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Single Family ResidenceResidential
$406,024$406 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

509 DOUGLAS DR

DENVER, CO 80221
3
Beds
1
Baths
1,000 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$406K
$389K low$423K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,804 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$27,810 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,980
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,830
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$25,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$409,000

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.0.25
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 With Air Conditioning
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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(2)

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

E
Coronado Hills Elementary SchoolD
Elementary · Grades PK–5 · 1.3 mi
H
Thornton High SchoolD+
High · Grades 9–12 · 1.7 mi
M
Thornton Middle SchoolD+
Middle · Grades 6–8 · 1.8 mi

District: Northglenn-Thornton School District 12

Neighborhood · ZIP 80221These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.42,567
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,549 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,652
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,752
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

509 Douglas Dr 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 72% of homes in Adams County
  • Costs more per square foot than 89% of homes in Adams County
  • Smaller than 86% of homes in Adams County
  • Has a bigger lot than 89% of homes in Sherrelwood Estates
  • Newer than 95% of homes in Sherrelwood Estates

What homes are worth in Denver 80221

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

This home
$263K$816K

This home is worth more than 42% of homes in Denver 80221.

How it measures up in Denver 80221

The dot is this home. The mark in the middle is the typical home in Denver 80221.

Estimated value$406,024
CheaperTypical $421,712Pricier

Pricier than 42% of homes nearby

Price per ft²$406
CheaperTypical $351Pricier

Pricier than 71% of homes nearby

Living area1,000 ft²
SmallerTypical 1,172 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.25 ac
SmallerTypical 0.16 acBigger

Bigger than 87% of homes nearby

Year built1972
OlderTypical 1959Newer

Newer than 77% of homes nearby

How 509 Douglas Dr ranks against every home in each area.
MeasureThis homeSherrelwood EstatesDenver 80221Adams County
Estimated valuepricier than$406,02448% of homes42% of homes28% of homes
Price per ft²pricier than$40681% of homes71% of homes89% of homes
Living areabigger than1,000 ft²30% of homes35% of homes14% of homes
Lot sizebigger than0.25 ac89% of homes87% of homes83% of homes
Year builtnewer than197295% of homes77% of homes28% of homes

About 509 Douglas Dr

How much is 509 Douglas Dr, Denver, CO worth?

The TopHap Estimate for 509 Douglas Dr, Denver, CO is $406,024 as of Oct 21, 2026. The likely range is $389,245 to $422,803. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Douglas Dr, Denver, CO last sell?

509 Douglas Dr, Denver, CO last sold on Apr 4, 1994, according to the county's recorded deed.

How big is 509 Douglas Dr, Denver, CO?

509 Douglas Dr, Denver, CO has 3 bedrooms, 1 bathrooms, 1,000 square feet of living space and a 0.25-acre lot.

When was 509 Douglas Dr, Denver, CO built?

509 Douglas Dr, Denver, CO was built in 1972, making it 54 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Douglas Dr, Denver, CO?

509 Douglas Dr, Denver, CO is assigned to Coronado Hills Elementary School (elementary), rated D; Thornton High School (high), rated D+; Thornton Middle School (middle), rated D+. All sit in Northglenn-Thornton School District 12. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Douglas Dr, Denver, CO compare to other homes in Denver 80221?

Among the 12,764 homes in Denver 80221, it is worth more than 42% of them ($406,024 against a typical $421,712), its price per square foot is higher than 71% of them ($406 against a typical $351), it is bigger than 35% of them (1,000 ft² against a typical 1,172 ft²), its lot is bigger than 87% of them (0.25 ac against a typical 0.16 ac) and it is newer than 77% of them (1972 against a typical 1959). Measured against all of Adams County, it is worth more than 28% 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 509 Douglas Dr, Denver, CO?

The 2024 property tax bill for 509 Douglas Dr, Denver, CO was $2,804. The county assessed it at $27,810.

More homes on Douglas Dr

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Assigned schools

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