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Single Family ResidenceResidential
$797,953$542 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $595,000 on Feb 26, 2021

421 S WHITCOMB ST

FORT COLLINS, CO 80521
3
Beds
1
Baths
1,472 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1911
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

$798K
$769K low$827K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$595,000 · Feb 26, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,661 (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.$46,775 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,625
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$748,400

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.5 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
CountyLARIMER
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
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.Alley
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 520 ft²

Transaction History(2)

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.

E
Dunn Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
M
Lincoln Middle IB World SchoolC+
Middle · Grades 6–8 · 1.6 mi
H
Poudre High SchoolC
High · Grades 9–12 · 1.9 mi

District: Poudre School District R-1

Neighborhood · ZIP 80521These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.28%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.37,077
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,576 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,880
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,296
Average tempThe average temperature here across a full year.48°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

421 S Whitcomb 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 86% of homes in Fort Collins 80521
  • Costs more per square foot than 94% of homes in Larimer County
  • Older than 97% of homes in Larimer County

What homes are worth in Fort Collins 80521

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

This home
$252K$1.5M

This home is worth more than 86% of homes in Fort Collins 80521.

How it measures up in Fort Collins 80521

The dot is this home. The mark in the middle is the typical home in Fort Collins 80521.

Estimated value$797,953
CheaperTypical $523,057Pricier

Pricier than 86% of homes nearby

Price per ft²$542
CheaperTypical $388Pricier

Pricier than 83% of homes nearby

Living area1,472 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.21 ac
SmallerTypical 0.19 acBigger

Bigger than 63% of homes nearby

Year built1911
OlderTypical 1967Newer

Newer than 9% of homes nearby

How 421 S Whitcomb St ranks against every home in each area.
MeasureThis homeOld Town WestFort Collins 80521Larimer County
Estimated valuepricier than$797,95360% of homes86% of homes82% of homes
Price per ft²pricier than$54245% of homes83% of homes94% of homes
Living areabigger than1,472 ft²63% of homes58% of homes36% of homes
Lot sizebigger than0.21 ac63% of homes63% of homes57% of homes
Year builtnewer than191136% of homes9% of homes3% of homes

About 421 S Whitcomb St

How much is 421 S Whitcomb St, Fort Collins, CO worth?

The TopHap Estimate for 421 S Whitcomb St, Fort Collins, CO is $797,953 as of Oct 21, 2026. The likely range is $768,703 to $827,203. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 S Whitcomb St, Fort Collins, CO last sell?

421 S Whitcomb St, Fort Collins, CO last sold on Feb 26, 2021 for $595,000, according to the county's recorded deed.

How big is 421 S Whitcomb St, Fort Collins, CO?

421 S Whitcomb St, Fort Collins, CO has 3 bedrooms, 1 bathrooms, 1,472 square feet of living space and a 0.21-acre lot.

When was 421 S Whitcomb St, Fort Collins, CO built?

421 S Whitcomb St, Fort Collins, CO was built in 1911, making it 115 years old. The building has 1 story.

What schools serve 421 S Whitcomb St, Fort Collins, CO?

421 S Whitcomb St, Fort Collins, CO is assigned to Dunn Elementary School (elementary), rated A+; Lincoln Middle IB World School (middle), rated C+; Poudre High School (high), rated C. All sit in Poudre School District R-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S Whitcomb St, Fort Collins, CO compare to other homes in Fort Collins 80521?

Among the 9,046 homes in Fort Collins 80521, it is worth more than 86% of them ($797,953 against a typical $523,057), its price per square foot is higher than 83% of them ($542 against a typical $388), it is bigger than 58% of them (1,472 ft² against a typical 1,344 ft²), its lot is bigger than 63% of them (0.21 ac against a typical 0.19 ac) and it is newer than 9% of them (1911 against a typical 1967). Measured against all of Larimer County, it is worth more than 82% 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 421 S Whitcomb St, Fort Collins, CO?

The 2025 property tax bill for 421 S Whitcomb St, Fort Collins, CO was $4,661. The county assessed it at $46,775.

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