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Single Family ResidenceResidential
$725,819$756 / 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 Aug 30, 2026
Last sold for $309,000 on Jun 11, 2013

502 ADELLE ST

LIVERMORE, CA 94551
3
Beds
1
Baths
960 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.
1952
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.

Valuation

$726K
$670K low$781K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,000 · Jun 11, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,772 (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.$52,515 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,260
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,255
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$51,349
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$670,050

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.0.12
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(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Marylin Avenue STEAM AcademyC+
Elementary · Grades KG–5 · 0.3 mi
M
Junction Avenue TK-8 SchoolC-
Middle · Grades KG–8 · 0.8 mi
H
Granada High SchoolA
High · Grades 9–12 · 0.8 mi

District: Livermore Valley Joint Unified School District

Neighborhood · ZIP 94551These 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.60
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 100.382

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.47,124
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.555 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,402
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,089
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

502 Adelle 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 89% of homes in Livermore 94551
  • Costs more per square foot than 82% of homes in Livermore 94551
  • Smaller than 94% of homes in Livermore 94551
  • Has a smaller lot than 84% of homes in Northside Livermore Area
  • Older than 95% of homes in Livermore 94551

What homes are worth in Livermore 94551

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

This home
$588K$1.8M

This home is worth more than 11% of homes in Livermore 94551.

How it measures up in Livermore 94551

The dot is this home. The mark in the middle is the typical home in Livermore 94551.

Estimated value$725,819
CheaperTypical $972,796Pricier

Pricier than 11% of homes nearby

Price per ft²$756
CheaperTypical $650Pricier

Pricier than 82% of homes nearby

Living area960 ft²
SmallerTypical 1,508 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 16% of homes nearby

Year built1952
OlderTypical 1985Newer

Newer than 5% of homes nearby

How 502 Adelle St ranks against every home in each area.
MeasureThis homeNorthside Livermore AreaLivermore 94551Alameda County
Estimated valuepricier than$725,81915% of homes11% of homes25% of homes
Price per ft²pricier than$75676% of homes82% of homes67% of homes
Living areabigger than960 ft²9% of homes6% of homes10% of homes
Lot sizebigger than0.11 ac16% of homes16% of homes29% of homes
Year builtnewer than195223% of homes5% of homes35% of homes

About 502 Adelle St

How much is 502 Adelle St, Livermore, CA worth?

The TopHap Estimate for 502 Adelle St, Livermore, CA is $725,819 as of Aug 30, 2026. The likely range is $670,353 to $781,285. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Adelle St, Livermore, CA last sell?

502 Adelle St, Livermore, CA last sold on Jun 11, 2013 for $309,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 502 Adelle St, Livermore, CA?

502 Adelle St, Livermore, CA has 3 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.12-acre lot.

When was 502 Adelle St, Livermore, CA built?

502 Adelle St, Livermore, CA was built in 1952, making it 74 years old. It is a custom design home. The building has 1 story.

What schools serve 502 Adelle St, Livermore, CA?

502 Adelle St, Livermore, CA is assigned to Marylin Avenue STEAM Academy (elementary), rated C+; Junction Avenue TK-8 School (middle), rated C-; 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 502 Adelle St, Livermore, CA compare to other homes in Livermore 94551?

Among the 12,834 homes in Livermore 94551, it is worth more than 11% of them ($725,819 against a typical $972,796), its price per square foot is higher than 82% of them ($756 against a typical $650), it is bigger than 6% of them (960 ft² against a typical 1,508 ft²), its lot is bigger than 16% of them (0.11 ac against a typical 0.15 ac) and it is newer than 5% of them (1952 against a typical 1985). Measured against all of Alameda County, it is worth more than 25% 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 502 Adelle St, Livermore, CA?

The 2025 property tax bill for 502 Adelle St, Livermore, CA was $1,772. The county assessed it at $52,515.

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