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Multi-Family Dwellings (Generic, Any Combination)Residential
Last sold for $1,791,000 on Dec 31, 2013

20188 WISTERIA ST

CASTRO VALLEY, CA 94546
11
Baths
9,328 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,791,000 · Dec 31, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$33,706 (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.$2,228,320 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$750,192
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,478,128
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,184,638

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Multi-Family Dwellings (Generic, Any Combination)
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.43
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(5)

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 SchoolA-
Elementary · Grades KG–5 · 0.2 mi
H
Castro Valley High SchoolA-
High · Grades 9–12 · 0.6 mi
M
Creekside Middle SchoolA
Middle · Grades 6–8 · 1.4 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

20188 Wisteria St 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.

  • Among the largest homes in Alameda County
  • Has a bigger lot than 92% of homes in Castro Valley
  • Newer than 70% of homes in Castro Valley 94546

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 area9,328 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than almost all homes nearby

Lot size0.43 ac
SmallerTypical 0.15 acBigger

Bigger than 88% of homes nearby

Year built1963
OlderTypical 1955Newer

Newer than 70% of homes nearby

How 20188 Wisteria St ranks against every home in each area.
MeasureThis homeCastro ValleyCastro Valley 94546Alameda County
Living areabigger than9,328 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.43 ac92% of homes88% of homes88% of homes
Year builtnewer than196356% of homes70% of homes50% of homes

About 20188 Wisteria St

When did 20188 Wisteria St, Castro Valley, CA last sell?

20188 Wisteria St, Castro Valley, CA last sold on Dec 31, 2013 for $1,791,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 20188 Wisteria St, Castro Valley, CA?

20188 Wisteria St, Castro Valley, CA has 11 bathrooms, 9,328 square feet of living space and a 0.43-acre lot.

When was 20188 Wisteria St, Castro Valley, CA built?

20188 Wisteria St, Castro Valley, CA was built in 1963, making it 63 years old. The building has 2 stories.

What schools serve 20188 Wisteria St, Castro Valley, CA?

20188 Wisteria St, Castro Valley, CA is assigned to Castro Valley Elementary School (elementary), rated A-; 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 20188 Wisteria St, Castro Valley, CA compare to other homes in Castro Valley 94546?

Among the 13,475 homes in Castro Valley 94546, it is bigger than almost all of them (9,328 ft² against a typical 1,544 ft²), its lot is bigger than 88% of them (0.43 ac against a typical 0.15 ac) and it is newer than 70% of them (1963 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 20188 Wisteria St, Castro Valley, CA?

The 2025 property tax bill for 20188 Wisteria St, Castro Valley, CA was $33,706. The county assessed it at $2,228,320.

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