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Single Family ResidenceResidential
$665,000$299 / 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 97How 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 $309,500 on Feb 22, 2013

3978 ASPEN HOLLOW CT

CASTLE ROCK, CO 80104
3
Beds
3
Baths
2,221 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.
0.21 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
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$665K
$647K low$683K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,500 · Feb 22, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,655 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$42,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,860
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,340
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$620,464

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.47
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
54
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
32
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
75
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.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.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
CountyDOUGLAS
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 715 ft²

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.

E
South Ridge Elementary SchoolB-
Elementary · Grades KG–5 · 2.4 mi
M
Mesa Middle SchoolB
Middle · Grades 6–8 · 3.2 mi
H
Douglas County High SchoolC
High · Grades 9–12 · 3.9 mi

District: Douglas County School District Re-1

Neighborhood · ZIP 80104These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.38,110
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,677
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,634
Average tempThe average temperature here across a full year.47°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.69%

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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

3978 Aspen Hollow 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 65% of homes in Castle Rock 80104
  • Costs more per square foot than 80% of homes in Crystal Valley Ranch
  • Smaller than 77% of homes in Crystal Valley Ranch
  • Has a bigger lot than 68% of homes in Douglas County
  • Older than 88% of homes in Crystal Valley Ranch

What homes are worth in Castle Rock 80104

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

This home
$306K$1.5M

This home is worth more than 65% of homes in Castle Rock 80104.

How it measures up in Castle Rock 80104

The dot is this home. The mark in the middle is the typical home in Castle Rock 80104.

Estimated value$665,000
CheaperTypical $605,844Pricier

Pricier than 65% of homes nearby

Price per ft²$299
CheaperTypical $273Pricier

Pricier than 66% of homes nearby

Living area2,221 ft²
SmallerTypical 2,350 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.21 ac
SmallerTypical 0.17 acBigger

Bigger than 64% of homes nearby

Year built2006
OlderTypical 2004Newer

Newer than 59% of homes nearby

How 3978 Aspen Hollow Ct ranks against every home in each area.
MeasureThis homeCrystal Valley RanchCastle Rock 80104Douglas County
Estimated valuepricier than$665,00050% of homes65% of homes41% of homes
Price per ft²pricier than$29980% of homes66% of homes61% of homes
Living areabigger than2,221 ft²23% of homes44% of homes36% of homes
Lot sizebigger than0.21 ac64% of homes64% of homes68% of homes
Year builtnewer than200612% of homes59% of homes67% of homes

About 3978 Aspen Hollow Ct

How much is 3978 Aspen Hollow Ct, Castle Rock, CO worth?

The TopHap Estimate for 3978 Aspen Hollow Ct, Castle Rock, CO is $665,000 as of Sep 24, 2026. The likely range is $646,684 to $683,316. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3978 Aspen Hollow Ct, Castle Rock, CO last sell?

3978 Aspen Hollow Ct, Castle Rock, CO last sold on Feb 22, 2013 for $309,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3978 Aspen Hollow Ct, Castle Rock, CO?

3978 Aspen Hollow Ct, Castle Rock, CO has 3 bedrooms, 3 bathrooms, 2,221 square feet of living space and a 0.21-acre lot.

When was 3978 Aspen Hollow Ct, Castle Rock, CO built?

3978 Aspen Hollow Ct, Castle Rock, CO was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 3978 Aspen Hollow Ct, Castle Rock, CO?

3978 Aspen Hollow Ct, Castle Rock, CO is assigned to South Ridge Elementary School (elementary), rated B-; Mesa Middle School (middle), rated B; Douglas County High School (high), rated C. All sit in Douglas County School District Re-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3978 Aspen Hollow Ct, Castle Rock, CO compare to other homes in Castle Rock 80104?

Among the 15,707 homes in Castle Rock 80104, it is worth more than 65% of them ($665,000 against a typical $605,844), its price per square foot is higher than 66% of them ($299 against a typical $273), it is bigger than 44% of them (2,221 ft² against a typical 2,350 ft²), its lot is bigger than 64% of them (0.21 ac against a typical 0.17 ac) and it is newer than 59% of them (2006 against a typical 2004). Measured against all of Douglas County, it is worth more than 41% 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 3978 Aspen Hollow Ct, Castle Rock, CO?

The 2024 property tax bill for 3978 Aspen Hollow Ct, Castle Rock, CO was $3,655. The county assessed it at $42,200.

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