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Single Family ResidenceResidential
$568,321$479 / 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 78How 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 $565,555 on Feb 17, 2026

8351 MASON CIR

WESTMINSTER, CO 80031
3
Beds
1
Baths
1,186 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$568K
$441K low$695K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$565,555 · Feb 17, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,262 (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.$29,380 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,120
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$23,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,010
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$432,000

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.0.22
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
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Sound
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 1,000 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.

M
Shaw Heights Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
E
Mesa Elementary SchoolD+
Elementary · Grades PK–5 · 1.0 mi
H
Westminster High SchoolB-
High · Grades 9–12 · 1.9 mi

District: Westminster School District 50

Neighborhood · ZIP 80031These 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.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.40,182
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,768 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,051
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

8351 Mason Cir 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 more than 97% of homes in Shaw Heights
  • Costs more per square foot than 97% of homes in Adams County
  • Smaller than 75% of homes in Westminster 80031
  • Has a bigger lot than 91% of homes in Shaw Heights
  • Older than 83% of homes in Westminster 80031

What homes are worth in Westminster 80031

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

This home
$183K$1.1M

This home is worth more than 63% of homes in Westminster 80031.

How it measures up in Westminster 80031

The dot is this home. The mark in the middle is the typical home in Westminster 80031.

Estimated value$568,321
CheaperTypical $504,690Pricier

Pricier than 63% of homes nearby

Price per ft²$479
CheaperTypical $310Pricier

Pricier than 96% of homes nearby

Living area1,186 ft²
SmallerTypical 1,668 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.22 ac
SmallerTypical 0.17 acBigger

Bigger than 80% of homes nearby

Year built1965
OlderTypical 1983Newer

Newer than 17% of homes nearby

How 8351 Mason Cir ranks against every home in each area.
MeasureThis homeShaw HeightsWestminster 80031Adams County
Estimated valuepricier than$568,32197% of homes63% of homes74% of homes
Price per ft²pricier than$47988% of homes96% of homes97% of homes
Living areabigger than1,186 ft²54% of homes25% of homes26% of homes
Lot sizebigger than0.22 ac91% of homes80% of homes79% of homes
Year builtnewer than196564% of homes17% of homes21% of homes

About 8351 Mason Cir

How much is 8351 Mason Cir, Westminster, CO worth?

The TopHap Estimate for 8351 Mason Cir, Westminster, CO is $568,321 as of Sep 24, 2026. The likely range is $441,420 to $695,222. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8351 Mason Cir, Westminster, CO last sell?

8351 Mason Cir, Westminster, CO last sold on Feb 17, 2026 for $565,555, according to the county's recorded deed.

How big is 8351 Mason Cir, Westminster, CO?

8351 Mason Cir, Westminster, CO has 3 bedrooms, 1 bathrooms, 1,186 square feet of living space and a 0.22-acre lot.

When was 8351 Mason Cir, Westminster, CO built?

8351 Mason Cir, Westminster, CO was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 8351 Mason Cir, Westminster, CO?

8351 Mason Cir, Westminster, CO is assigned to Shaw Heights Middle School (middle), rated C-; Mesa Elementary School (elementary), rated D+; Westminster High School (high), rated B-. All sit in Westminster School District 50. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8351 Mason Cir, Westminster, CO compare to other homes in Westminster 80031?

Among the 12,757 homes in Westminster 80031, it is worth more than 63% of them ($568,321 against a typical $504,690), its price per square foot is higher than 96% of them ($479 against a typical $310), it is bigger than 25% of them (1,186 ft² against a typical 1,668 ft²), its lot is bigger than 80% of them (0.22 ac against a typical 0.17 ac) and it is newer than 17% of them (1965 against a typical 1983). Measured against all of Adams County, it is worth more than 74% 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 8351 Mason Cir, Westminster, CO?

The 2024 property tax bill for 8351 Mason Cir, Westminster, CO was $2,262. The county assessed it at $29,380.

More homes on Mason Cir

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