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Single Family ResidenceResidential
$1,566,982
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 94How 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

ADELPHIAN WAY

ALAMEDA, CA 94501
0
Baths
4.2 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.6M
$1.5M low$1.7M high

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.38 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 coastal 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.Single Family Residence
CountyALAMEDA
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

Adelphian Way 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 85% of homes in Alameda 94501
  • Among the largest lots in Harbor Bay Isle

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 85% 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$1,566,982
CheaperTypical $1,119,647Pricier

Pricier than 85% of homes nearby

Lot size4.2 ac
SmallerTypical 0.11 acBigger

Bigger than 98% of homes nearby

How Adelphian Way ranks against every home in each area.
MeasureThis homeHarbor Bay IsleAlameda 94501Alameda County
Estimated valuepricier than$1,566,98276% of homes85% of homes79% of homes
Lot sizebigger than4.2 acalmost all homes98% of homes97% of homes

About Adelphian Way

How much is Adelphian Way, Alameda, CA worth?

The TopHap Estimate for Adelphian Way, Alameda, CA is $1,566,982 as of Sep 24, 2026. The likely range is $1,474,060 to $1,659,904. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Adelphian Way, Alameda, CA last sell?

Adelphian Way, Alameda, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How does Adelphian Way, Alameda, CA compare to other homes in Alameda 94501?

Among the 14,802 homes in Alameda 94501, it is worth more than 85% of them ($1,566,982 against a typical $1,119,647) and its lot is bigger than 98% of them (4.2 ac against a typical 0.11 ac). Measured against all of Alameda County, it is worth more than 79% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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