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Single Family ResidenceResidential
$526,313$516 / 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 Jul 14, 2026
Last sold for $262,000 on Jun 9, 2015

400 RIDDLE DR

FORT COLLINS, CO 80521
2
Beds
1
Baths
1,020 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$526K
$499K low$553K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$262,000 · Jun 9, 2015
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$208,313
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$166,650
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.61%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$293,000
GROUP MORTGAGE LLC · recorded Oct 1, 2020
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$25,000
ELEVATIONS CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,803 (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.$32,897 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,546
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,351
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,897
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$491,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
36
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.39 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
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.0.16
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.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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

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.

E
Putnam Elementary School of ScienceB+
Elementary · Grades PK–5 · 0.2 mi
M
Lincoln Middle IB World SchoolC
Middle · Grades 6–8 · 0.6 mi
H
Poudre High SchoolB+
High · Grades 9–12 · 1.3 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

400 Riddle Dr 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 90% of homes in Larimer County
  • Smaller than 88% of homes in Larimer County
  • Has a bigger lot than 72% of homes in Hanna Farm
  • Older than 90% 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
$245K$1.4M

This home is worth more than 45% 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$526,313
CheaperTypical $539,926Pricier

Pricier than 45% of homes nearby

Price per ft²$516
CheaperTypical $413Pricier

Pricier than 75% of homes nearby

Living area1,020 ft²
SmallerTypical 1,300 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.16 ac
SmallerTypical 0.19 acBigger

Bigger than 36% of homes nearby

Year built1958
OlderTypical 1966Newer

Newer than 35% of homes nearby

How 400 Riddle Dr ranks against every home in each area.
MeasureThis homeHanna FarmFort Collins 80521Larimer County
Estimated valuepricier than$526,31344% of homes45% of homes42% of homes
Price per ft²pricier than$51667% of homes75% of homes90% of homes
Living areabigger than1,020 ft²34% of homes26% of homes12% of homes
Lot sizebigger than0.16 ac72% of homes36% of homes34% of homes
Year builtnewer than195846% of homes35% of homes10% of homes

About 400 Riddle Dr

How much is 400 Riddle Dr, Fort Collins, CO worth?

The TopHap Estimate for 400 Riddle Dr, Fort Collins, CO is $526,313 as of Jul 14, 2026. The likely range is $499,161 to $553,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Riddle Dr, Fort Collins, CO last sell?

400 Riddle Dr, Fort Collins, CO last sold on Jun 9, 2015 for $262,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 400 Riddle Dr, Fort Collins, CO?

400 Riddle Dr, Fort Collins, CO has 2 bedrooms, 1 bathrooms, 1,020 square feet of living space and a 0.16-acre lot.

When was 400 Riddle Dr, Fort Collins, CO built?

400 Riddle Dr, Fort Collins, CO was built in 1958, making it 68 years old. It is a ranch home. The building has 1 story.

What schools serve 400 Riddle Dr, Fort Collins, CO?

400 Riddle Dr, Fort Collins, CO is assigned to Putnam Elementary School of Science (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 400 Riddle Dr, Fort Collins, CO compare to other homes in Fort Collins 80521?

Among the 9,062 homes in Fort Collins 80521, it is worth more than 45% of them ($526,313 against a typical $539,926), its price per square foot is higher than 75% of them ($516 against a typical $413), it is bigger than 26% of them (1,020 ft² against a typical 1,300 ft²), its lot is bigger than 36% of them (0.16 ac against a typical 0.19 ac) and it is newer than 35% of them (1958 against a typical 1966). Measured against all of Larimer County, it is worth more than 42% 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 400 Riddle Dr, Fort Collins, CO?

The 2024 property tax bill for 400 Riddle Dr, Fort Collins, CO was $2,803. The county assessed it at $32,897.

More homes on Riddle Dr

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Assigned schools

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