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Single Family ResidenceResidential
$738,141$664 / 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

1645 6TH ST

LIVERMORE, CA 94550
2
Beds
1
Baths
1,112 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.
1949
Year BuiltThe year the home was originally built, according to county records.
1
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

$738K
$678K low$798K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,976 (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.$70,772 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,758
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,014
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$69,385
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$783,720

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(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.

H
Granada High SchoolA
High · Grades 9–12 · 0.8 mi
E
Sunset Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
M
William Mendenhall Middle SchoolB
Middle · Grades 6–8 · 1.4 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

1645 6th 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 less than 94% of homes in Livermore 94550
  • Smaller than 92% of homes in Livermore 94550
  • Has a smaller lot than 91% of homes in Livermore 94550
  • Older than 96% 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 6% 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$738,141
CheaperTypical $1,212,541Pricier

Pricier than 6% of homes nearby

Price per ft²$664
CheaperTypical $663Pricier

Pricier than 50% of homes nearby

Living area1,112 ft²
SmallerTypical 1,823 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.11 ac
SmallerTypical 0.18 acBigger

Bigger than 9% of homes nearby

Year built1949
OlderTypical 1972Newer

Newer than 4% of homes nearby

How 1645 6th St ranks against every home in each area.
MeasureThis homeSouthside LivermoreLivermore 94550Alameda County
Estimated valuepricier than$738,14111% of homes6% of homes26% of homes
Price per ft²pricier than$66454% of homes50% of homes50% of homes
Living areabigger than1,112 ft²16% of homes8% of homes19% of homes
Lot sizebigger than0.11 ac10% of homes9% of homes30% of homes
Year builtnewer than194938% of homes4% of homes30% of homes

About 1645 6th St

How much is 1645 6th St, Livermore, CA worth?

The TopHap Estimate for 1645 6th St, Livermore, CA is $738,141 as of Sep 24, 2026. The likely range is $677,947 to $798,335. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1645 6th St, Livermore, CA last sell?

1645 6th St, Livermore, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1645 6th St, Livermore, CA?

1645 6th St, Livermore, CA has 2 bedrooms, 1 bathrooms, 1,112 square feet of living space and a 0.12-acre lot.

When was 1645 6th St, Livermore, CA built?

1645 6th St, Livermore, CA was built in 1949, making it 77 years old. The building has 1 story.

What schools serve 1645 6th St, Livermore, CA?

1645 6th St, Livermore, CA is assigned to Granada High School (high), rated A; Sunset Elementary School (elementary), rated A; William Mendenhall Middle School (middle), rated B. All sit in Livermore Valley Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1645 6th St, Livermore, CA compare to other homes in Livermore 94550?

Among the 16,035 homes in Livermore 94550, it is worth more than 6% of them ($738,141 against a typical $1,212,541), its price per square foot is higher than 50% of them ($664 against a typical $663), it is bigger than 8% of them (1,112 ft² against a typical 1,823 ft²), its lot is bigger than 9% of them (0.11 ac against a typical 0.18 ac) and it is newer than 4% of them (1949 against a typical 1972). Measured against all of Alameda County, it is worth more than 26% 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 1645 6th St, Livermore, CA?

The 2025 property tax bill for 1645 6th St, Livermore, CA was $1,976. The county assessed it at $70,772.

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