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Single Family ResidenceResidential
$1,103,713$837 / 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 92How 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

1901 ALCATRAZ AVE

BERKELEY, CA 94703
3
Beds
2
Baths
1,318 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1M low$1.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,501 (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.$212,048 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,740
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,308
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$207,754
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$928,620

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyALAMEDA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1916
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

E
Malcom X Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
M
Willard Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi
H
Berkeley High SchoolA
High · Grades 9–12 · 1.3 mi

District: Berkeley Unified School District

Neighborhood · ZIP 94703These 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.159
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.566

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
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.1.4%
PopulationHow many people live in this area.20,913
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.15,694 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,924
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,132
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

1901 Alcatraz Ave 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.

  • Costs more per square foot than 78% of homes in Alameda County
  • Smaller than 68% of homes in South Berkeley
  • Has a smaller lot than 72% of homes in Alameda County
  • Older than 97% of homes in Alameda County

What homes are worth in Berkeley 94703

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

This home
$538K$2.2M

This home is worth more than 46% of homes in Berkeley 94703.

How it measures up in Berkeley 94703

The dot is this home. The mark in the middle is the typical home in Berkeley 94703.

Estimated value$1,103,713
CheaperTypical $1,135,730Pricier

Pricier than 46% of homes nearby

Price per ft²$837
CheaperTypical $851Pricier

Pricier than 48% of homes nearby

Living area1,318 ft²
SmallerTypical 1,565 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 50% of homes nearby

Year built1905
OlderTypical 1920Newer

Newer than 14% of homes nearby

How 1901 Alcatraz Ave ranks against every home in each area.
MeasureThis homeSouth BerkeleyBerkeley 94703Alameda County
Estimated valuepricier than$1,103,71359% of homes46% of homes53% of homes
Price per ft²pricier than$83764% of homes48% of homes78% of homes
Living areabigger than1,318 ft²32% of homes35% of homes34% of homes
Lot sizebigger than0.11 ac49% of homes50% of homes28% of homes
Year builtnewer than190520% of homes14% of homes3% of homes

About 1901 Alcatraz Ave

How much is 1901 Alcatraz Ave, Berkeley, CA worth?

The TopHap Estimate for 1901 Alcatraz Ave, Berkeley, CA is $1,103,713 as of Aug 30, 2026. The likely range is $1,011,667 to $1,195,759. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1901 Alcatraz Ave, Berkeley, CA last sell?

1901 Alcatraz Ave, Berkeley, CA last sold on Feb 25, 2021, according to the county's recorded deed.

How big is 1901 Alcatraz Ave, Berkeley, CA?

1901 Alcatraz Ave, Berkeley, CA has 3 bedrooms, 2 bathrooms, 1,318 square feet of living space and a 0.11-acre lot.

When was 1901 Alcatraz Ave, Berkeley, CA built?

1901 Alcatraz Ave, Berkeley, CA was built in 1905, making it 121 years old. The building has 1 story.

What schools serve 1901 Alcatraz Ave, Berkeley, CA?

1901 Alcatraz Ave, Berkeley, CA is assigned to Malcom X Elementary School (elementary), rated A; Willard Middle School (middle), rated A+; Berkeley High School (high), rated A. All sit in Berkeley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1901 Alcatraz Ave, Berkeley, CA compare to other homes in Berkeley 94703?

Among the 4,422 homes in Berkeley 94703, it is worth more than 46% of them ($1,103,713 against a typical $1,135,730), its price per square foot is higher than 48% of them ($837 against a typical $851), it is bigger than 35% of them (1,318 ft² against a typical 1,565 ft²), its lot is bigger than 50% of them (0.11 ac against a typical 0.11 ac) and it is newer than 14% of them (1905 against a typical 1920). Measured against all of Alameda County, it is worth more than 53% 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 1901 Alcatraz Ave, Berkeley, CA?

The 2025 property tax bill for 1901 Alcatraz Ave, Berkeley, CA was $6,501. The county assessed it at $212,048.

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