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Single Family ResidenceResidential
$711,079$298 / 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 95How 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 $585,000 on Jan 15, 2021

21 CASTAIC CT

ROSEVILLE, CA 95678
4
Beds
3
Baths
2,389 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.
2006
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$711K
$672K low$750K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$585,000 · Jan 15, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,715 (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.$645,885 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$165,611
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$480,274
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$633,221

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
62
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
14
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
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyPLACER
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.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.

Foreclosure Filings(1)

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

E
Gates Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
H
Roseville High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Buljan Middle SchoolC
Middle · Grades 6–8 · 1.4 mi

District: Roseville City Elementary School District

Neighborhood · ZIP 95678These 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.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.50,142
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,331 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,351
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,031
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

21 Castaic Ct 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 more than 84% of homes in Roseville 95678
  • Costs less per square foot than 80% of homes in Roseville 95678
  • Bigger than 85% of homes in Roseville 95678
  • Has a smaller lot than 97% of homes in Placer County
  • Newer than 96% of homes in Roseville 95678

What homes are worth in Roseville 95678

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

This home
$265K$929K

This home is worth more than 84% of homes in Roseville 95678.

How it measures up in Roseville 95678

The dot is this home. The mark in the middle is the typical home in Roseville 95678.

Estimated value$711,079
CheaperTypical $532,294Pricier

Pricier than 84% of homes nearby

Price per ft²$298
CheaperTypical $335Pricier

Pricier than 20% of homes nearby

Living area2,389 ft²
SmallerTypical 1,552 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 7% of homes nearby

Year built2006
OlderTypical 1989Newer

Newer than 96% of homes nearby

How 21 Castaic Ct ranks against every home in each area.
MeasureThis homeHighland ReserveRoseville 95678Placer County
Estimated valuepricier than$711,07968% of homes84% of homes56% of homes
Price per ft²pricier than$29822% of homes20% of homes25% of homes
Living areabigger than2,389 ft²72% of homes85% of homes68% of homes
Lot sizebigger than0.11 ac13% of homes7% of homes3% of homes
Year builtnewer than200691% of homes96% of homes76% of homes

About 21 Castaic Ct

How much is 21 Castaic Ct, Roseville, CA worth?

The TopHap Estimate for 21 Castaic Ct, Roseville, CA is $711,079 as of Sep 24, 2026. The likely range is $672,250 to $749,908. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Castaic Ct, Roseville, CA last sell?

21 Castaic Ct, Roseville, CA last sold on Jan 15, 2021 for $585,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Castaic Ct, Roseville, CA?

21 Castaic Ct, Roseville, CA has 4 bedrooms, 3 bathrooms, 2,389 square feet of living space and a 0.11-acre lot.

When was 21 Castaic Ct, Roseville, CA built?

21 Castaic Ct, Roseville, CA was built in 2006, making it 20 years old. It is a cape cod home.

What schools serve 21 Castaic Ct, Roseville, CA?

21 Castaic Ct, Roseville, CA is assigned to Gates Elementary School (elementary), rated C+; Roseville High School (high), rated B+; Buljan Middle School (middle), rated C. All sit in Roseville City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Castaic Ct, Roseville, CA compare to other homes in Roseville 95678?

Among the 13,090 homes in Roseville 95678, it is worth more than 84% of them ($711,079 against a typical $532,294), its price per square foot is higher than 20% of them ($298 against a typical $335), it is bigger than 85% of them (2,389 ft² against a typical 1,552 ft²), its lot is bigger than 7% of them (0.11 ac against a typical 0.17 ac) and it is newer than 96% of them (2006 against a typical 1989). Measured against all of Placer County, it is worth more than 56% 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 21 Castaic Ct, Roseville, CA?

The 2025 property tax bill for 21 Castaic Ct, Roseville, CA was $6,715. The county assessed it at $645,885.

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