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Single Family ResidenceResidential
$626,487$322 / 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 Sep 24, 2026
Last sold for $288,800 on Apr 29, 2008

12345 ROSLYN WAY

THORNTON, CO 80602
3
Beds
2
Baths
1,948 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$626K
$597K low$656K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$288,800 · Apr 29, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,325 (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.$31,250 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,250
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$25,000
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.$600,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyAdams
Lot (acres)The size of the land the home sits on, from county records.0.18
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

Transaction History(4)

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
Brantner Elementary SchoolB+
Elementary · Grades PK–5 · 1.2 mi
M
Quist Middle SchoolC+
Middle · Grades 6–8 · 1.6 mi
H
Riverdale Ridge High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Brighton School District 27j

Neighborhood · ZIP 80602These 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.28
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
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.1.7%
PopulationHow many people live in this area.42,897
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,400 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$141,129
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,669
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

12345 Roslyn Way 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 91% of homes in King Ranch
  • Costs more per square foot than 89% of homes in King Ranch
  • Smaller than 89% of homes in King Ranch
  • Among the smallest lots in King Ranch
  • Older than 78% of homes in King Ranch

What homes are worth in Brighton 80602

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

This home
$348K$1.2M

This home is worth more than 38% of homes in Brighton 80602.

How it measures up in Brighton 80602

The dot is this home. The mark in the middle is the typical home in Brighton 80602.

Estimated value$626,487
CheaperTypical $673,255Pricier

Pricier than 38% of homes nearby

Price per ft²$322
CheaperTypical $291Pricier

Pricier than 65% of homes nearby

Living area1,948 ft²
SmallerTypical 2,280 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 52% of homes nearby

Year built2007
OlderTypical 2007Newer

Newer than 51% of homes nearby

How 12345 Roslyn Way ranks against every home in each area.
MeasureThis homeKing RanchBrighton 80602Adams County
Estimated valuepricier than$626,4879% of homes38% of homes82% of homes
Price per ft²pricier than$32289% of homes65% of homes65% of homes
Living areabigger than1,948 ft²11% of homes34% of homes69% of homes
Lot sizebigger than0.18 acalmost no homes52% of homes59% of homes
Year builtnewer than200722% of homes51% of homes78% of homes

About 12345 Roslyn Way

How much is 12345 Roslyn Way, Thornton, CO worth?

The TopHap Estimate for 12345 Roslyn Way, Thornton, CO is $626,487 as of Sep 24, 2026. The likely range is $596,978 to $655,996. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12345 Roslyn Way, Thornton, CO last sell?

12345 Roslyn Way, Thornton, CO last sold on Apr 29, 2008 for $288,800, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 12345 Roslyn Way, Thornton, CO?

12345 Roslyn Way, Thornton, CO has 3 bedrooms, 2 bathrooms, 1,948 square feet of living space and a 0.18-acre lot.

When was 12345 Roslyn Way, Thornton, CO built?

12345 Roslyn Way, Thornton, CO was built in 2007, making it 19 years old. It is a ranch home. The building has 1 story.

What schools serve 12345 Roslyn Way, Thornton, CO?

12345 Roslyn Way, Thornton, CO is assigned to Brantner Elementary School (elementary), rated B+; Quist Middle School (middle), rated C+; Riverdale Ridge High School (high), rated A-. All sit in Brighton School District 27j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12345 Roslyn Way, Thornton, CO compare to other homes in Brighton 80602?

Among the 16,733 homes in Brighton 80602, it is worth more than 38% of them ($626,487 against a typical $673,255), its price per square foot is higher than 65% of them ($322 against a typical $291), it is bigger than 34% of them (1,948 ft² against a typical 2,280 ft²), its lot is bigger than 52% of them (0.18 ac against a typical 0.17 ac) and it is newer than 51% of them (2007 against a typical 2007). Measured against all of Adams County, it is worth more than 82% 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 12345 Roslyn Way, Thornton, CO?

The 2025 property tax bill for 12345 Roslyn Way, Thornton, CO was $1,325. The county assessed it at $31,250.

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