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Single Family ResidenceResidential
$536,393$297 / 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
Last sold for $151,000 on Nov 21, 2000

42421 BOULDER DR

LANCASTER, CA 93536
3
Beds
2
Baths
1,809 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.

Valuation

$536K
$494K low$579K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$151,000 · Nov 21, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,396 (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.$232,057 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,402
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,655
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$227,508

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 percent flood zone

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
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Quartz Hill High SchoolB
High · Grades 9–12 · 0.4 mi
M
Joe Walker Middle SchoolD+
Middle · Grades 6–8 · 0.7 mi
E
Sundown Elementary SchoolC-
Elementary · Grades KG–6 · 2.0 mi

District: Antelope Valley Union Joint High School District

Neighborhood · ZIP 93536These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.409

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.73,759
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.185 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,249
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,830
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.74%

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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

42421 Boulder 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 88% of homes in Los Angeles County
  • Costs less per square foot than 96% of homes in Los Angeles County
  • Has a bigger lot than 69% of homes in Los Angeles County
  • Newer than 88% of homes in Los Angeles County

What homes are worth in Lancaster 93536

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

This home
$300K$896K

This home is worth more than 55% of homes in Lancaster 93536.

How it measures up in Lancaster 93536

The dot is this home. The mark in the middle is the typical home in Lancaster 93536.

Estimated value$536,393
CheaperTypical $524,351Pricier

Pricier than 55% of homes nearby

Price per ft²$297
CheaperTypical $256Pricier

Pricier than 75% of homes nearby

Living area1,809 ft²
SmallerTypical 2,059 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.22 ac
SmallerTypical 0.21 acBigger

Bigger than 57% of homes nearby

Year built1992
OlderTypical 1991Newer

Newer than 53% of homes nearby

How 42421 Boulder Dr ranks against every home in each area.
MeasureThis homeLancaster 93536Los Angeles County
Estimated valuepricier than$536,39355% of homes12% of homes
Price per ft²pricier than$29775% of homes4% of homes
Living areabigger than1,809 ft²38% of homes62% of homes
Lot sizebigger than0.22 ac57% of homes69% of homes
Year builtnewer than199253% of homes88% of homes

About 42421 Boulder Dr

How much is 42421 Boulder Dr, Lancaster, CA worth?

The TopHap Estimate for 42421 Boulder Dr, Lancaster, CA is $536,393 as of Sep 24, 2026. The likely range is $493,818 to $578,968. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42421 Boulder Dr, Lancaster, CA last sell?

42421 Boulder Dr, Lancaster, CA last sold on Nov 21, 2000 for $151,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 42421 Boulder Dr, Lancaster, CA?

42421 Boulder Dr, Lancaster, CA has 3 bedrooms, 2 bathrooms, 1,809 square feet of living space and a 0.22-acre lot.

When was 42421 Boulder Dr, Lancaster, CA built?

42421 Boulder Dr, Lancaster, CA was built in 1992, making it 34 years old.

What schools serve 42421 Boulder Dr, Lancaster, CA?

42421 Boulder Dr, Lancaster, CA is assigned to Quartz Hill High School (high), rated B; Joe Walker Middle School (middle), rated D+; Sundown Elementary School (elementary), rated C-. All sit in Antelope Valley Union Joint High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42421 Boulder Dr, Lancaster, CA compare to other homes in Lancaster 93536?

Among the 21,706 homes in Lancaster 93536, it is worth more than 55% of them ($536,393 against a typical $524,351), its price per square foot is higher than 75% of them ($297 against a typical $256), it is bigger than 38% of them (1,809 ft² against a typical 2,059 ft²), its lot is bigger than 57% of them (0.22 ac against a typical 0.21 ac) and it is newer than 53% of them (1992 against a typical 1991). Measured against all of Los Angeles County, it is worth more than 12% 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 42421 Boulder Dr, Lancaster, CA?

The 2025 property tax bill for 42421 Boulder Dr, Lancaster, CA was $4,396. The county assessed it at $232,057.

More homes on Boulder Dr

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