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CondominiumResidential
$865,343$451 / 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 87How 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
Last sold for $940,000 on Feb 18, 2025

16318 RIDGEHAVEN DR

CASTRO VALLEY, CA 94578
Building report
4
Beds
3.5
Baths
1,918 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
3
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$865K
$755K low$976K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$940,000 · Feb 18, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,388 (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.$958,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$287,640
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$671,160
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$878,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$840,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.20
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.

M
Edendale Middle SchoolF
Middle · Grades 6–8 · 0.7 mi
H
San Lorenzo High SchoolC-
High · Grades 9–12 · 1.3 mi
E
Corvallis Elementary SchoolC
Elementary · Grades KG–5 · 2.4 mi

District: San Lorenzo Unified School District

Neighborhood · ZIP 94578These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.654

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.36,127
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,333 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,965
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

16318 Ridgehaven 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 80% of homes in San Leandro 94578
  • Costs less per square foot than 93% of homes in Castro Valley
  • Bigger than 84% of homes in San Leandro 94578
  • Has a bigger lot than 86% of homes in San Leandro 94578
  • Among the newest homes in Castro Valley

What homes are worth in San Leandro 94578

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

This home
$335K$1.2M

This home is worth more than 80% of homes in San Leandro 94578.

How it measures up in San Leandro 94578

The dot is this home. The mark in the middle is the typical home in San Leandro 94578.

Estimated value$865,343
CheaperTypical $721,454Pricier

Pricier than 80% of homes nearby

Price per ft²$451
CheaperTypical $533Pricier

Pricier than 20% of homes nearby

Living area1,918 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.2 ac
SmallerTypical 0.13 acBigger

Bigger than 86% of homes nearby

Year built2020
OlderTypical 1953Newer

Newer than almost all homes nearby

How 16318 Ridgehaven Dr ranks against every home in each area.
MeasureThis homeCastro ValleySan Leandro 94578Alameda County
Estimated valuepricier than$865,34328% of homes80% of homes37% of homes
Price per ft²pricier than$4517% of homes20% of homes10% of homes
Living areabigger than1,918 ft²61% of homes84% of homes68% of homes
Lot sizebigger than0.2 ac73% of homes86% of homes76% of homes
Year builtnewer than2020almost all homesalmost all homes98% of homes

About 16318 Ridgehaven Dr

How much is 16318 Ridgehaven Dr, Castro Valley, CA worth?

The TopHap Estimate for 16318 Ridgehaven Dr, Castro Valley, CA is $865,343 as of Aug 30, 2026. The likely range is $754,865 to $975,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16318 Ridgehaven Dr, Castro Valley, CA last sell?

16318 Ridgehaven Dr, Castro Valley, CA last sold on Feb 18, 2025 for $940,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 16318 Ridgehaven Dr, Castro Valley, CA?

16318 Ridgehaven Dr, Castro Valley, CA has 4 bedrooms, 3.5 bathrooms, 1,918 square feet of living space and a 0.20-acre lot.

When was 16318 Ridgehaven Dr, Castro Valley, CA built?

16318 Ridgehaven Dr, Castro Valley, CA was built in 2020, making it 6 years old. It is a condo/apartment home. The building has 3 stories.

What schools serve 16318 Ridgehaven Dr, Castro Valley, CA?

16318 Ridgehaven Dr, Castro Valley, CA is assigned to Edendale Middle School (middle), rated F; San Lorenzo High School (high), rated C-; Corvallis Elementary School (elementary), rated C. All sit in San Lorenzo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16318 Ridgehaven Dr, Castro Valley, CA compare to other homes in San Leandro 94578?

Among the 7,901 homes in San Leandro 94578, it is worth more than 80% of them ($865,343 against a typical $721,454), its price per square foot is higher than 20% of them ($451 against a typical $533), it is bigger than 84% of them (1,918 ft² against a typical 1,340 ft²), its lot is bigger than 86% of them (0.2 ac against a typical 0.13 ac) and it is newer than almost all of them (2020 against a typical 1953). Measured against all of Alameda County, it is worth more than 37% 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 16318 Ridgehaven Dr, Castro Valley, CA?

The 2025 property tax bill for 16318 Ridgehaven Dr, Castro Valley, CA was $11,388. The county assessed it at $958,800.

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Assigned schools

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