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County Owned (Exempt)Public Works

100 3RD ST

CASTLE ROCK, CO 80104
0
Baths
178,877 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.
1.34 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.
3
StoriesHow many floors the home has above ground.

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,173,390 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$547,570
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,625,820
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,416,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$19,897,639

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.51
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
43
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
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.9 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.1 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.County Owned (Exempt)
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.1999
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Yes
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(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
South Ridge Elementary SchoolB
Elementary · Grades KG–6 · 1.0 mi
H
Douglas County High SchoolB+
High · Grades 9–12 · 1.3 mi
M
Mesa Middle SchoolC+
Middle · Grades 7–8 · 3.5 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

100 3rd St 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.

  • Among the largest homes in Castle Rock 80104
  • Has a bigger lot than 95% of homes in Castle Rock 80104
  • Older than 72% 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.

Living area178,877 ft²
SmallerTypical 2,336 ft²Bigger

Bigger than almost all homes nearby

Lot size1.34 ac
SmallerTypical 0.18 acBigger

Bigger than 95% of homes nearby

Year built1997
OlderTypical 2004Newer

Newer than 28% of homes nearby

How 100 3rd St ranks against every home in each area.
MeasureThis homeCastle Rock 80104Douglas County
Living areabigger than178,877 ft²almost all homesalmost all homes
Lot sizebigger than1.34 ac95% of homes92% of homes
Year builtnewer than199728% of homes35% of homes

About 100 3rd St

When did 100 3rd St, Castle Rock, CO last sell?

100 3rd St, Castle Rock, CO last sold on Dec 20, 1989, according to the county's recorded deed.

When was 100 3rd St, Castle Rock, CO built?

100 3rd St, Castle Rock, CO was built in 1997, making it 29 years old. The building has 3 stories.

What schools serve 100 3rd St, Castle Rock, CO?

100 3rd St, Castle Rock, CO is assigned to South Ridge Elementary School (elementary), rated B; Douglas County High School (high), rated B+; Mesa Middle School (middle), 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 100 3rd St, Castle Rock, CO compare to other homes in Castle Rock 80104?

Among the 15,707 homes in Castle Rock 80104, it is bigger than almost all of them (178,877 ft² against a typical 2,336 ft²), its lot is bigger than 95% of them (1.34 ac against a typical 0.18 ac) and it is newer than 28% of them (1997 against a typical 2004). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on 3rd St

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Assigned schools

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