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Rural ResidenceResidential
$386,493$238 / 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 71How 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 $140,000 on Oct 1, 2015

3907 40TH AVE

ARMSTRONG, IA 50514
1
Baths
1,624 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$386K
$276K low$497K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$140,000 · Oct 1, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,730 (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.$13,710 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,740
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,688
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$13,710

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.28
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.5.00
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.Wet barPorch · 24 ft²

Transaction History(1)

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.

M
North Union Middle SchoolB
Middle · Grades 6–8 · 4.9 mi
H
North Union High SchoolA-
High · Grades 9–12 · 6.4 mi
E
North Union Elementary SchoolA
Elementary · Grades PK–5 · 8.7 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%

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

3907 40th 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.

  • Worth more than 94% of homes in Armstrong 50514
  • Costs more per square foot than 95% of homes in Armstrong 50514
  • Has a bigger lot than 80% of homes in Armstrong 50514
  • Newer than 83% of homes in Armstrong 50514

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
$44K$676K

This home is worth more than 94% 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$386,493
CheaperTypical $132,119Pricier

Pricier than 94% of homes nearby

Price per ft²$238
CheaperTypical $90Pricier

Pricier than 95% of homes nearby

Living area1,624 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 62% of homes nearby

Lot size5 ac
SmallerTypical 0.32 acBigger

Bigger than 80% of homes nearby

Year built1979
OlderTypical 1948Newer

Newer than 83% of homes nearby

How 3907 40th Ave ranks against every home in each area.
MeasureThis homeArmstrong 50514Kossuth County
Estimated valuepricier than$386,49394% of homes94% of homes
Price per ft²pricier than$23895% of homes95% of homes
Living areabigger than1,624 ft²62% of homes63% of homes
Lot sizebigger than5 ac80% of homes80% of homes
Year builtnewer than197983% of homes82% of homes

About 3907 40th Ave

How much is 3907 40th Ave, Armstrong, IA worth?

The TopHap Estimate for 3907 40th Ave, Armstrong, IA is $386,493 as of Sep 24, 2026. The likely range is $276,296 to $496,690. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3907 40th Ave, Armstrong, IA last sell?

3907 40th Ave, Armstrong, IA last sold on Oct 1, 2015 for $140,000, according to the county's recorded deed.

How big is 3907 40th Ave, Armstrong, IA?

3907 40th Ave, Armstrong, IA has 1 bathrooms, 1,624 square feet of living space and a 5.00-acre lot.

When was 3907 40th Ave, Armstrong, IA built?

3907 40th Ave, Armstrong, IA was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 3907 40th Ave, Armstrong, IA?

3907 40th Ave, Armstrong, IA is assigned to North Union Middle School (middle), rated B; North Union High School (high), rated A-; North Union Elementary School (elementary), rated A. All sit in North Kossuth Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3907 40th Ave, Armstrong, IA compare to other homes in Armstrong 50514?

Among the 655 homes in Armstrong 50514, it is worth more than 94% of them ($386,493 against a typical $132,119), its price per square foot is higher than 95% of them ($238 against a typical $90), it is bigger than 62% of them (1,624 ft² against a typical 1,456 ft²), its lot is bigger than 80% of them (5 ac against a typical 0.32 ac) and it is newer than 83% of them (1979 against a typical 1948). Measured against all of Kossuth County, it is worth more than 94% 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 3907 40th Ave, Armstrong, IA?

The 2025 property tax bill for 3907 40th Ave, Armstrong, IA was $1,730. The county assessed it at $13,710.

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