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Single Family ResidenceResidential
$201,395$108 / 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 77How 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

3121 280TH ST

THOR, IA 50591
5
Beds
1
Baths
1,864 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.
4.08 ac
Lot SizeThe size of the land the home sits on, from county records.
1903
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$201K
$154K low$249K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$888 (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.$77,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,180
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,440
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$77,220

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.7 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
CountyHUMBOLDT
Lot (acres)The size of the land the home sits on, from county records.4.08
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.Deck · 160 ft²Porch · 192 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Robert Blue SchoolC
Middle · Grades 5–8 · 5.9 mi
E
Eagle Grove Elementary SchoolD
Elementary · Grades PK–4 · 5.9 mi
H
Eagle Grove High SchoolD-
High · Grades 9–12 · 6.3 mi

District: Eagle Grove Community School District

Neighborhood · ZIP 50591These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.255
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,968
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,070
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

3121 280th 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 77% of homes in Humboldt County
  • Bigger than 76% of homes in Humboldt County
  • Has a bigger lot than 86% of homes in Humboldt County
  • Older than 83% of homes in Humboldt County

What homes are worth in Thor 50591

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

This home
$28K$382K

This home is worth more than 68% of homes in Thor 50591.

How it measures up in Thor 50591

The dot is this home. The mark in the middle is the typical home in Thor 50591.

Estimated value$201,395
CheaperTypical $167,004Pricier

Pricier than 68% of homes nearby

Price per ft²$108
CheaperTypical $110Pricier

Pricier than 46% of homes nearby

Living area1,864 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 74% of homes nearby

Lot size4.08 ac
SmallerTypical 0.48 acBigger

Bigger than 75% of homes nearby

Year built1903
OlderTypical 1920Newer

Newer than 25% of homes nearby

How 3121 280th St ranks against every home in each area.
MeasureThis homeThor 50591Humboldt County
Estimated valuepricier than$201,39568% of homes77% of homes
Price per ft²pricier than$10846% of homes56% of homes
Living areabigger than1,864 ft²74% of homes76% of homes
Lot sizebigger than4.08 ac75% of homes86% of homes
Year builtnewer than190325% of homes17% of homes

About 3121 280th St

How much is 3121 280th St, Thor, IA worth?

The TopHap Estimate for 3121 280th St, Thor, IA is $201,395 as of Sep 24, 2026. The likely range is $154,203 to $248,587. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 280th St, Thor, IA last sell?

3121 280th St, Thor, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3121 280th St, Thor, IA?

3121 280th St, Thor, IA has 5 bedrooms, 1 bathrooms, 1,864 square feet of living space and a 4.08-acre lot.

When was 3121 280th St, Thor, IA built?

3121 280th St, Thor, IA was built in 1903, making it 123 years old. The building has 2 stories.

What schools serve 3121 280th St, Thor, IA?

3121 280th St, Thor, IA is assigned to Robert Blue School (middle), rated C; Eagle Grove Elementary School (elementary), rated D; Eagle Grove High School (high), rated D-. All sit in Eagle Grove Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 280th St, Thor, IA compare to other homes in Thor 50591?

Among the 171 homes in Thor 50591, it is worth more than 68% of them ($201,395 against a typical $167,004), its price per square foot is higher than 46% of them ($108 against a typical $110), it is bigger than 74% of them (1,864 ft² against a typical 1,456 ft²), its lot is bigger than 75% of them (4.08 ac against a typical 0.48 ac) and it is newer than 25% of them (1903 against a typical 1920). Measured against all of Humboldt County, it is worth more than 77% 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 3121 280th St, Thor, IA?

The 2025 property tax bill for 3121 280th St, Thor, IA was $888. The county assessed it at $77,220.

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