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CondominiumResidential
Last sold for $300,000 on Oct 22, 2012

20111 W RIDGE CT

CASTRO VALLEY, CA 94546
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 197718 units1,440–1,602 ft²
$12M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$658K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$440
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-34.4%vs the Castro Valley ZIP median sale $/ft² ($670)

Sales Performance

$700K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-1.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
16.7%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+6.0%per yeartypical hold 6.8 yrsfrom 52 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881993199820032008201520202026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881993199820032008201520202026

84 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$625K$647K$669K$691K1,440 ft²1,472 ft²1,505 ft²1,537 ft²1,570 ft²1,602 ft²
2 bd
2 bed
18 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2.5 ba · 1,467 ft²
10 units
2 bd · 2.5 ba · 1,440 ft²
4 units
2 bd · 2.5 ba · 1,602 ft²
4 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$625K–$630K
2 units
$640K–$640K
2 units
$643K–$648K
3 units
$652K–$655K
2 units
$661K–$661K
1 unit
$672K–$672K
1 unit
$675K–$679K
2 units
$686K–$691K
5 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.72%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.44%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.19.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.13%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.48%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$657,270
Median tax billThe middle annual property tax bill among the building's units.$8,202
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

BuildingMay 1, 2026$700,000BuildingMar 31, 2026$719,000Unit 12Jan 15, 2026$699,000Unit 4Apr 11, 2025$710,000Unit 16Dec 12, 2024$720,000BuildingSep 12, 2024$710,000BuildingAug 8, 2024$705,000BuildingMar 22, 2022$780,000BuildingMar 31, 2021$760,000BuildingDec 8, 2020$600,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,268 (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.$376,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$113,040
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$263,760
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$369,413
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$607,680

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyALAMEDA
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.Yes

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Stanton Elementary SchoolB-
Elementary · Grades KG–5 · 0.3 mi
H
Castro Valley High SchoolA
High · Grades 9–12 · 1.1 mi
M
Creekside Middle SchoolA+
Middle · Grades 6–8 · 1.9 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$642K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$660K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$634K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$677K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$633K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$613K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$658K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$658K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$677K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$636K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$695K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$645K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,602 ft²
$680K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,602 ft²
$710K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$650K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,467 ft²
$637K
20111 W Ridge Ct # 4
2 bd · 2.5 ba · 1,467 ft²
$686K
20111 W Ridge Ct # 5
2 bd · 2.5 ba · 1,467 ft²
$655K
20111 W Ridge Ct # 7
2 bd · 2.5 ba · 1,467 ft²
$675K
20111 W Ridge Ct # 8
2 bd · 2.5 ba · 1,467 ft²
$630K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,440 ft²
$652K
20111 W Ridge Ct # 12
2 bd · 2.5 ba · 1,440 ft²
$688K
20111 W Ridge Ct # 16
2 bd · 2.5 ba · 1,440 ft²
$690K
20111 W Ridge Ct # 17
2 bd · 2.5 ba · 1,440 ft²
$625K
20111 W Ridge Ct
2 bd · 2.5 ba · 1,602 ft²
$679K
20111 W Ridge Ct # 21
2 bd · 2.5 ba · 1,602 ft²
$689K
20111 W Ridge Ct # 22
2 bd · 2.5 ba · 1,602 ft²
$691K
20111 W Ridge Ct # 25
2 bd · 2.5 ba · 1,602 ft²
$672K
20111 W Ridge Ct # 26
2 bd · 2.5 ba · 1,467 ft²
$640K
20111 W Ridge Ct # 27
2 bd · 2.5 ba · 1,467 ft²
$643K
20111 W Ridge Ct # 29
2 bd · 2.5 ba · 1,467 ft²
$647K
20111 W Ridge Ct # 30
2 bd · 2.5 ba · 1,467 ft²
$661K
20111 W Ridge Ct # 31
2 bd · 2.5 ba · 1,467 ft²
$648K
20111 W Ridge Ct # 33
2 bd · 2.5 ba · 1,467 ft²
$640K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 20111 W Ridge Ct

How many units are in 20111 W Ridge Ct, Castro Valley, CA?

20111 W Ridge Ct, Castro Valley, CA has 18 residential units across built in 1977, according to county assessor records.

What is a unit at 20111 W Ridge Ct, Castro Valley, CA worth?

The median TopHap Estimate across the 18 units at 20111 W Ridge Ct, Castro Valley, CA is $657,604. That works out to $440 per square foot. Units run from 1,440 to 1,602 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 20111 W Ridge Ct, Castro Valley, CA expensive for Castro Valley?

Units at 20111 W Ridge Ct, Castro Valley, CA carry a median of $440 per square foot, 34% below the Castro Valley median of $670 per square foot.

How often do units sell at 20111 W Ridge Ct, Castro Valley, CA?

3 units at 20111 W Ridge Ct, Castro Valley, CA sold in the last 12 months, out of 84 recorded arms-length sales all time. That is a turnover rate of 16.7% of the building per year. The median sale over that period was $700K.

Have units at 20111 W Ridge Ct, Castro Valley, CA appreciated?

Across 52 repeat sales of the same unit, 20111 W Ridge Ct, Castro Valley, CA returned a median 6.0% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.8 years.

What floor plans does 20111 W Ridge Ct, Castro Valley, CA have?

The most common plan at 20111 W Ridge Ct, Castro Valley, CA is a 2-bedroom of 1,467 square feet, repeated 10 times, with a median estimate of $647,464. TopHap identifies 3 recurring plans in the building.

More homes on W Ridge Ct

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Assigned schools

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