Apartments (Generic)Residential
Last sold for $20,015,000 on Aug 3, 1999
9830 ROSEMONT AVE
LONE TREE, CO 80124
0
Baths
263,422 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.
12.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,015,000 · Aug 3, 1999
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$450,978 (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.$4,890,560 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$404,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,486,480
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,818,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$71,920,000
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Apartments (Generic)
CountyDOUGLAS
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
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.Neighborhood · ZIP 80124These 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.91
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
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.27,982
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,487 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,295
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,500
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%
Owner Tools
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Claim this homeData 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
9830 Rosemont Ave 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.
- Among the largest homes in Lone Tree 80124
- Among the largest lots in Lone Tree 80124
- Older than 69% of homes in Douglas County
How it measures up in Lone Tree 80124
The dot is this home. The mark in the middle is the typical home in Lone Tree 80124.
Living area263,422 ft²
SmallerTypical 2,869 ft²Bigger
Bigger than almost all homes nearby
Lot size12.18 ac
SmallerTypical 0.19 acBigger
Bigger than almost all homes nearby
Year built1996
OlderTypical 1997Newer
Newer than 46% of homes nearby
| Measure | This home | Lone Tree 80124 | Douglas County |
|---|---|---|---|
| Living areabigger than | 263,422 ft² | almost all homes | almost all homes |
| Lot sizebigger than | 12.18 ac | almost all homes | almost all homes |
| Year builtnewer than | 1996 | 46% of homes | 31% of homes |
About 9830 Rosemont Ave
When did 9830 Rosemont Ave, Lone Tree, CO last sell?
9830 Rosemont Ave, Lone Tree, CO last sold on Aug 3, 1999 for $20,015,000, according to the county's recorded deed.
When was 9830 Rosemont Ave, Lone Tree, CO built?
9830 Rosemont Ave, Lone Tree, CO was built in 1996, making it 30 years old. The building has 3 stories.
How does 9830 Rosemont Ave, Lone Tree, CO compare to other homes in Lone Tree 80124?
Among the 6,143 homes in Lone Tree 80124, it is bigger than almost all of them (263,422 ft² against a typical 2,869 ft²), its lot is bigger than almost all of them (12.18 ac against a typical 0.19 ac) and it is newer than 46% of them (1996 against a typical 1997). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 9830 Rosemont Ave, Lone Tree, CO?
The 2024 property tax bill for 9830 Rosemont Ave, Lone Tree, CO was $450,978. The county assessed it at $4,890,560.
Closest homes
- 8736 Tall Grass Pl$905K516 ft · 3 bd · 3 ba · 2,922 ft² · Sold $306K · May 1999
- 491 ft · 1,960 ft² · Sold Feb 1995
- 0.1 mi · 1,176 ft² · Sold Feb 1995
- 8726 Tall Grass Pl$1M518 ft · 3 bd · 3 ba · 3,898 ft² · Sold $716K · Sep 2021
- 8746 Tall Grass Pl$903K0.1 mi · 3 bd · 4 ba · 2,815 ft² · Sold $251K · Jul 1995
- 8716 Tall Grass Pl$883K0.1 mi · 4 bd · 3 ba · 2,815 ft² · Sold Oct 2007
- 8735 Tall Grass Pl$927K0.1 mi · 5 bd · 3 ba · 2,702 ft² · Sold $249K · Jul 1995
- 9794 Tall Grass Cir$892K0.1 mi · 3 bd · 3 ba · 2,587 ft² · Sold $383K · Jul 2003
More homes in Lone Tree 80124
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- 8405 Green Island Cir$1.7M4 bd · 4 ba · 5,796 ft² · Sold $1.4M · Aug 2026
- 10492 Rivington Ct$1.6M4 bd · 5 ba · 6,277 ft² · Sold $1.6M · Aug 2026
- 10221 Bluffmont Dr$1.1M3 bd · 4 ba · 3,616 ft² · Sold $1M · Aug 2026
- 7135 Leopard Dr$698K3 bd · 2 ba · 2,340 ft² · Sold $700K · Aug 2026
- 9486 E Winding Hill Ave$2.3M5 bd · 6 ba · 6,301 ft² · Sold $2.3M · Aug 2026
- 7444 Indian Wells Cv$794K4 bd · 3 ba · 2,377 ft² · Sold $794K · Aug 2026
- 13192 Mercury Dr$550K5 bd · 2 ba · 1,990 ft² · Sold $550K · Aug 2026
- 10797 S Monaco St$1.5M3 bd · 4 ba · 4,491 ft² · Sold $1M · Aug 2026
- 7992 Chaparral Rd$708K4 bd · 3 ba · 2,202 ft² · Sold $708K · Aug 2026
- 5630 Cheetah Chase$637K3 bd · 3 ba · 2,033 ft² · Sold $637K · Aug 2026
- 8435 Green Island Cir$1.6M4 bd · 4 ba · 5,662 ft² · Sold $1.6M · Aug 2026
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