Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$575,850$450 / 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 $189,000 on Aug 2, 2002

617 ARMSTRONG AVE

FORT COLLINS, CO 80521
2
Beds
2
Baths
1,279 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$576K
$563K low$589K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$189,000 · Aug 2, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,677 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$42,002 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,322
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,002
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$626,900

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
CountyLarimer
Lot (acres)The size of the land the home sits on, from county records.0.29
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.Wood Shingle
HeatingThe type of heating system in the home.Forced Air
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 494 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 SchoolB
Elementary · Grades KG–5 · 0.1 mi
M
Lincoln Middle IB World SchoolC
Middle · Grades 6–8 · 1.6 mi
H
Poudre High SchoolB+
High · Grades 9–12 · 1.6 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%

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

617 Armstrong 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.

  • Costs more per square foot than 84% of homes in Larimer County
  • Smaller than 76% of homes in Larimer County
  • Has a bigger lot than 79% of homes in Fort Collins 80521
  • Older than 92% 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
$254K$1.4M

This home is worth more than 64% 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$575,850
CheaperTypical $520,161Pricier

Pricier than 64% of homes nearby

Price per ft²$450
CheaperTypical $390Pricier

Pricier than 67% of homes nearby

Living area1,279 ft²
SmallerTypical 1,316 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.29 ac
SmallerTypical 0.19 acBigger

Bigger than 79% of homes nearby

Year built1952
OlderTypical 1967Newer

Newer than 26% of homes nearby

How 617 Armstrong Ave ranks against every home in each area.
MeasureThis homeFort Collins 80521Larimer County
Estimated valuepricier than$575,85064% of homes54% of homes
Price per ft²pricier than$45067% of homes84% of homes
Living areabigger than1,279 ft²47% of homes24% of homes
Lot sizebigger than0.29 ac79% of homes71% of homes
Year builtnewer than195226% of homes8% of homes

About 617 Armstrong Ave

How much is 617 Armstrong Ave, Fort Collins, CO worth?

The TopHap Estimate for 617 Armstrong Ave, Fort Collins, CO is $575,850 as of Sep 24, 2026. The likely range is $562,590 to $589,110. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 617 Armstrong Ave, Fort Collins, CO last sell?

617 Armstrong Ave, Fort Collins, CO last sold on Aug 2, 2002 for $189,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 617 Armstrong Ave, Fort Collins, CO?

617 Armstrong Ave, Fort Collins, CO has 2 bedrooms, 2 bathrooms, 1,279 square feet of living space and a 0.29-acre lot.

When was 617 Armstrong Ave, Fort Collins, CO built?

617 Armstrong Ave, Fort Collins, CO was built in 1952, making it 74 years old. It is a ranch home. The building has 1 story.

What schools serve 617 Armstrong Ave, Fort Collins, CO?

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

How does 617 Armstrong Ave, Fort Collins, CO compare to other homes in Fort Collins 80521?

Among the 9,056 homes in Fort Collins 80521, it is worth more than 64% of them ($575,850 against a typical $520,161), its price per square foot is higher than 67% of them ($450 against a typical $390), it is bigger than 47% of them (1,279 ft² against a typical 1,316 ft²), its lot is bigger than 79% of them (0.29 ac against a typical 0.19 ac) and it is newer than 26% of them (1952 against a typical 1967). Measured against all of Larimer County, it is worth more than 54% 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 617 Armstrong Ave, Fort Collins, CO?

The 2024 property tax bill for 617 Armstrong Ave, Fort Collins, CO was $3,677. The county assessed it at $42,002.

More homes on Armstrong Ave

Closest homes

More homes in Fort Collins 80521

Assigned schools

Explore the area

See this home in context

Open 617 Armstrong Ave 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