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Single Family ResidenceResidential
$543,012$364 / 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 Oct 21, 2026
Last sold for $555,000 on Jun 26, 2025

1330 ASTER DR

ANTIOCH, CA 94509
4
Beds
2
Baths
1,492 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.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$543K
$497K low$589K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$555,000 · Jun 26, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,513 (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.$566,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$280,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$285,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$83,700

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
67
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
28
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyCONTRA COSTA
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.1970
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Antioch High SchoolD
High · Grades 9–12 · 0.5 mi
E
Fremont Elementary SchoolF
Elementary · Grades KG–5 · 0.8 mi
M
Antioch Middle SchoolF
Middle · Grades 6–8 · 0.8 mi

District: Antioch Unified School District

Neighborhood · ZIP 94509These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.369

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.67,731
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,169 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,351
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,120
Average tempThe average temperature here across a full year.60°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

1330 Aster 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.

  • Worth less than 77% of homes in Contra Costa County
  • Costs more per square foot than 73% of homes in Antioch 94509
  • Has a smaller lot than 65% of homes in Antioch 94509

What homes are worth in Antioch 94509

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

This home
$205K$750K

This home is worth more than 64% of homes in Antioch 94509.

How it measures up in Antioch 94509

The dot is this home. The mark in the middle is the typical home in Antioch 94509.

Estimated value$543,012
CheaperTypical $510,646Pricier

Pricier than 64% of homes nearby

Price per ft²$364
CheaperTypical $323Pricier

Pricier than 73% of homes nearby

Living area1,492 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 35% of homes nearby

Year built1969
OlderTypical 1975Newer

Newer than 40% of homes nearby

How 1330 Aster Dr ranks against every home in each area.
MeasureThis homeAntioch 94509Contra Costa County
Estimated valuepricier than$543,01264% of homes23% of homes
Price per ft²pricier than$36473% of homes27% of homes
Living areabigger than1,492 ft²49% of homes36% of homes
Lot sizebigger than0.14 ac35% of homes40% of homes
Year builtnewer than196940% of homes38% of homes

About 1330 Aster Dr

How much is 1330 Aster Dr, Antioch, CA worth?

The TopHap Estimate for 1330 Aster Dr, Antioch, CA is $543,012 as of Oct 21, 2026. The likely range is $497,289 to $588,735. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1330 Aster Dr, Antioch, CA last sell?

1330 Aster Dr, Antioch, CA last sold on Jun 26, 2025 for $555,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1330 Aster Dr, Antioch, CA?

1330 Aster Dr, Antioch, CA has 4 bedrooms, 2 bathrooms, 1,492 square feet of living space and a 0.14-acre lot.

When was 1330 Aster Dr, Antioch, CA built?

1330 Aster Dr, Antioch, CA was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 1330 Aster Dr, Antioch, CA?

1330 Aster Dr, Antioch, CA is assigned to Antioch High School (high), rated D; Fremont Elementary School (elementary), rated F; Antioch Middle School (middle), rated F. All sit in Antioch Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1330 Aster Dr, Antioch, CA compare to other homes in Antioch 94509?

Among the 18,216 homes in Antioch 94509, it is worth more than 64% of them ($543,012 against a typical $510,646), its price per square foot is higher than 73% of them ($364 against a typical $323), it is bigger than 49% of them (1,492 ft² against a typical 1,500 ft²), its lot is bigger than 35% of them (0.14 ac against a typical 0.15 ac) and it is newer than 40% of them (1969 against a typical 1975). Measured against all of Contra Costa County, it is worth more than 23% 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 1330 Aster Dr, Antioch, CA?

The 2025 property tax bill for 1330 Aster Dr, Antioch, CA was $1,513. The county assessed it at $566,100.

More homes on Aster Dr

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