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Single Family ResidenceResidential
$350,595$528 / 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 80How 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 $115,000 on May 1, 2002

30258 JUSTAMERE AVE

CASTAIC, CA 91384
1
Beds
1
Baths
664 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.

Valuation

$351K
$280K low$421K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$115,000 · May 1, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,774 (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.$197,645 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$143,135
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,783

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.

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

M
Castaic Middle SchoolB+
Middle · Grades 7–8 · 2.0 mi
E
Live Oak Elementary SchoolB+
Elementary · Grades KG–6 · 2.5 mi
H
Valencia High SchoolA+
High · Grades 9–12 · 5.8 mi

District: William S. Hart Union High School District (9-12)

Neighborhood · ZIP 91384These 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.30
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.435

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.23,962
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.135 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,173
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,137
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

30258 Justamere 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.

  • Among the least valuable homes in Castaic 91384
  • Costs more per square foot than 90% of homes in Castaic 91384
  • Among the smallest homes in Castaic 91384
  • Has a smaller lot than 93% of homes in Castaic 91384
  • Older than 98% of homes in Castaic 91384

What homes are worth in Castaic 91384

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

This home
$437K$1.5M

This home is worth less than almost all homes in Castaic 91384.

How it measures up in Castaic 91384

The dot is this home. The mark in the middle is the typical home in Castaic 91384.

Estimated value$350,595
CheaperTypical $782,014Pricier

Cheaper than almost all homes nearby

Price per ft²$528
CheaperTypical $394Pricier

Pricier than 90% of homes nearby

Living area664 ft²
SmallerTypical 1,864 ft²Bigger

Smaller than almost all homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 7% of homes nearby

Year built1949
OlderTypical 1993Newer

Newer than 2% of homes nearby

How 30258 Justamere Ave ranks against every home in each area.
MeasureThis homeCastaic 91384Los Angeles County
Estimated valuepricier than$350,595almost no homes2% of homes
Price per ft²pricier than$52890% of homes38% of homes
Living areabigger than664 ft²almost no homes2% of homes
Lot sizebigger than0.11 ac7% of homes8% of homes
Year builtnewer than19492% of homes31% of homes

About 30258 Justamere Ave

How much is 30258 Justamere Ave, Castaic, CA worth?

The TopHap Estimate for 30258 Justamere Ave, Castaic, CA is $350,595 as of Sep 24, 2026. The likely range is $280,083 to $421,107. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 30258 Justamere Ave, Castaic, CA last sell?

30258 Justamere Ave, Castaic, CA last sold on May 1, 2002 for $115,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 30258 Justamere Ave, Castaic, CA?

30258 Justamere Ave, Castaic, CA has 1 bedrooms, 1 bathrooms, 664 square feet of living space and a 0.11-acre lot.

When was 30258 Justamere Ave, Castaic, CA built?

30258 Justamere Ave, Castaic, CA was built in 1949, making it 77 years old.

What schools serve 30258 Justamere Ave, Castaic, CA?

30258 Justamere Ave, Castaic, CA is assigned to Castaic Middle School (middle), rated B+; Live Oak Elementary School (elementary), rated B+; Valencia High School (high), rated A+. All sit in William S. Hart Union High School District (9-12). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 30258 Justamere Ave, Castaic, CA compare to other homes in Castaic 91384?

Among the 6,791 homes in Castaic 91384, it is worth more than almost none of them ($350,595 against a typical $782,014), its price per square foot is higher than 90% of them ($528 against a typical $394), it is bigger than almost none of them (664 ft² against a typical 1,864 ft²), its lot is bigger than 7% of them (0.11 ac against a typical 0.17 ac) and it is newer than 2% of them (1949 against a typical 1993). Measured against all of Los Angeles County, it is worth more than 2% 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 30258 Justamere Ave, Castaic, CA?

The 2025 property tax bill for 30258 Justamere Ave, Castaic, CA was $2,774. The county assessed it at $197,645.

More homes on Justamere Ave

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