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CondominiumResidential
$855,619$632 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $382,000 on Sep 19, 2002

420 COLA BALLENA

ALAMEDA, CA 94501
Building report
2
Beds
2
Baths
1,353 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.
2.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$856K
$814K low$897K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$382,000 · Sep 19, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,493 (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.$557,274 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$169,282
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$394,992
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$546,211
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$824,670

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.Custom Design
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.No

Transaction History(2)

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
Paden Elementary SchoolB+
Elementary · Grades KG–5 · 0.2 mi
M
Encinal Jr. & Sr. High School SchoolB+
Middle · Grades 6–12 · 0.3 mi

District: Alameda City Unified School District

Neighborhood · ZIP 94501These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.409

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.61,491
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,273
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,309
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

420 Cola Ballena 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 less than 82% of homes in Ballena Bay
  • Costs less per square foot than 70% of homes in Alameda 94501
  • Smaller than 93% of homes in Ballena Bay
  • Has a bigger lot than 96% of homes in Alameda County
  • Newer than 80% of homes in Alameda 94501

What homes are worth in Alameda 94501

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

This home
$387K$2.2M

This home is worth more than 23% of homes in Alameda 94501.

How it measures up in Alameda 94501

The dot is this home. The mark in the middle is the typical home in Alameda 94501.

Estimated value$855,619
CheaperTypical $1,119,647Pricier

Pricier than 23% of homes nearby

Price per ft²$632
CheaperTypical $718Pricier

Pricier than 30% of homes nearby

Living area1,353 ft²
SmallerTypical 1,656 ft²Bigger

Bigger than 33% of homes nearby

Lot size2.3 ac
SmallerTypical 0.11 acBigger

Bigger than 95% of homes nearby

Year built1971
OlderTypical 1931Newer

Newer than 80% of homes nearby

How 420 Cola Ballena ranks against every home in each area.
MeasureThis homeBallena BayAlameda 94501Alameda County
Estimated valuepricier than$855,61918% of homes23% of homes36% of homes
Price per ft²pricier than$63249% of homes30% of homes44% of homes
Living areabigger than1,353 ft²7% of homes33% of homes36% of homes
Lot sizebigger than2.3 ac75% of homes95% of homes96% of homes
Year builtnewer than197149% of homes80% of homes60% of homes

About 420 Cola Ballena

How much is 420 Cola Ballena, Alameda, CA worth?

The TopHap Estimate for 420 Cola Ballena, Alameda, CA is $855,619 as of Sep 24, 2026. The likely range is $813,893 to $897,345. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Cola Ballena, Alameda, CA last sell?

420 Cola Ballena, Alameda, CA last sold on Sep 19, 2002 for $382,000, according to the county's recorded deed.

How big is 420 Cola Ballena, Alameda, CA?

420 Cola Ballena, Alameda, CA has 2 bedrooms, 2 bathrooms and 1,353 square feet of living space.

When was 420 Cola Ballena, Alameda, CA built?

420 Cola Ballena, Alameda, CA was built in 1971, making it 55 years old. It is a custom design home.

What schools serve 420 Cola Ballena, Alameda, CA?

420 Cola Ballena, Alameda, CA is assigned to Paden Elementary School (elementary), rated B+; Encinal Jr. & Sr. High School School (middle), rated B+. All sit in Alameda City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Cola Ballena, Alameda, CA compare to other homes in Alameda 94501?

Among the 14,802 homes in Alameda 94501, it is worth more than 23% of them ($855,619 against a typical $1,119,647), its price per square foot is higher than 30% of them ($632 against a typical $718), it is bigger than 33% of them (1,353 ft² against a typical 1,656 ft²), its lot is bigger than 95% of them (2.3 ac against a typical 0.11 ac) and it is newer than 80% of them (1971 against a typical 1931). Measured against all of Alameda County, it is worth more than 36% 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 420 Cola Ballena, Alameda, CA?

The 2025 property tax bill for 420 Cola Ballena, Alameda, CA was $8,493. The county assessed it at $557,274.

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