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Single Family ResidenceResidential
$589,162$225 / 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 Aug 30, 2026
Last sold for $279,288 on Feb 7, 2003

10135 COOK ST

THORNTON, CO 80229
4
Beds
3
Baths
2,616 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$589K
$563K low$616K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$279,288 · Feb 7, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,670 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$39,380 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,190
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$32,190
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$630,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyAdams
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 32 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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Explore ElementaryD
Elementary · Grades KG–6 · 0.6 mi
M
York International (K-12)C
Middle · Grades KG–12 · 1.1 mi

District: Mapleton School District 1

Neighborhood · ZIP 80229These 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.113
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 100.43

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.55,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,191 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,986
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,658
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

10135 Cook 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.

  • Worth more than 97% of homes in Denver 80229
  • Costs less per square foot than 91% of homes in Denver 80229
  • Bigger than 98% of homes in Denver 80229
  • Has a smaller lot than 87% of homes in Riverdale Heights
  • Newer than 87% of homes in Denver 80229

What homes are worth in Denver 80229

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

This home
$239K$602K

This home is worth more than 97% of homes in Denver 80229.

How it measures up in Denver 80229

The dot is this home. The mark in the middle is the typical home in Denver 80229.

Estimated value$589,162
CheaperTypical $397,598Pricier

Pricier than 97% of homes nearby

Price per ft²$225
CheaperTypical $287Pricier

Pricier than 9% of homes nearby

Living area2,616 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.14 ac
SmallerTypical 0.16 acBigger

Bigger than 32% of homes nearby

Year built2002
OlderTypical 1982Newer

Newer than 87% of homes nearby

How 10135 Cook St ranks against every home in each area.
MeasureThis homeRiverdale HeightsDenver 80229Adams County
Estimated valuepricier than$589,16287% of homes97% of homes78% of homes
Price per ft²pricier than$22524% of homes9% of homes11% of homes
Living areabigger than2,616 ft²93% of homes98% of homes89% of homes
Lot sizebigger than0.14 ac13% of homes32% of homes29% of homes
Year builtnewer than200227% of homes87% of homes67% of homes

About 10135 Cook St

How much is 10135 Cook St, Thornton, CO worth?

The TopHap Estimate for 10135 Cook St, Thornton, CO is $589,162 as of Aug 30, 2026. The likely range is $562,504 to $615,820. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10135 Cook St, Thornton, CO last sell?

10135 Cook St, Thornton, CO last sold on Feb 7, 2003 for $279,288, according to the county's recorded deed.

How big is 10135 Cook St, Thornton, CO?

10135 Cook St, Thornton, CO has 4 bedrooms, 3 bathrooms, 2,616 square feet of living space and a 0.14-acre lot.

When was 10135 Cook St, Thornton, CO built?

10135 Cook St, Thornton, CO was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 10135 Cook St, Thornton, CO?

10135 Cook St, Thornton, CO is assigned to Explore Elementary (elementary), rated D; York International (K-12) (middle), rated C. All sit in Mapleton School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10135 Cook St, Thornton, CO compare to other homes in Denver 80229?

Among the 15,510 homes in Denver 80229, it is worth more than 97% of them ($589,162 against a typical $397,598), its price per square foot is higher than 9% of them ($225 against a typical $287), it is bigger than 98% of them (2,616 ft² against a typical 1,232 ft²), its lot is bigger than 32% of them (0.14 ac against a typical 0.16 ac) and it is newer than 87% of them (2002 against a typical 1982). Measured against all of Adams County, it is worth more than 78% 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 10135 Cook St, Thornton, CO?

The 2025 property tax bill for 10135 Cook St, Thornton, CO was $1,670. The county assessed it at $39,380.

More homes on Cook St

Closest homes

More homes in Thornton 80229

Assigned schools

Explore the area

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