Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$382,641$179 / 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 95How 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 $160,000 on Dec 20, 2011

312 4TH ST

FORT LUPTON, CO 80621
4
Beds
2
Baths
2,140 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.
1898
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$383K
$365K low$400K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$160,000 · Dec 20, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,240 (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.$22,130 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,060
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$22,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$361,566

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
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.1927
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.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.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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 208 ft²Porch · 399 ft²

Transaction History(3)

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 · 0.4 mi
E
Butler Elementary SchoolD
Elementary · Grades KG–5 · 0.5 mi
H
Fort Lupton High SchoolB+
High · Grades 9–12 · 0.5 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%

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

312 4th 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 less than 78% of homes in Weld County
  • Costs less per square foot than 93% of homes in Fort Lupton 80621
  • Bigger than 77% of homes in Fort Lupton 80621
  • Has a smaller lot than 74% of homes in Weld County
  • Among the oldest homes in Weld County

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
$273K$859K

This home is worth more than 28% 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$382,641
CheaperTypical $434,241Pricier

Pricier than 28% of homes nearby

Price per ft²$179
CheaperTypical $276Pricier

Pricier than 7% of homes nearby

Living area2,140 ft²
SmallerTypical 1,569 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 29% of homes nearby

Year built1898
OlderTypical 1998Newer

Newer than 2% of homes nearby

How 312 4th St ranks against every home in each area.
MeasureThis homeFort Lupton 80621Weld County
Estimated valuepricier than$382,64128% of homes22% of homes
Price per ft²pricier than$1797% of homes11% of homes
Living areabigger than2,140 ft²77% of homes61% of homes
Lot sizebigger than0.14 ac29% of homes26% of homes
Year builtnewer than18982% of homesalmost no homes

About 312 4th St

How much is 312 4th St, Fort Lupton, CO worth?

The TopHap Estimate for 312 4th St, Fort Lupton, CO is $382,641 as of Sep 24, 2026. The likely range is $365,171 to $400,111. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 4th St, Fort Lupton, CO last sell?

312 4th St, Fort Lupton, CO last sold on Dec 20, 2011 for $160,000, according to the county's recorded deed.

How big is 312 4th St, Fort Lupton, CO?

312 4th St, Fort Lupton, CO has 4 bedrooms, 2 bathrooms, 2,140 square feet of living space and a 0.14-acre lot.

When was 312 4th St, Fort Lupton, CO built?

312 4th St, Fort Lupton, CO was built in 1898, making it 128 years old. It is a ranch home. The building has 1 story.

What schools serve 312 4th St, Fort Lupton, CO?

312 4th St, Fort Lupton, CO is assigned to Fort Lupton Middle School (middle), rated D; Butler Elementary School (elementary), rated D; Fort Lupton High School (high), rated B+. All sit in Weld County School District Re-8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 4th St, Fort Lupton, CO compare to other homes in Fort Lupton 80621?

Among the 4,770 homes in Fort Lupton 80621, it is worth more than 28% of them ($382,641 against a typical $434,241), its price per square foot is higher than 7% of them ($179 against a typical $276), it is bigger than 77% of them (2,140 ft² against a typical 1,569 ft²), its lot is bigger than 29% of them (0.14 ac against a typical 0.18 ac) and it is newer than 2% of them (1898 against a typical 1998). Measured against all of Weld County, it is worth more than 22% 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 312 4th St, Fort Lupton, CO?

The 2025 property tax bill for 312 4th St, Fort Lupton, CO was $2,240. The county assessed it at $22,130.

More homes on 4th St

Closest homes

More homes in Fort Lupton 80621

Assigned schools

Explore the area

See this home in context

Open 312 4th St 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