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Single Family ResidenceResidential
$864,840$304 / 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 Jul 14, 2026
Last sold for $860,000 on Mar 2, 2026

3917 BUTTONGRASS TRL

CASTLE ROCK, CO 80108
5
Beds
4
Baths
2,849 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2025
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$865K
$822K low$907K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$860,000 · Mar 2, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$90,840
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$72,672
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$774,000
LENNAR MORTGAGE LLC · recorded Mar 2, 2026

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.$55,930 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,890
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$60,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$822,574

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.0.16
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

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.

Neighborhood · ZIP 80108These 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.69
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 100.41

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.46%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
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.37,207
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.915 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$178,720
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$215,843
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

3917 Buttongrass 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 more than 71% of homes in Douglas County
  • Smaller than 69% of homes in Castle Rock 80108
  • Has a smaller lot than 70% of homes in Castle Rock 80108
  • Among the newest homes in Castle Rock 80108

What homes are worth in Castle Rock 80108

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

This home
$407K$3.1M

This home is worth more than 47% of homes in Castle Rock 80108.

How it measures up in Castle Rock 80108

The dot is this home. The mark in the middle is the typical home in Castle Rock 80108.

Estimated value$864,840
CheaperTypical $888,804Pricier

Pricier than 47% of homes nearby

Price per ft²$304
CheaperTypical $284Pricier

Pricier than 61% of homes nearby

Living area2,849 ft²
SmallerTypical 3,438 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.16 ac
SmallerTypical 0.2 acBigger

Bigger than 30% of homes nearby

Year built2025
OlderTypical 2007Newer

Newer than almost all homes nearby

How 3917 Buttongrass Trl ranks against every home in each area.
MeasureThis homeCastle Rock 80108Douglas County
Estimated valuepricier than$864,84047% of homes71% of homes
Price per ft²pricier than$30461% of homes61% of homes
Living areabigger than2,849 ft²31% of homes57% of homes
Lot sizebigger than0.16 ac30% of homes47% of homes
Year builtnewer than2025almost all homesalmost all homes

About 3917 Buttongrass Trl

How much is 3917 Buttongrass Trl, Castle Rock, CO worth?

The TopHap Estimate for 3917 Buttongrass Trl, Castle Rock, CO is $864,840 as of Jul 14, 2026. The likely range is $822,333 to $907,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3917 Buttongrass Trl, Castle Rock, CO last sell?

3917 Buttongrass Trl, Castle Rock, CO last sold on Mar 2, 2026 for $860,000, according to the county's recorded deed.

How big is 3917 Buttongrass Trl, Castle Rock, CO?

3917 Buttongrass Trl, Castle Rock, CO has 5 bedrooms, 4 bathrooms, 2,849 square feet of living space and a 0.16-acre lot.

When was 3917 Buttongrass Trl, Castle Rock, CO built?

3917 Buttongrass Trl, Castle Rock, CO was built in 2025, making it 1 years old. The building has 2 stories.

How does 3917 Buttongrass Trl, Castle Rock, CO compare to other homes in Castle Rock 80108?

Among the 13,451 homes in Castle Rock 80108, it is worth more than 47% of them ($864,840 against a typical $888,804), its price per square foot is higher than 61% of them ($304 against a typical $284), it is bigger than 31% of them (2,849 ft² against a typical 3,438 ft²), its lot is bigger than 30% of them (0.16 ac against a typical 0.2 ac) and it is newer than almost all of them (2025 against a typical 2007). Measured against all of Douglas County, it is worth more than 71% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in Castle Rock 80108

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