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Single Family ResidenceResidential
$558,582$267 / 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 88How 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

100 9TH ST

FORT LUPTON, CO 80621
4
Beds
1
Baths
2,090 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.
0.79 ac
Lot SizeThe size of the land the home sits on, from county records.
1874
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$559K
$494K low$623K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,590 (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.$36,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,120
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$579,499

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.30%
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
CountyWeld
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1900
Lot (acres)The size of the land the home sits on, from county records.0.79
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.Hot Water
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 · 285 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
Fort Lupton Middle SchoolD+
Middle · Grades 6–8 · 0.7 mi
E
Butler Elementary SchoolC-
Elementary · Grades KG–5 · 0.8 mi
H
Fort Lupton High SchoolD+
High · Grades 9–12 · 0.9 mi

District: Weld County School District Re-8

Neighborhood · ZIP 80621These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.18,639
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.153 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,347
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,981
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

100 9th 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 80% of homes in Fort Lupton 80621
  • Costs less per square foot than 66% of homes in Fort Lupton 80621
  • Bigger than 82% of homes in Fort Lupton 80621
  • Has a bigger lot than 87% of homes in Weld County
  • Among the oldest homes in Fort Lupton 80621

What homes are worth in Fort Lupton 80621

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

This home
$261K$960K

This home is worth more than 80% of homes in Fort Lupton 80621.

How it measures up in Fort Lupton 80621

The dot is this home. The mark in the middle is the typical home in Fort Lupton 80621.

Estimated value$558,582
CheaperTypical $423,060Pricier

Pricier than 80% of homes nearby

Price per ft²$267
CheaperTypical $303Pricier

Pricier than 34% of homes nearby

Living area2,090 ft²
SmallerTypical 1,442 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.79 ac
SmallerTypical 0.18 acBigger

Bigger than 71% of homes nearby

Year built1874
OlderTypical 1996Newer

Older than almost all homes nearby

How 100 9th St ranks against every home in each area.
MeasureThis homeFort Lupton 80621Weld County
Estimated valuepricier than$558,58280% of homes68% of homes
Price per ft²pricier than$26734% of homes38% of homes
Living areabigger than2,090 ft²82% of homes72% of homes
Lot sizebigger than0.79 ac71% of homes87% of homes
Year builtnewer than1874almost no homesalmost no homes

About 100 9th St

How much is 100 9th St, Fort Lupton, CO worth?

The TopHap Estimate for 100 9th St, Fort Lupton, CO is $558,582 as of Aug 30, 2026. The likely range is $493,792 to $623,372. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 100 9th St, Fort Lupton, CO?

100 9th St, Fort Lupton, CO has 4 bedrooms, 1 bathrooms, 2,090 square feet of living space and a 0.79-acre lot.

When was 100 9th St, Fort Lupton, CO built?

100 9th St, Fort Lupton, CO was built in 1874, making it 152 years old. The building has 2 stories.

What schools serve 100 9th St, Fort Lupton, CO?

100 9th St, Fort Lupton, CO is assigned to Fort Lupton Middle School (middle), rated D+; Butler Elementary School (elementary), rated C-; Fort Lupton High School (high), rated D+. All sit in Weld County School District Re-8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 9th St, Fort Lupton, CO compare to other homes in Fort Lupton 80621?

Among the 4,963 homes in Fort Lupton 80621, it is worth more than 80% of them ($558,582 against a typical $423,060), its price per square foot is higher than 34% of them ($267 against a typical $303), it is bigger than 82% of them (2,090 ft² against a typical 1,442 ft²), its lot is bigger than 71% of them (0.79 ac against a typical 0.18 ac) and it is newer than almost none of them (1874 against a typical 1996). Measured against all of Weld County, it is worth more than 68% 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 100 9th St, Fort Lupton, CO?

The 2025 property tax bill for 100 9th St, Fort Lupton, CO was $3,590. The county assessed it at $36,220.

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