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Duplex (2 Units, Any Combination)Residential
$890,094$468 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $860,000 on Sep 23, 2021

457 NABOR ST

SAN LEANDRO, CA 94578
4
Beds
3
Baths
1,901 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$890K
$873K low$908K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$860,000 · Sep 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,198 (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.$969,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$279,264
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$697,036
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$950,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$871,110

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
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.1988
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(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
Jefferson Elementary SchoolC+
Elementary · Grades KG–5 · 0.9 mi
H
San Leandro High SchoolC-
High · Grades 9–12 · 1.3 mi
M
Bancroft Middle SchoolC-
Middle · Grades 6–8 · 2.1 mi

District: San Leandro Unified School District

Neighborhood · ZIP 94578These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.654

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
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.1.3%
PopulationHow many people live in this area.36,127
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,333 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,965
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

457 Nabor 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 84% of homes in San Leandro 94578
  • Costs less per square foot than 87% of homes in Alameda County
  • Bigger than 84% of homes in Halcyon / Foothill
  • Has a smaller lot than 65% of homes in Halcyon / Foothill
  • Older than 72% of homes in Alameda County

What homes are worth in San Leandro 94578

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

This home
$339K$1.1M

This home is worth more than 84% of homes in San Leandro 94578.

How it measures up in San Leandro 94578

The dot is this home. The mark in the middle is the typical home in San Leandro 94578.

Estimated value$890,094
CheaperTypical $721,107Pricier

Pricier than 84% of homes nearby

Price per ft²$468
CheaperTypical $533Pricier

Pricier than 26% of homes nearby

Living area1,901 ft²
SmallerTypical 1,342 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 35% of homes nearby

Year built1947
OlderTypical 1953Newer

Newer than 34% of homes nearby

How 457 Nabor St ranks against every home in each area.
MeasureThis homeHalcyon / FoothillSan Leandro 94578Alameda County
Estimated valuepricier than$890,09482% of homes84% of homes39% of homes
Price per ft²pricier than$46820% of homes26% of homes13% of homes
Living areabigger than1,901 ft²84% of homes82% of homes67% of homes
Lot sizebigger than0.12 ac35% of homes35% of homes35% of homes
Year builtnewer than194754% of homes34% of homes28% of homes

About 457 Nabor St

How much is 457 Nabor St, San Leandro, CA worth?

The TopHap Estimate for 457 Nabor St, San Leandro, CA is $890,094 as of Jul 14, 2026. The likely range is $872,688 to $907,500. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 457 Nabor St, San Leandro, CA last sell?

457 Nabor St, San Leandro, CA last sold on Sep 23, 2021 for $860,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 457 Nabor St, San Leandro, CA?

457 Nabor St, San Leandro, CA has 4 bedrooms, 3 bathrooms, 1,901 square feet of living space and a 0.12-acre lot.

When was 457 Nabor St, San Leandro, CA built?

457 Nabor St, San Leandro, CA was built in 1947, making it 79 years old. It is a custom design home. The building has 1 story.

What schools serve 457 Nabor St, San Leandro, CA?

457 Nabor St, San Leandro, CA is assigned to Jefferson Elementary School (elementary), rated C+; San Leandro High School (high), rated C-; Bancroft Middle School (middle), rated C-. All sit in San Leandro Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 457 Nabor St, San Leandro, CA compare to other homes in San Leandro 94578?

Among the 7,901 homes in San Leandro 94578, it is worth more than 84% of them ($890,094 against a typical $721,107), its price per square foot is higher than 26% of them ($468 against a typical $533), it is bigger than 82% of them (1,901 ft² against a typical 1,342 ft²), its lot is bigger than 35% of them (0.12 ac against a typical 0.13 ac) and it is newer than 34% of them (1947 against a typical 1953). Measured against all of Alameda County, it is worth more than 39% 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 457 Nabor St, San Leandro, CA?

The 2025 property tax bill for 457 Nabor St, San Leandro, CA was $13,198. The county assessed it at $969,300.

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