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Medical BuildingCommercial

3489 CASTRO VALLEY BLVD

CASTRO VALLEY, CA 94546
1.5
Baths
2,400 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,709 (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.$919,393 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$374,324
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$545,069
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$901,368

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Medical Building
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.1945
Lot (acres)The size of the land the home sits on, from county records.0.19
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(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.

E
Castro Valley Elementary SchoolB-
Elementary · Grades KG–5 · 0.4 mi
H
Castro Valley High SchoolA
High · Grades 9–12 · 0.6 mi
M
Creekside Middle SchoolA+
Middle · Grades 6–8 · 0.8 mi

District: Castro Valley Unified School District

Neighborhood · ZIP 94546These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.657

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.46,776
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,466 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,352
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,642
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

3489 Castro Valley Blvd 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.

  • Bigger than 86% of homes in Castro Valley 94546
  • Has a bigger lot than 73% of homes in Alameda County
  • Older than 97% of homes in Castro Valley

How it measures up in Castro Valley 94546

The dot is this home. The mark in the middle is the typical home in Castro Valley 94546.

Living area2,400 ft²
SmallerTypical 1,543 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.19 ac
SmallerTypical 0.15 acBigger

Bigger than 66% of homes nearby

Year built1939
OlderTypical 1955Newer

Newer than 3% of homes nearby

How 3489 Castro Valley Blvd ranks against every home in each area.
MeasureThis homeCastro ValleyCastro Valley 94546Alameda County
Living areabigger than2,400 ft²82% of homes86% of homes83% of homes
Lot sizebigger than0.19 ac69% of homes66% of homes73% of homes
Year builtnewer than19393% of homes3% of homes22% of homes

About 3489 Castro Valley Blvd

When did 3489 Castro Valley Blvd, Castro Valley, CA last sell?

3489 Castro Valley Blvd, Castro Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3489 Castro Valley Blvd, Castro Valley, CA?

3489 Castro Valley Blvd, Castro Valley, CA has 1.5 bathrooms, 2,400 square feet of living space and a 0.19-acre lot.

When was 3489 Castro Valley Blvd, Castro Valley, CA built?

3489 Castro Valley Blvd, Castro Valley, CA was built in 1939, making it 87 years old. The building has 1 story.

What schools serve 3489 Castro Valley Blvd, Castro Valley, CA?

3489 Castro Valley Blvd, Castro Valley, CA is assigned to Castro Valley Elementary School (elementary), rated B-; Castro Valley High School (high), rated A; Creekside Middle School (middle), rated A+. All sit in Castro Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3489 Castro Valley Blvd, Castro Valley, CA compare to other homes in Castro Valley 94546?

Among the 13,469 homes in Castro Valley 94546, it is bigger than 86% of them (2,400 ft² against a typical 1,543 ft²), its lot is bigger than 66% of them (0.19 ac against a typical 0.15 ac) and it is newer than 3% of them (1939 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3489 Castro Valley Blvd, Castro Valley, CA?

The 2025 property tax bill for 3489 Castro Valley Blvd, Castro Valley, CA was $12,709. The county assessed it at $919,393.

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Assigned schools

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