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Single Family ResidenceResidential
$522,314$576 / 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

13521 OSAGE ST

WESTMINSTER, CO 80234
3
Beds
1
Baths
907 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.
1984
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$522K
$494K low$551K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$815 (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.$25,370 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,560
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$406,000

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.0.14
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 · 120 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.

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

E
Arapahoe Ridge Elementary SchoolA-
Elementary · Grades PK–5 · 0.4 mi
H
Legacy High SchoolB+
High · Grades 9–12 · 0.7 mi
M
Silver Hills Middle SchoolC
Middle · Grades 6–8 · 1.4 mi

District: Northglenn-Thornton School District 12

Neighborhood · ZIP 80234These 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.101
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 100.47

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.29,279
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,058 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,103
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,661
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

13521 Osage 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 less than 66% of homes in Quail Crossing
  • Among the highest price per square foot in Denver 80234
  • Smaller than 93% of homes in Quail Crossing
  • Has a smaller lot than 74% of homes in Denver 80234

What homes are worth in Denver 80234

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

This home
$207K$1.2M

This home is worth more than 44% of homes in Denver 80234.

How it measures up in Denver 80234

The dot is this home. The mark in the middle is the typical home in Denver 80234.

Estimated value$522,314
CheaperTypical $546,211Pricier

Pricier than 44% of homes nearby

Price per ft²$576
CheaperTypical $292Pricier

Pricier than almost all homes nearby

Living area907 ft²
SmallerTypical 1,764 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 26% of homes nearby

Year built1984
OlderTypical 1994Newer

Newer than 41% of homes nearby

How 13521 Osage St ranks against every home in each area.
MeasureThis homeQuail CrossingDenver 80234Adams County
Estimated valuepricier than$522,31434% of homes44% of homes64% of homes
Price per ft²pricier than$57698% of homesalmost all homesalmost all homes
Living areabigger than907 ft²7% of homes7% of homes9% of homes
Lot sizebigger than0.14 ac43% of homes26% of homes29% of homes
Year builtnewer than198437% of homes41% of homes42% of homes

About 13521 Osage St

How much is 13521 Osage St, Westminster, CO worth?

The TopHap Estimate for 13521 Osage St, Westminster, CO is $522,314 as of Sep 24, 2026. The likely range is $494,029 to $550,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 13521 Osage St, Westminster, CO last sell?

13521 Osage St, Westminster, CO last sold on Jun 2, 1999, according to the county's recorded deed.

How big is 13521 Osage St, Westminster, CO?

13521 Osage St, Westminster, CO has 3 bedrooms, 1 bathrooms, 907 square feet of living space and a 0.14-acre lot.

When was 13521 Osage St, Westminster, CO built?

13521 Osage St, Westminster, CO was built in 1984, making it 42 years old. It is a ranch home. The building has 1 story.

What schools serve 13521 Osage St, Westminster, CO?

13521 Osage St, Westminster, CO is assigned to Arapahoe Ridge Elementary School (elementary), rated A-; Legacy High School (high), rated B+; Silver Hills Middle School (middle), rated C. All sit in Northglenn-Thornton School District 12. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 13521 Osage St, Westminster, CO compare to other homes in Denver 80234?

Among the 8,506 homes in Denver 80234, it is worth more than 44% of them ($522,314 against a typical $546,211), its price per square foot is higher than almost all of them ($576 against a typical $292), it is bigger than 7% of them (907 ft² against a typical 1,764 ft²), its lot is bigger than 26% of them (0.14 ac against a typical 0.21 ac) and it is newer than 41% of them (1984 against a typical 1994). Measured against all of Adams County, it is worth more than 64% 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 13521 Osage St, Westminster, CO?

The 2025 property tax bill for 13521 Osage St, Westminster, CO was $815. The county assessed it at $25,370.

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