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Single Family ResidenceResidential
$589,832$272 / 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 Jul 14, 2026
Last sold for $267,150 on Apr 28, 2010

4357 MILLWAGON TRL

CASTLE ROCK, CO 80109
4
Beds
3
Baths
2,167 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.
2005
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

$590K
$574K low$606K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$267,150 · Apr 28, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,056 (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.$41,050 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,850
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,590
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$603,776

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.52
44
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
44
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.
30
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.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
Lot (acres)The size of the land the home sits on, from county records.0.12
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 · 204 ft²

Transaction History(3)

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
Soaring Hawks Elementary SchoolB+
Elementary · Grades KG–6 · 0.2 mi
M
Castle Rock Middle SchoolC
Middle · Grades 7–8 · 1.3 mi
H
Castle View High SchoolA
High · Grades 9–12 · 1.5 mi

District: Douglas County School District Re-1

Neighborhood · ZIP 80109These 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.40
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
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.28,679
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,098 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,152
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$166,618
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

4357 Millwagon Trl 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 77% of homes in Douglas County
  • Smaller than 66% of homes in Castle Rock 80109
  • Has a smaller lot than 82% of homes in Douglas County

What homes are worth in Castle Rock 80109

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

This home
$429K$1.6M

This home is worth more than 27% of homes in Castle Rock 80109.

How it measures up in Castle Rock 80109

The dot is this home. The mark in the middle is the typical home in Castle Rock 80109.

Estimated value$589,832
CheaperTypical $681,032Pricier

Pricier than 27% of homes nearby

Price per ft²$272
CheaperTypical $266Pricier

Pricier than 54% of homes nearby

Living area2,167 ft²
SmallerTypical 2,600 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 24% of homes nearby

Year built2005
OlderTypical 2006Newer

Newer than 46% of homes nearby

How 4357 Millwagon Trl ranks against every home in each area.
MeasureThis homeThe MeadowsCastle Rock 80109Douglas County
Estimated valuepricier than$589,83231% of homes27% of homes23% of homes
Price per ft²pricier than$27256% of homes54% of homes41% of homes
Living areabigger than2,167 ft²35% of homes34% of homes34% of homes
Lot sizebigger than0.11 ac25% of homes24% of homes18% of homes
Year builtnewer than200541% of homes46% of homes64% of homes

About 4357 Millwagon Trl

How much is 4357 Millwagon Trl, Castle Rock, CO worth?

The TopHap Estimate for 4357 Millwagon Trl, Castle Rock, CO is $589,832 as of Jul 14, 2026. The likely range is $573,682 to $605,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4357 Millwagon Trl, Castle Rock, CO last sell?

4357 Millwagon Trl, Castle Rock, CO last sold on Apr 28, 2010 for $267,150, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4357 Millwagon Trl, Castle Rock, CO?

4357 Millwagon Trl, Castle Rock, CO has 4 bedrooms, 3 bathrooms, 2,167 square feet of living space and a 0.12-acre lot.

When was 4357 Millwagon Trl, Castle Rock, CO built?

4357 Millwagon Trl, Castle Rock, CO was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 4357 Millwagon Trl, Castle Rock, CO?

4357 Millwagon Trl, Castle Rock, CO is assigned to Soaring Hawks Elementary School (elementary), rated B+; Castle Rock Middle School (middle), rated C; Castle View High School (high), rated A. All sit in Douglas County School District Re-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4357 Millwagon Trl, Castle Rock, CO compare to other homes in Castle Rock 80109?

Among the 9,181 homes in Castle Rock 80109, it is worth more than 27% of them ($589,832 against a typical $681,032), its price per square foot is higher than 54% of them ($272 against a typical $266), it is bigger than 34% of them (2,167 ft² against a typical 2,600 ft²), its lot is bigger than 24% of them (0.11 ac against a typical 0.15 ac) and it is newer than 46% of them (2005 against a typical 2006). Measured against all of Douglas County, it is worth more than 23% 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 4357 Millwagon Trl, Castle Rock, CO?

The 2024 property tax bill for 4357 Millwagon Trl, Castle Rock, CO was $4,056. The county assessed it at $41,050.

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