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Single Family ResidenceResidential
$538,920$365 / 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 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
Last sold for $370,000 on Oct 6, 2005

7830 ALDER ST

OAKLAND, CA 94621
2
Beds
1
Baths
1,476 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.
1912
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$539K
$508K low$570K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$370,000 · Oct 6, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,326 (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.$508,698 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$154,709
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$360,989
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$498,590
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$545,850

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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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.Single Family Residence
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.12
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(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
East Oakland Pride Elementary SchoolD-
Elementary · Grades KG–5 · 0.3 mi
M
Coliseum College Prep AcademyC+
Middle · Grades 6–12 · 0.7 mi

District: Oakland Unified School District

Neighborhood · ZIP 94621These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.533

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
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.38,693
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,985 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,663
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,798
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

7830 Alder 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.

  • Worth more than 88% of homes in Oakland 94621
  • Costs less per square foot than 97% of homes in Alameda County
  • Bigger than 76% of homes in Oakland 94621
  • Has a smaller lot than 71% of homes in Alameda County
  • Older than 96% of homes in Arroyo Viejo

What homes are worth in Oakland 94621

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

This home
$270K$650K

This home is worth more than 88% of homes in Oakland 94621.

How it measures up in Oakland 94621

The dot is this home. The mark in the middle is the typical home in Oakland 94621.

Estimated value$538,920
CheaperTypical $421,863Pricier

Pricier than 88% of homes nearby

Price per ft²$365
CheaperTypical $398Pricier

Pricier than 35% of homes nearby

Living area1,476 ft²
SmallerTypical 1,116 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.11 ac
SmallerTypical 4,095 ft²Bigger

Bigger than 67% of homes nearby

Year built1912
OlderTypical 1925Newer

Newer than 11% of homes nearby

How 7830 Alder St ranks against every home in each area.
MeasureThis homeArroyo ViejoOakland 94621Alameda County
Estimated valuepricier than$538,92070% of homes88% of homes12% of homes
Price per ft²pricier than$36513% of homes35% of homes3% of homes
Living areabigger than1,476 ft²75% of homes76% of homes44% of homes
Lot sizebigger than0.11 ac66% of homes67% of homes29% of homes
Year builtnewer than19124% of homes11% of homes7% of homes

About 7830 Alder St

How much is 7830 Alder St, Oakland, CA worth?

The TopHap Estimate for 7830 Alder St, Oakland, CA is $538,920 as of Sep 24, 2026. The likely range is $508,321 to $569,519. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7830 Alder St, Oakland, CA last sell?

7830 Alder St, Oakland, CA last sold on Oct 6, 2005 for $370,000, according to the county's recorded deed.

How big is 7830 Alder St, Oakland, CA?

7830 Alder St, Oakland, CA has 2 bedrooms, 1 bathrooms, 1,476 square feet of living space and a 0.12-acre lot.

When was 7830 Alder St, Oakland, CA built?

7830 Alder St, Oakland, CA was built in 1912, making it 114 years old. The building has 2 stories.

What schools serve 7830 Alder St, Oakland, CA?

7830 Alder St, Oakland, CA is assigned to East Oakland Pride Elementary School (elementary), rated D-; Coliseum College Prep Academy (middle), rated C+. All sit in Oakland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7830 Alder St, Oakland, CA compare to other homes in Oakland 94621?

Among the 5,976 homes in Oakland 94621, it is worth more than 88% of them ($538,920 against a typical $421,863), its price per square foot is higher than 35% of them ($365 against a typical $398), it is bigger than 76% of them (1,476 ft² against a typical 1,116 ft²), its lot is bigger than 67% of them (0.11 ac against a typical 4,095 ft²) and it is newer than 11% of them (1912 against a typical 1925). Measured against all of Alameda County, it is worth more than 12% 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 7830 Alder St, Oakland, CA?

The 2025 property tax bill for 7830 Alder St, Oakland, CA was $8,326. The county assessed it at $508,698.

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