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Single Family ResidenceResidential
$1,903,055
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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

BOULDER CANYON DR

CASTRO VALLEY, CA 94552
0
Baths
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.9M
$1.6M low$2.2M high

Tax & Assessment

Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,490,310

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.103 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.52
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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 · 0.8 mi
M
Canyon Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi
H
Castro Valley High SchoolA-
High · Grades 9–12 · 2.1 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

Boulder Canyon Dr 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 97% of homes in Castro Valley
  • Has a bigger lot than 93% of homes in Castro Valley

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
$799K$2.6M

This home is worth more than 92% 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$1,903,055
CheaperTypical $1,439,738Pricier

Pricier than 92% of homes nearby

Lot size0.52 ac
SmallerTypical 0.16 acBigger

Bigger than 89% of homes nearby

How Boulder Canyon Dr ranks against every home in each area.
MeasureThis homeCastro ValleyCastro Valley 94552Alameda County
Estimated valuepricier than$1,903,05597% of homes92% of homes90% of homes
Lot sizebigger than0.52 ac93% of homes89% of homes90% of homes

About Boulder Canyon Dr

How much is Boulder Canyon Dr, Castro Valley, CA worth?

The TopHap Estimate for Boulder Canyon Dr, Castro Valley, CA is $1,903,055 as of Oct 21, 2026. The likely range is $1,628,250 to $2,177,860. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Boulder Canyon Dr, Castro Valley, CA last sell?

Boulder Canyon Dr, Castro Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve Boulder Canyon Dr, Castro Valley, CA?

Boulder Canyon Dr, 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 Boulder Canyon Dr, Castro Valley, CA compare to other homes in Castro Valley 94552?

Among the 5,079 homes in Castro Valley 94552, it is worth more than 92% of them ($1,903,055 against a typical $1,439,738) and its lot is bigger than 89% of them (0.52 ac against a typical 0.16 ac). Measured against all of Alameda County, it is worth more than 90% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Boulder Canyon Dr

Closest homes

More homes in Castro Valley 94552

Assigned schools

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