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Single Family ResidenceResidential
$395,186$465 / 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 $126,000 on Sep 24, 2012

11521 DOWNING ST

NORTHGLENN, CO 80233
2
Beds
2
Baths
850 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$395K
$375K low$416K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$126,000 · Sep 24, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,511 (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.$25,810 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,060
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$413,000

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.0.17
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, Detached

Transaction History(2)

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(1)

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

E
Malley Drive Elementary SchoolC+
Elementary · Grades PK–5 · 0.2 mi
M
Northglenn Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Mountain Range High SchoolB
High · Grades 9–12 · 1.8 mi

District: Northglenn-Thornton School District 12

Neighborhood · ZIP 80233These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
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.18%
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.51,691
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,551 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,509
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,105
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

11521 Downing 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 76% of homes in Denver 80233
  • Costs more per square foot than 95% of homes in Adams County
  • Smaller than 94% of homes in Adams County
  • Older than 79% of homes in Adams County

What homes are worth in Denver 80233

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

This home
$303K$622K

This home is worth more than 24% of homes in Denver 80233.

How it measures up in Denver 80233

The dot is this home. The mark in the middle is the typical home in Denver 80233.

Estimated value$395,186
CheaperTypical $452,085Pricier

Pricier than 24% of homes nearby

Price per ft²$465
CheaperTypical $293Pricier

Pricier than 93% of homes nearby

Living area850 ft²
SmallerTypical 1,497 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 42% of homes nearby

Year built1964
OlderTypical 1977Newer

Newer than 27% of homes nearby

How 11521 Downing St ranks against every home in each area.
MeasureThis homeDenver 80233Adams County
Estimated valuepricier than$395,18624% of homes24% of homes
Price per ft²pricier than$46593% of homes95% of homes
Living areabigger than850 ft²9% of homes6% of homes
Lot sizebigger than0.17 ac42% of homes52% of homes
Year builtnewer than196427% of homes21% of homes

About 11521 Downing St

How much is 11521 Downing St, Northglenn, CO worth?

The TopHap Estimate for 11521 Downing St, Northglenn, CO is $395,186 as of Sep 24, 2026. The likely range is $374,613 to $415,759. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11521 Downing St, Northglenn, CO last sell?

11521 Downing St, Northglenn, CO last sold on Sep 24, 2012 for $126,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 11521 Downing St, Northglenn, CO?

11521 Downing St, Northglenn, CO has 2 bedrooms, 2 bathrooms, 850 square feet of living space and a 0.17-acre lot.

When was 11521 Downing St, Northglenn, CO built?

11521 Downing St, Northglenn, CO was built in 1964, making it 62 years old. It is a ranch home. The building has 1 story.

What schools serve 11521 Downing St, Northglenn, CO?

11521 Downing St, Northglenn, CO is assigned to Malley Drive Elementary School (elementary), rated C+; Northglenn Middle School (middle), rated C; Mountain Range High School (high), rated B. All sit in Northglenn-Thornton School District 12. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11521 Downing St, Northglenn, CO compare to other homes in Denver 80233?

Among the 13,052 homes in Denver 80233, it is worth more than 24% of them ($395,186 against a typical $452,085), its price per square foot is higher than 93% of them ($465 against a typical $293), it is bigger than 9% of them (850 ft² against a typical 1,497 ft²), its lot is bigger than 42% of them (0.17 ac against a typical 0.17 ac) and it is newer than 27% of them (1964 against a typical 1977). Measured against all of Adams County, it is worth more than 24% 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 11521 Downing St, Northglenn, CO?

The 2025 property tax bill for 11521 Downing St, Northglenn, CO was $1,511. The county assessed it at $25,810.

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