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Rural ResidenceResidential
$170,128$107 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

307 420TH ST

ARMSTRONG, IA 50514
1
Baths
1,591 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.
4.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1904
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$170K
$138K low$202K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,272 (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.$9,122 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,122
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$6,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$9,122

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.33
32
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
48
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
11
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.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.Rural Residence
CountyKOSSUTH
Lot (acres)The size of the land the home sits on, from county records.4.48
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.Asphalt
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.Mixed
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.Patio · 480 ft²

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

M
North Union Middle SchoolB
Middle · Grades 6–8 · 4.2 mi
E
North Kossuth Elementary SchoolB
Elementary · Grades PK–5 · 4.2 mi
H
North Union High SchoolA-
High · Grades 9–12 · 4.7 mi

District: North Kossuth Community School District

Neighborhood · ZIP 50514These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.1,435
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,921
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,449
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

307 420th 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 67% of homes in Armstrong 50514
  • Has a bigger lot than 77% of homes in Kossuth County
  • Older than 83% of homes in Kossuth County

What homes are worth in Armstrong 50514

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

This home
$42K$675K

This home is worth more than 67% of homes in Armstrong 50514.

How it measures up in Armstrong 50514

The dot is this home. The mark in the middle is the typical home in Armstrong 50514.

Estimated value$170,128
CheaperTypical $124,566Pricier

Pricier than 67% of homes nearby

Price per ft²$107
CheaperTypical $88Pricier

Pricier than 63% of homes nearby

Living area1,591 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 61% of homes nearby

Lot size4.48 ac
SmallerTypical 0.32 acBigger

Bigger than 76% of homes nearby

Year built1904
OlderTypical 1948Newer

Newer than 19% of homes nearby

How 307 420th St ranks against every home in each area.
MeasureThis homeArmstrong 50514Kossuth County
Estimated valuepricier than$170,12867% of homes66% of homes
Price per ft²pricier than$10763% of homes62% of homes
Living areabigger than1,591 ft²61% of homes60% of homes
Lot sizebigger than4.48 ac76% of homes77% of homes
Year builtnewer than190419% of homes17% of homes

About 307 420th St

How much is 307 420th St, Armstrong, IA worth?

The TopHap Estimate for 307 420th St, Armstrong, IA is $170,128 as of Aug 30, 2026. The likely range is $138,287 to $201,969. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 420th St, Armstrong, IA last sell?

307 420th St, Armstrong, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 307 420th St, Armstrong, IA?

307 420th St, Armstrong, IA has 1 bathrooms, 1,591 square feet of living space and a 4.48-acre lot.

When was 307 420th St, Armstrong, IA built?

307 420th St, Armstrong, IA was built in 1904, making it 122 years old. The building has 1 story.

What schools serve 307 420th St, Armstrong, IA?

307 420th St, Armstrong, IA is assigned to North Union Middle School (middle), rated B; North Kossuth Elementary School (elementary), rated B; North Union High School (high), rated A-. All sit in North Kossuth Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 420th St, Armstrong, IA compare to other homes in Armstrong 50514?

Among the 655 homes in Armstrong 50514, it is worth more than 67% of them ($170,128 against a typical $124,566), its price per square foot is higher than 63% of them ($107 against a typical $88), it is bigger than 61% of them (1,591 ft² against a typical 1,456 ft²), its lot is bigger than 76% of them (4.48 ac against a typical 0.32 ac) and it is newer than 19% of them (1904 against a typical 1948). Measured against all of Kossuth County, it is worth more than 66% 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 307 420th St, Armstrong, IA?

The 2025 property tax bill for 307 420th St, Armstrong, IA was $1,272. The county assessed it at $9,122.

More homes on 420th St

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Assigned schools

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