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Single Family ResidenceResidential
$110,283$96 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

421 S ALTONA ST

HOLSTEIN, IA 51025
2
Beds
1
Baths
1,152 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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

$110K
$94K low$126K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,234 (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.$89,040 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,290
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$85,470
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$89,040

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
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.
44
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyIda
Lot (acres)The size of the land the home sits on, from county records.0.52
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.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 228 ft²Porch · 230 ft²

Transaction History(2)

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
Holstein Elementary SchoolC
Elementary · Grades PK–2 · 0.3 mi
H
Ridge View High SchoolD+
High · Grades 9–12 · 0.3 mi
M
Ridge View Middle SchoolB
Middle · Grades 6–8 · 19.8 mi

District: Schaller-Crestland Community School District

Neighborhood · ZIP 51025These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.21%
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.0.8%
PopulationHow many people live in this area.1,982
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.19 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,860
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,916
Average tempThe average temperature here across a full year.47°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

421 S Altona 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.

  • Costs more per square foot than 71% of homes in Ida County
  • Smaller than 81% of homes in Holstein 51025
  • Has a smaller lot than 67% of homes in Holstein 51025
  • Older than 76% of homes in Holstein 51025

What homes are worth in Holstein 51025

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

This home
$40K$402K

This home is worth more than 38% of homes in Holstein 51025.

How it measures up in Holstein 51025

The dot is this home. The mark in the middle is the typical home in Holstein 51025.

Estimated value$110,283
CheaperTypical $132,055Pricier

Pricier than 38% of homes nearby

Price per ft²$96
CheaperTypical $80Pricier

Pricier than 62% of homes nearby

Living area1,152 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.52 ac
SmallerTypical 0.61 acBigger

Bigger than 33% of homes nearby

Year built1900
OlderTypical 1925Newer

Newer than 24% of homes nearby

How 421 S Altona St ranks against every home in each area.
MeasureThis homeHolstein 51025Ida County
Estimated valuepricier than$110,28338% of homes50% of homes
Price per ft²pricier than$9662% of homes71% of homes
Living areabigger than1,152 ft²19% of homes22% of homes
Lot sizebigger than0.52 ac33% of homes39% of homes
Year builtnewer than190024% of homes29% of homes

About 421 S Altona St

How much is 421 S Altona St, Holstein, IA worth?

The TopHap Estimate for 421 S Altona St, Holstein, IA is $110,283 as of Oct 21, 2026. The likely range is $94,277 to $126,289. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 S Altona St, Holstein, IA last sell?

421 S Altona St, Holstein, IA last sold on Jul 12, 2019, according to the county's recorded deed.

How big is 421 S Altona St, Holstein, IA?

421 S Altona St, Holstein, IA has 2 bedrooms, 1 bathrooms, 1,152 square feet of living space and a 0.52-acre lot.

When was 421 S Altona St, Holstein, IA built?

421 S Altona St, Holstein, IA was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 421 S Altona St, Holstein, IA?

421 S Altona St, Holstein, IA is assigned to Holstein Elementary School (elementary), rated C; Ridge View High School (high), rated D+; Ridge View Middle School (middle), rated B. All sit in Schaller-Crestland Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S Altona St, Holstein, IA compare to other homes in Holstein 51025?

Among the 878 homes in Holstein 51025, it is worth more than 38% of them ($110,283 against a typical $132,055), its price per square foot is higher than 62% of them ($96 against a typical $80), it is bigger than 19% of them (1,152 ft² against a typical 1,600 ft²), its lot is bigger than 33% of them (0.52 ac against a typical 0.61 ac) and it is newer than 24% of them (1900 against a typical 1925). Measured against all of Ida County, it is worth more than 50% 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 421 S Altona St, Holstein, IA?

The 2024 property tax bill for 421 S Altona St, Holstein, IA was $1,234. The county assessed it at $89,040.

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