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Single Family ResidenceResidential
$1,218,899$757 / 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 96How 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 $880,000 on Jan 16, 2026

403 LEONA DR

LIVERMORE, CA 94550
3
Beds
2
Baths
1,610 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.2M 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.$880,000 · Jan 16, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,245 (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.$995,583 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$298,675
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$696,908
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$976,061
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,063,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
44
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
66
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
42
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
33
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.1968
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Wall Unit
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Emma C. Smith Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
H
Granada High SchoolA
High · Grades 9–12 · 0.6 mi
M
William Mendenhall Middle SchoolB
Middle · Grades 6–8 · 0.7 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

403 Leona Dr 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.

  • Costs more per square foot than 83% of homes in Livermore 94550
  • Has a bigger lot than 74% of homes in Carlton Square
  • Older than 67% 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
$399K$2.7M

This home is worth more than 51% 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$1,218,899
CheaperTypical $1,211,148Pricier

Pricier than 51% of homes nearby

Price per ft²$757
CheaperTypical $664Pricier

Pricier than 83% of homes nearby

Living area1,610 ft²
SmallerTypical 1,825 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 43% of homes nearby

Year built1966
OlderTypical 1972Newer

Newer than 33% of homes nearby

How 403 Leona Dr ranks against every home in each area.
MeasureThis homeCarlton SquareLivermore 94550Alameda County
Estimated valuepricier than$1,218,89963% of homes51% of homes61% of homes
Price per ft²pricier than$75760% of homes83% of homes67% of homes
Living areabigger than1,610 ft²49% of homes36% of homes53% of homes
Lot sizebigger than0.17 ac74% of homes43% of homes67% of homes
Year builtnewer than196663% of homes33% of homes54% of homes

About 403 Leona Dr

How much is 403 Leona Dr, Livermore, CA worth?

The TopHap Estimate for 403 Leona Dr, Livermore, CA is $1,218,899 as of Sep 24, 2026. The likely range is $1,173,594 to $1,264,204. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 403 Leona Dr, Livermore, CA last sell?

403 Leona Dr, Livermore, CA last sold on Jan 16, 2026 for $880,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 403 Leona Dr, Livermore, CA?

403 Leona Dr, Livermore, CA has 3 bedrooms, 2 bathrooms, 1,610 square feet of living space and a 0.17-acre lot.

When was 403 Leona Dr, Livermore, CA built?

403 Leona Dr, Livermore, CA was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 403 Leona Dr, Livermore, CA?

403 Leona Dr, Livermore, CA is assigned to Emma C. Smith Elementary School (elementary), rated A+; Granada High School (high), 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 403 Leona Dr, Livermore, CA compare to other homes in Livermore 94550?

Among the 16,036 homes in Livermore 94550, it is worth more than 51% of them ($1,218,899 against a typical $1,211,148), its price per square foot is higher than 83% of them ($757 against a typical $664), it is bigger than 36% of them (1,610 ft² against a typical 1,825 ft²), its lot is bigger than 43% of them (0.17 ac against a typical 0.18 ac) and it is newer than 33% of them (1966 against a typical 1972). Measured against all of Alameda County, it is worth more than 61% 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 403 Leona Dr, Livermore, CA?

The 2025 property tax bill for 403 Leona Dr, Livermore, CA was $12,245. The county assessed it at $995,583.

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