Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$651,117$434 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $600,000 on Jun 14, 2024

840 ASTER CT

NEW CASTLE, CO 81647
3
Beds
2
Baths
1,499 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$651K
$597K low$705K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$600,000 · Jun 14, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,811 (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.$35,740 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,990
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$571,810

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.Split Level
CountyGarfield
Lot (acres)The size of the land the home sits on, from county records.0.27
ConstructionThe main material the home's frame and walls are built from.Metal 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.Evaporative
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 112 ft²Patio · 112 ft²Porch · 195 ft²

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.

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

E
Kathryn Senor Elementary SchoolB
Elementary · Grades PK–4 · 0.6 mi
M
Riverside Middle SchoolC
Middle · Grades 5–8 · 0.6 mi
H
Coal Ridge High SchoolA-
High · Grades 9–12 · 4.1 mi

District: Garfield School District Re-2

Neighborhood · ZIP 81647These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.120

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.8,289
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,341
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,561
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.23 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.71%

Owner Tools

Do you own this home?
Claim this home

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

840 Aster Ct 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.

  • Costs more per square foot than 75% of homes in New Castle 81647
  • Has a bigger lot than 65% of homes in New Castle 81647
  • Older than 72% of homes in New Castle 81647

What homes are worth in New Castle 81647

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

This home
$323K$1.7M

This home is worth more than 49% of homes in New Castle 81647.

How it measures up in New Castle 81647

The dot is this home. The mark in the middle is the typical home in New Castle 81647.

Estimated value$651,117
CheaperTypical $654,618Pricier

Pricier than 49% of homes nearby

Price per ft²$434
CheaperTypical $379Pricier

Pricier than 75% of homes nearby

Living area1,499 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.27 ac
SmallerTypical 0.19 acBigger

Bigger than 65% of homes nearby

Year built1989
OlderTypical 1999Newer

Newer than 28% of homes nearby

How 840 Aster Ct ranks against every home in each area.
MeasureThis homeNew Castle 81647Garfield County
Estimated valuepricier than$651,11749% of homes45% of homes
Price per ft²pricier than$43475% of homes59% of homes
Living areabigger than1,499 ft²45% of homes39% of homes
Lot sizebigger than0.27 ac65% of homes58% of homes
Year builtnewer than198928% of homes41% of homes

About 840 Aster Ct

How much is 840 Aster Ct, New Castle, CO worth?

The TopHap Estimate for 840 Aster Ct, New Castle, CO is $651,117 as of Aug 30, 2026. The likely range is $596,973 to $705,261. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 Aster Ct, New Castle, CO last sell?

840 Aster Ct, New Castle, CO last sold on Jun 14, 2024 for $600,000, according to the county's recorded deed.

How big is 840 Aster Ct, New Castle, CO?

840 Aster Ct, New Castle, CO has 3 bedrooms, 2 bathrooms, 1,499 square feet of living space and a 0.27-acre lot.

When was 840 Aster Ct, New Castle, CO built?

840 Aster Ct, New Castle, CO was built in 1989, making it 37 years old. It is a split level home. The building has 2 stories.

What schools serve 840 Aster Ct, New Castle, CO?

840 Aster Ct, New Castle, CO is assigned to Kathryn Senor Elementary School (elementary), rated B; Riverside Middle School (middle), rated C; Coal Ridge High School (high), rated A-. All sit in Garfield School District Re-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 Aster Ct, New Castle, CO compare to other homes in New Castle 81647?

Among the 2,846 homes in New Castle 81647, it is worth more than 49% of them ($651,117 against a typical $654,618), its price per square foot is higher than 75% of them ($434 against a typical $379), it is bigger than 45% of them (1,499 ft² against a typical 1,596 ft²), its lot is bigger than 65% of them (0.27 ac against a typical 0.19 ac) and it is newer than 28% of them (1989 against a typical 1999). Measured against all of Garfield County, it is worth more than 45% 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 840 Aster Ct, New Castle, CO?

The 2025 property tax bill for 840 Aster Ct, New Castle, CO was $2,811. The county assessed it at $35,740.

More homes on Aster Ct

Closest homes

More homes in New Castle 81647

Assigned schools

Explore the area

See this home in context

Open 840 Aster Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map