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Single Family ResidenceResidential
$470,788$367 / 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 97How 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

422 HART ST

FIRESTONE, CO 80520
2
Beds
2
Baths
1,283 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
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.

Valuation

$471K
$458K low$484K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,376 (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.$27,480 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,310
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,170
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,480
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$439,748

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
CountyWeld
Lot (acres)The size of the land the home sits on, from county records.0.18
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.Central
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 90 ft²

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

H
Frederick Senior High SchoolB+
High · Grades 9–12 · 1.2 mi
E
Legacy Elementary SchoolC+
Elementary · Grades PK–5 · 1.9 mi
M
Coal Ridge Middle SchoolB-
Middle · Grades 6–8 · 2.9 mi

District: St. Vrain Valley School District Re 1j

Neighborhood · ZIP 80520These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,085 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,280
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,578
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

422 Hart St 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 67% of homes in Firestone 80520
  • Costs more per square foot than 83% of homes in Weld County
  • Smaller than 76% of homes in Weld County
  • Newer than 70% of homes in Firestone 80520

What homes are worth in Firestone 80520

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

This home
$297K$676K

This home is worth more than 67% of homes in Firestone 80520.

How it measures up in Firestone 80520

The dot is this home. The mark in the middle is the typical home in Firestone 80520.

Estimated value$470,788
CheaperTypical $443,914Pricier

Pricier than 67% of homes nearby

Price per ft²$367
CheaperTypical $335Pricier

Pricier than 66% of homes nearby

Living area1,283 ft²
SmallerTypical 1,330 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.18 ac
SmallerTypical 0.18 acBigger

Bigger than 62% of homes nearby

Year built1999
OlderTypical 1980Newer

Newer than 70% of homes nearby

How 422 Hart St ranks against every home in each area.
MeasureThis homeFirestone 80520Weld County
Estimated valuepricier than$470,78867% of homes46% of homes
Price per ft²pricier than$36766% of homes83% of homes
Living areabigger than1,283 ft²43% of homes24% of homes
Lot sizebigger than0.18 ac62% of homes54% of homes
Year builtnewer than199970% of homes42% of homes

About 422 Hart St

How much is 422 Hart St, Firestone, CO worth?

The TopHap Estimate for 422 Hart St, Firestone, CO is $470,788 as of Sep 24, 2026. The likely range is $457,539 to $484,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 422 Hart St, Firestone, CO last sell?

422 Hart St, Firestone, CO last sold on Nov 5, 2001, according to the county's recorded deed.

How big is 422 Hart St, Firestone, CO?

422 Hart St, Firestone, CO has 2 bedrooms, 2 bathrooms, 1,283 square feet of living space and a 0.18-acre lot.

When was 422 Hart St, Firestone, CO built?

422 Hart St, Firestone, CO was built in 1999, making it 27 years old. It is a ranch home. The building has 1 story.

What schools serve 422 Hart St, Firestone, CO?

422 Hart St, Firestone, CO is assigned to Frederick Senior High School (high), rated B+; Legacy Elementary School (elementary), rated C+; Coal Ridge Middle School (middle), rated B-. All sit in St. Vrain Valley School District Re 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 422 Hart St, Firestone, CO compare to other homes in Firestone 80520?

Among the 696 homes in Firestone 80520, it is worth more than 67% of them ($470,788 against a typical $443,914), its price per square foot is higher than 66% of them ($367 against a typical $335), it is bigger than 43% of them (1,283 ft² against a typical 1,330 ft²), its lot is bigger than 62% of them (0.18 ac against a typical 0.18 ac) and it is newer than 70% of them (1999 against a typical 1980). Measured against all of Weld County, it is worth more than 46% 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 422 Hart St, Firestone, CO?

The 2025 property tax bill for 422 Hart St, Firestone, CO was $2,376. The county assessed it at $27,480.

More homes on Hart St

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Assigned schools

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