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Single Family ResidenceResidential
$1,003,226$671 / 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 Sep 24, 2026
Last sold for $285,000 on Feb 5, 2010

878 LOS ALAMOS AVE

LIVERMORE, CA 94550
4
Beds
2
Baths
1,496 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$924K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$285,000 · Feb 5, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,322 (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.$372,119 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,554
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$238,565
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$364,824
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,039,590

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.1964
Lot (acres)The size of the land the home sits on, from county records.0.14
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(3)

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
Joe Michell TK-8 SchoolB
Elementary · Grades KG–8 · 0.2 mi
H
Granada High SchoolA
High · Grades 9–12 · 0.4 mi

District: Livermore Valley Joint Unified School District

Neighborhood · ZIP 94550These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.379

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.50,851
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.117 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$164,249
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$195,822
Average tempThe average temperature here across a full year.59°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.77%

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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

878 Los Alamos 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.

  • Worth less than 74% of homes in Livermore 94550
  • Smaller than 72% of homes in Livermore 94550
  • Has a smaller lot than 73% of homes in Livermore 94550
  • Older than 76% of homes in Livermore 94550

What homes are worth in Livermore 94550

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

This home
$390K$2.7M

This home is worth more than 26% of homes in Livermore 94550.

How it measures up in Livermore 94550

The dot is this home. The mark in the middle is the typical home in Livermore 94550.

Estimated value$1,003,226
CheaperTypical $1,212,541Pricier

Pricier than 26% of homes nearby

Price per ft²$671
CheaperTypical $663Pricier

Pricier than 53% of homes nearby

Living area1,496 ft²
SmallerTypical 1,823 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 27% of homes nearby

Year built1963
OlderTypical 1972Newer

Newer than 24% of homes nearby

How 878 Los Alamos Ave ranks against every home in each area.
MeasureThis homeSunset WestLivermore 94550Alameda County
Estimated valuepricier than$1,003,22634% of homes26% of homes47% of homes
Price per ft²pricier than$67141% of homes53% of homes52% of homes
Living areabigger than1,496 ft²43% of homes28% of homes45% of homes
Lot sizebigger than0.14 ac53% of homes27% of homes54% of homes
Year builtnewer than196347% of homes24% of homes49% of homes

About 878 Los Alamos Ave

How much is 878 Los Alamos Ave, Livermore, CA worth?

The TopHap Estimate for 878 Los Alamos Ave, Livermore, CA is $1,003,226 as of Sep 24, 2026. The likely range is $923,522 to $1,082,930. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 878 Los Alamos Ave, Livermore, CA last sell?

878 Los Alamos Ave, Livermore, CA last sold on Feb 5, 2010 for $285,000, according to the county's recorded deed.

How big is 878 Los Alamos Ave, Livermore, CA?

878 Los Alamos Ave, Livermore, CA has 4 bedrooms, 2 bathrooms, 1,496 square feet of living space and a 0.14-acre lot.

When was 878 Los Alamos Ave, Livermore, CA built?

878 Los Alamos Ave, Livermore, CA was built in 1963, making it 63 years old. The building has 1 story.

What schools serve 878 Los Alamos Ave, Livermore, CA?

878 Los Alamos Ave, Livermore, CA is assigned to Joe Michell TK-8 School (elementary), rated B; Granada High School (high), rated A. All sit in Livermore Valley Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 878 Los Alamos Ave, Livermore, CA compare to other homes in Livermore 94550?

Among the 16,035 homes in Livermore 94550, it is worth more than 26% of them ($1,003,226 against a typical $1,212,541), its price per square foot is higher than 53% of them ($671 against a typical $663), it is bigger than 28% of them (1,496 ft² against a typical 1,823 ft²), its lot is bigger than 27% of them (0.14 ac against a typical 0.18 ac) and it is newer than 24% of them (1963 against a typical 1972). Measured against all of Alameda County, it is worth more than 47% 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 878 Los Alamos Ave, Livermore, CA?

The 2025 property tax bill for 878 Los Alamos Ave, Livermore, CA was $5,322. The county assessed it at $372,119.

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