical $1,470,109), its price per square foot is higher than 31% of them ($635 against a typical $666), it is bigger than 41% of them (2,066 ft² against a typical 2,197 ft²), its lot is bigger than 73% of them (0.23 ac against a typical 0.16 ac) and it is newer than 12% of them (1967 against a typical 1990). Measured against all of Alameda County, it is worth more than 66% 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 4166 Chaparral Pl, Castro Valley, CA?

The 2025 property tax bill for 4166 Chaparral Pl, Castro Valley, CA was $15,558. The county assessed it at $1,269,668.

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