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Single Family ResidenceResidential
$950,000$491 / 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 74How 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 $1,105,000 on Sep 30, 2026

117 N MACK ST

FORT COLLINS, CO 80521
4
Beds
2
Baths
1,933 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.
0.2 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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$950K
$705K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,105,000 · Sep 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,095 (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.$51,131 (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.$45,506
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$818,100

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.9 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
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.2011
Lot (acres)The size of the land the home sits on, from county records.0.20
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, Detached
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 · 164 ft²

Transaction History(8)

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
Putnam Elementary School of ScienceC
Elementary · Grades PK–5 · 0.5 mi
M
Lincoln Middle IB World SchoolC+
Middle · Grades 6–8 · 1.0 mi
H
Poudre High SchoolC
High · Grades 9–12 · 1.4 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

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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

117 N Mack 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 93% of homes in Fort Collins 80521
  • Costs more per square foot than 89% of homes in Larimer County
  • Bigger than 80% of homes in Old Town West
  • Among the oldest 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
$250K$1.3M

This home is worth more than 93% 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$950,000
CheaperTypical $520,557Pricier

Pricier than 93% of homes nearby

Price per ft²$491
CheaperTypical $390Pricier

Pricier than 75% of homes nearby

Living area1,933 ft²
SmallerTypical 1,333 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 59% of homes nearby

Year built1898
OlderTypical 1967Newer

Newer than 2% of homes nearby

How 117 N Mack St ranks against every home in each area.
MeasureThis homeOld Town WestFort Collins 80521Larimer County
Estimated valuepricier than$950,00075% of homes93% of homes89% of homes
Price per ft²pricier than$49137% of homes75% of homes89% of homes
Living areabigger than1,933 ft²80% of homes80% of homes63% of homes
Lot sizebigger than0.2 ac58% of homes59% of homes53% of homes
Year builtnewer than18987% of homes2% of homesalmost no homes

About 117 N Mack St

How much is 117 N Mack St, Fort Collins, CO worth?

The TopHap Estimate for 117 N Mack St, Fort Collins, CO is $950,000 as of Sep 24, 2026. The likely range is $705,439 to $1,194,561. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 117 N Mack St, Fort Collins, CO last sell?

117 N Mack St, Fort Collins, CO last sold on Sep 30, 2026 for $1,105,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 117 N Mack St, Fort Collins, CO?

117 N Mack St, Fort Collins, CO has 4 bedrooms, 2 bathrooms, 1,933 square feet of living space and a 0.20-acre lot.

When was 117 N Mack St, Fort Collins, CO built?

117 N Mack St, Fort Collins, CO was built in 1898, making it 128 years old. The building has 1 story.

What schools serve 117 N Mack St, Fort Collins, CO?

117 N Mack St, Fort Collins, CO is assigned to Putnam Elementary School of Science (elementary), rated C; 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 117 N Mack St, Fort Collins, CO compare to other homes in Fort Collins 80521?

Among the 9,054 homes in Fort Collins 80521, it is worth more than 93% of them ($950,000 against a typical $520,557), its price per square foot is higher than 75% of them ($491 against a typical $390), it is bigger than 80% of them (1,933 ft² against a typical 1,333 ft²), its lot is bigger than 59% of them (0.2 ac against a typical 0.19 ac) and it is newer than 2% of them (1898 against a typical 1967). Measured against all of Larimer County, it is worth more than 89% 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 117 N Mack St, Fort Collins, CO?

The 2025 property tax bill for 117 N Mack St, Fort Collins, CO was $5,095. The county assessed it at $51,131.

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