Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $435,000 on Mar 23, 2011

1821 8TH ST

ALAMEDA, CA 94501
3
Beds
2
Baths
1,582 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.
4,180 ft²
Lot SizeThe size of the land the home sits on, from county records.
1953
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.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$435,000 · Mar 23, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,273 (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.$568,422 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$170,526
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$397,896
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$557,277

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.5 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.10
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.

E
Ruby Bridges Elementary SchoolB
Elementary · Grades KG–5 · 0.8 mi
M
Encinal Jr. & Sr. High School SchoolB+
Middle · Grades 6–12 · 0.9 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

1821 8th St 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.

  • Has a smaller lot than 79% of homes in Alameda County

How it measures up in Alameda 94501

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

Living area1,582 ft²
SmallerTypical 1,646 ft²Bigger

Bigger than 47% of homes nearby

Lot size4,180 ft²
SmallerTypical 0.11 acBigger

Bigger than 32% of homes nearby

Year built1953
OlderTypical 1933Newer

Newer than 60% of homes nearby

How 1821 8th St ranks against every home in each area.
MeasureThis homeWest EndAlameda 94501Alameda County
Living areabigger than1,582 ft²46% of homes47% of homes51% of homes
Lot sizebigger than4,180 ft²35% of homes32% of homes21% of homes
Year builtnewer than195354% of homes60% of homes36% of homes

About 1821 8th St

When did 1821 8th St, Alameda, CA last sell?

1821 8th St, Alameda, CA last sold on Mar 23, 2011 for $435,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1821 8th St, Alameda, CA?

1821 8th St, Alameda, CA has 3 bedrooms, 2 bathrooms, 1,582 square feet of living space and a 0.10-acre lot.

When was 1821 8th St, Alameda, CA built?

1821 8th St, Alameda, CA was built in 1953, making it 73 years old. The building has 2 stories.

What schools serve 1821 8th St, Alameda, CA?

1821 8th St, Alameda, CA is assigned to Ruby Bridges 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 1821 8th St, Alameda, CA compare to other homes in Alameda 94501?

Among the 14,787 homes in Alameda 94501, it is bigger than 47% of them (1,582 ft² against a typical 1,646 ft²), its lot is bigger than 32% of them (4,180 ft² against a typical 0.11 ac) and it is newer than 60% of them (1953 against a typical 1933). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1821 8th St, Alameda, CA?

The 2025 property tax bill for 1821 8th St, Alameda, CA was $9,273. The county assessed it at $568,422.

More homes on 8th St

Closest homes

More homes in Alameda 94501

Assigned schools

Explore the area

See this home in context

Open 1821 8th St 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