Skip to content
Skip to content
TopHapOpen in map
TownhouseResidential
$1,729,633$753 / 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 85How 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 $750,000 on Feb 28, 2017

447 COLA BALLENA

ALAMEDA, CA 94501
3
Beds
2
Baths
2,296 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.
2,496 ft²
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
2
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.7M
$1.5M low$2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$750,000 · Feb 28, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,306 (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.$1,160,094 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$348,028
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$812,066
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,137,348

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.29 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.06
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Paden Elementary SchoolB+
Elementary · Grades KG–5 · 0.2 mi
M
Encinal Jr. & Sr. High School SchoolB+
Middle · Grades 6–12 · 0.4 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%

Owner Tools

Do you own this home?
Claim this home

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

447 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 more than 91% of homes in Alameda 94501
  • Costs more per square foot than 71% of homes in Ballena Bay
  • Bigger than 82% of homes in Ballena Bay
  • Has a smaller lot than 95% of homes in Alameda 94501
  • Newer than 76% 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
$394K$2.2M

This home is worth more than 91% 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$1,729,633
CheaperTypical $1,125,123Pricier

Pricier than 91% of homes nearby

Price per ft²$753
CheaperTypical $718Pricier

Pricier than 60% of homes nearby

Living area2,296 ft²
SmallerTypical 1,654 ft²Bigger

Bigger than 75% of homes nearby

Lot size2,496 ft²
SmallerTypical 0.11 acBigger

Bigger than 5% of homes nearby

Year built1969
OlderTypical 1933Newer

Newer than 76% of homes nearby

How 447 Cola Ballena ranks against every home in each area.
MeasureThis homeBallena BayAlameda 94501Alameda County
Estimated valuepricier than$1,729,63381% of homes91% of homes85% of homes
Price per ft²pricier than$75371% of homes60% of homes67% of homes
Living areabigger than2,296 ft²82% of homes75% of homes80% of homes
Lot sizebigger than2,496 ft²41% of homes5% of homes7% of homes
Year builtnewer than196925% of homes76% of homes56% of homes

About 447 Cola Ballena

How much is 447 Cola Ballena, Alameda, CA worth?

The TopHap Estimate for 447 Cola Ballena, Alameda, CA is $1,729,633 as of Sep 24, 2026. The likely range is $1,477,156 to $1,982,110. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 447 Cola Ballena, Alameda, CA last sell?

447 Cola Ballena, Alameda, CA last sold on Feb 28, 2017 for $750,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 447 Cola Ballena, Alameda, CA?

447 Cola Ballena, Alameda, CA has 3 bedrooms, 2 bathrooms, 2,296 square feet of living space and a 0.06-acre lot.

When was 447 Cola Ballena, Alameda, CA built?

447 Cola Ballena, Alameda, CA was built in 1969, making it 57 years old. It is a custom design home. The building has 2 stories.

What schools serve 447 Cola Ballena, Alameda, CA?

447 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 447 Cola Ballena, Alameda, CA compare to other homes in Alameda 94501?

Among the 14,802 homes in Alameda 94501, it is worth more than 91% of them ($1,729,633 against a typical $1,125,123), its price per square foot is higher than 60% of them ($753 against a typical $718), it is bigger than 75% of them (2,296 ft² against a typical 1,654 ft²), its lot is bigger than 5% of them (2,496 ft² against a typical 0.11 ac) and it is newer than 76% of them (1969 against a typical 1933). Measured against all of Alameda County, it is worth more than 85% 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 447 Cola Ballena, Alameda, CA?

The 2025 property tax bill for 447 Cola Ballena, Alameda, CA was $16,306. The county assessed it at $1,160,094.

More homes on Cola Ballena

Closest homes

More homes in Alameda 94501

Assigned schools

Explore the area

See this home in context

Open 447 Cola Ballena on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map