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Duplex (2 Units, Any Combination)Residential
$1,186,295$437 / 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 90How 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 $710,000 on Jul 10, 2008

851 40TH ST

EMERYVILLE, CA 94608
6
Beds
4
Baths
2,712 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.
3,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$710,000 · Jul 10, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,995 (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.$1,510,355 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$328,355
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,189,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,480,609
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,200,060

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
Lot (acres)The size of the land the home sits on, from county records.0.07
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Emerson Elementary SchoolC+
Elementary · Grades KG–5 · 0.8 mi
H
McClymonds High SchoolD-
High · Grades 9–12 · 0.9 mi
M
Westlake Middle SchoolD-
Middle · Grades 6–8 · 1.3 mi

District: Oakland Unified School District

Neighborhood · ZIP 94608These 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.161
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 100.503

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.30,930
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,968 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,627
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,100
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

851 40th 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 98% of homes in Emeryville 94608
  • Costs less per square foot than 91% of homes in Alameda County
  • Bigger than 93% of homes in Emeryville 94608
  • Has a smaller lot than 90% of homes in Alameda County
  • Older than 92% of homes in Alameda County

What homes are worth in Emeryville 94608

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

This home
$272K$1.2M

This home is worth more than 98% of homes in Emeryville 94608.

How it measures up in Emeryville 94608

The dot is this home. The mark in the middle is the typical home in Emeryville 94608.

Estimated value$1,186,295
CheaperTypical $557,414Pricier

Pricier than 98% of homes nearby

Price per ft²$437
CheaperTypical $525Pricier

Pricier than 18% of homes nearby

Living area2,712 ft²
SmallerTypical 1,176 ft²Bigger

Bigger than 93% of homes nearby

Lot size3,000 ft²
SmallerTypical 0.13 acBigger

Bigger than 12% of homes nearby

Year built1915
OlderTypical 1944Newer

Newer than 33% of homes nearby

How 851 40th St ranks against every home in each area.
MeasureThis homeLongfellowEmeryville 94608Alameda County
Estimated valuepricier than$1,186,29597% of homes98% of homes58% of homes
Price per ft²pricier than$43719% of homes18% of homes9% of homes
Living areabigger than2,712 ft²89% of homes93% of homes88% of homes
Lot sizebigger than3,000 ft²16% of homes12% of homes10% of homes
Year builtnewer than191544% of homes33% of homes8% of homes

About 851 40th St

How much is 851 40th St, Emeryville, CA worth?

The TopHap Estimate for 851 40th St, Emeryville, CA is $1,186,295 as of Jul 14, 2026. The likely range is $1,063,175 to $1,309,415. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 851 40th St, Emeryville, CA last sell?

851 40th St, Emeryville, CA last sold on Jul 10, 2008 for $710,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 851 40th St, Emeryville, CA?

851 40th St, Emeryville, CA has 6 bedrooms, 4 bathrooms, 2,712 square feet of living space and a 0.07-acre lot.

When was 851 40th St, Emeryville, CA built?

851 40th St, Emeryville, CA was built in 1915, making it 111 years old. It is a custom design home. The building has 2 stories.

What schools serve 851 40th St, Emeryville, CA?

851 40th St, Emeryville, CA is assigned to Emerson Elementary School (elementary), rated C+; McClymonds High School (high), rated D-; Westlake Middle School (middle), rated D-. All sit in Oakland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 851 40th St, Emeryville, CA compare to other homes in Emeryville 94608?

Among the 9,223 homes in Emeryville 94608, it is worth more than 98% of them ($1,186,295 against a typical $557,414), its price per square foot is higher than 18% of them ($437 against a typical $525), it is bigger than 93% of them (2,712 ft² against a typical 1,176 ft²), its lot is bigger than 12% of them (3,000 ft² against a typical 0.13 ac) and it is newer than 33% of them (1915 against a typical 1944). Measured against all of Alameda County, it is worth more than 58% 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 851 40th St, Emeryville, CA?

The 2025 property tax bill for 851 40th St, Emeryville, CA was $20,995. The county assessed it at $1,510,355.

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