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Single Family ResidenceResidential
$654,339$337 / 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 98How 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 $255,000 on Jul 9, 2012

9138 W 101ST AVE

WESTMINSTER, CO 80021
4
Beds
4.3
Baths
1,942 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.

Valuation

$654K
$642K low$666K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Jul 9, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,424 (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.$41,932 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,460
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,472
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,236
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$670,909

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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

Transaction History(5)

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.

H
Standley Lake High SchoolA
High · Grades 9–12 · 0.3 mi
E
Semper Elementary SchoolD
Elementary · Grades PK–5 · 1.2 mi
M
Mandalay Middle SchoolB-
Middle · Grades 6–8 · 1.5 mi

District: Jefferson County School District R-1

Neighborhood · ZIP 80021These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.35,343
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,814 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,703
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,519
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

9138 W 101st 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.

  • Worth more than 88% of homes in Walnut Grove
  • Costs less per square foot than 72% of homes in Walnut Grove
  • Bigger than 85% of homes in Walnut Grove
  • Has a smaller lot than 77% of homes in Jefferson County
  • Newer than 89% of homes in Walnut Grove

What homes are worth in Broomfield 80021

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

This home
$282K$976K

This home is worth more than 72% of homes in Broomfield 80021.

How it measures up in Broomfield 80021

The dot is this home. The mark in the middle is the typical home in Broomfield 80021.

Estimated value$654,339
CheaperTypical $557,568Pricier

Pricier than 72% of homes nearby

Price per ft²$337
CheaperTypical $359Pricier

Pricier than 37% of homes nearby

Living area1,942 ft²
SmallerTypical 1,543 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.14 ac
SmallerTypical 0.16 acBigger

Bigger than 38% of homes nearby

Year built1993
OlderTypical 1983Newer

Newer than 70% of homes nearby

How 9138 W 101st Ave ranks against every home in each area.
MeasureThis homeWalnut GroveBroomfield 80021Jefferson County
Estimated valuepricier than$654,33988% of homes72% of homes59% of homes
Price per ft²pricier than$33728% of homes37% of homes34% of homes
Living areabigger than1,942 ft²85% of homes75% of homes67% of homes
Lot sizebigger than0.14 ac42% of homes38% of homes23% of homes
Year builtnewer than199389% of homes70% of homes74% of homes

About 9138 W 101st Ave

How much is 9138 W 101st Ave, Westminster, CO worth?

The TopHap Estimate for 9138 W 101st Ave, Westminster, CO is $654,339 as of Sep 24, 2026. The likely range is $642,260 to $666,418. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9138 W 101st Ave, Westminster, CO last sell?

9138 W 101st Ave, Westminster, CO last sold on Jul 9, 2012 for $255,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 9138 W 101st Ave, Westminster, CO?

9138 W 101st Ave, Westminster, CO has 4 bedrooms, 4.3 bathrooms, 1,942 square feet of living space and a 0.14-acre lot.

When was 9138 W 101st Ave, Westminster, CO built?

9138 W 101st Ave, Westminster, CO was built in 1993, making it 33 years old. It is a split level home.

What schools serve 9138 W 101st Ave, Westminster, CO?

9138 W 101st Ave, Westminster, CO is assigned to Standley Lake High School (high), rated A; Semper Elementary School (elementary), rated D; Mandalay Middle School (middle), rated B-. All sit in Jefferson County School District R-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9138 W 101st Ave, Westminster, CO compare to other homes in Broomfield 80021?

Among the 9,725 homes in Broomfield 80021, it is worth more than 72% of them ($654,339 against a typical $557,568), its price per square foot is higher than 37% of them ($337 against a typical $359), it is bigger than 75% of them (1,942 ft² against a typical 1,543 ft²), its lot is bigger than 38% of them (0.14 ac against a typical 0.16 ac) and it is newer than 70% of them (1993 against a typical 1983). Measured against all of Jefferson County, it is worth more than 59% 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 9138 W 101st Ave, Westminster, CO?

The 2025 property tax bill for 9138 W 101st Ave, Westminster, CO was $3,424. The county assessed it at $41,932.

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