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Single Family ResidenceResidential
$609,972$305 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $461,000 on Jul 16, 2019

9840 CASTLE RIDGE CIR

HIGHLANDS RANCH, CO 80129
3
Beds
3
Baths
1,999 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
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

$610K
$595K low$625K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$461,000 · Jul 16, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,653 (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.$42,360 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,830
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,530
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,440
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$623,045

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.48
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
32
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
26
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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.2018
Lot (acres)The size of the land the home sits on, from county records.0.13
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 · 335 ft²

Transaction History(1)

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
Trailblazer Elementary SchoolA-
Elementary · Grades KG–6 · 0.1 mi
H
ThunderRidge High SchoolA+
High · Grades 9–12 · 0.6 mi
M
Ranch View Middle SchoolB
Middle · Grades 7–8 · 0.8 mi

District: Douglas County School District Re-1

Neighborhood · ZIP 80129These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
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.30,963
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,171
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,170
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.18 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

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

9840 Castle Ridge Cir 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 73% of homes in Littleton 80129
  • Smaller than 72% of homes in Douglas County
  • Has a smaller lot than 74% of homes in Douglas County
  • Older than 65% of homes in Douglas County

What homes are worth in Littleton 80129

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

This home
$419K$1.5M

This home is worth more than 27% of homes in Littleton 80129.

How it measures up in Littleton 80129

The dot is this home. The mark in the middle is the typical home in Littleton 80129.

Estimated value$609,972
CheaperTypical $676,890Pricier

Pricier than 27% of homes nearby

Price per ft²$305
CheaperTypical $306Pricier

Pricier than 49% of homes nearby

Living area1,999 ft²
SmallerTypical 2,234 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.13 ac
SmallerTypical 0.14 acBigger

Bigger than 44% of homes nearby

Year built1997
OlderTypical 1997Newer

Newer than 50% of homes nearby

How 9840 Castle Ridge Cir ranks against every home in each area.
MeasureThis homeLittleton 80129Douglas County
Estimated valuepricier than$609,97227% of homes28% of homes
Price per ft²pricier than$30549% of homes62% of homes
Living areabigger than1,999 ft²39% of homes28% of homes
Lot sizebigger than0.13 ac44% of homes26% of homes
Year builtnewer than199750% of homes35% of homes

About 9840 Castle Ridge Cir

How much is 9840 Castle Ridge Cir, Highlands Ranch, CO worth?

The TopHap Estimate for 9840 Castle Ridge Cir, Highlands Ranch, CO is $609,972 as of Jul 14, 2026. The likely range is $595,381 to $624,563. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9840 Castle Ridge Cir, Highlands Ranch, CO last sell?

9840 Castle Ridge Cir, Highlands Ranch, CO last sold on Jul 16, 2019 for $461,000, according to the county's recorded deed.

How big is 9840 Castle Ridge Cir, Highlands Ranch, CO?

9840 Castle Ridge Cir, Highlands Ranch, CO has 3 bedrooms, 3 bathrooms, 1,999 square feet of living space and a 0.13-acre lot.

When was 9840 Castle Ridge Cir, Highlands Ranch, CO built?

9840 Castle Ridge Cir, Highlands Ranch, CO was built in 1997, making it 29 years old. The building has 2 stories.

What schools serve 9840 Castle Ridge Cir, Highlands Ranch, CO?

9840 Castle Ridge Cir, Highlands Ranch, CO is assigned to Trailblazer Elementary School (elementary), rated A-; ThunderRidge High School (high), rated A+; Ranch View Middle School (middle), rated B. All sit in Douglas County School District Re-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9840 Castle Ridge Cir, Highlands Ranch, CO compare to other homes in Littleton 80129?

Among the 9,408 homes in Littleton 80129, it is worth more than 27% of them ($609,972 against a typical $676,890), its price per square foot is higher than 49% of them ($305 against a typical $306), it is bigger than 39% of them (1,999 ft² against a typical 2,234 ft²), its lot is bigger than 44% of them (0.13 ac against a typical 0.14 ac) and it is newer than 50% of them (1997 against a typical 1997). Measured against all of Douglas County, it is worth more than 28% 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 9840 Castle Ridge Cir, Highlands Ranch, CO?

The 2024 property tax bill for 9840 Castle Ridge Cir, Highlands Ranch, CO was $3,653. The county assessed it at $42,360.

More homes on Castle Ridge Cir

Closest homes

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Assigned schools

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