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Mini-Warehouse, StorageIndustrial
Last sold for $250,500 on Apr 29, 2026

505 MINNESOTA ST

ALTON, IA 51003
0
Baths
3,360 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.
2.69 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,500 · Apr 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,048 (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.$427,160 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$398,560
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$334,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$427,160

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.71 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mini-Warehouse, Storage
CountySIOUX
Lot (acres)The size of the land the home sits on, from county records.2.69
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.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Moc-Floyd Valley Middle SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Moc-Floyd Valley Elementary SchoolA+
Elementary · Grades PK–5 · 1.2 mi
H
Moc-Floyd Valley High SchoolA
High · Grades 9–12 · 2.0 mi

District: Moc-Floyd Valley Community School District

Neighborhood · ZIP 51003These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
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.2,164
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,017
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,952
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.28 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

505 Minnesota 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.

  • Among the largest homes in Alton 51003
  • Has a bigger lot than 81% of homes in Sioux County
  • Newer than 81% of homes in Alton 51003

How it measures up in Alton 51003

The dot is this home. The mark in the middle is the typical home in Alton 51003.

Living area3,360 ft²
SmallerTypical 1,627 ft²Bigger

Bigger than almost all homes nearby

Lot size2.69 ac
SmallerTypical 0.4 acBigger

Bigger than 78% of homes nearby

Year built2003
OlderTypical 1956Newer

Newer than 81% of homes nearby

How 505 Minnesota St ranks against every home in each area.
MeasureThis homeAlton 51003Sioux County
Living areabigger than3,360 ft²almost all homes98% of homes
Lot sizebigger than2.69 ac78% of homes81% of homes
Year builtnewer than200381% of homes81% of homes

About 505 Minnesota St

When did 505 Minnesota St, Alton, IA last sell?

505 Minnesota St, Alton, IA last sold on Apr 29, 2026 for $250,500, according to the county's recorded deed.

How big is 505 Minnesota St, Alton, IA?

505 Minnesota St, Alton, IA has 3,360 square feet of living space and a 2.69-acre lot.

When was 505 Minnesota St, Alton, IA built?

505 Minnesota St, Alton, IA was built in 2003, making it 23 years old. The building has 1 story.

What schools serve 505 Minnesota St, Alton, IA?

505 Minnesota St, Alton, IA is assigned to Moc-Floyd Valley Middle School (middle), rated A+; Moc-Floyd Valley Elementary School (elementary), rated A+; Moc-Floyd Valley High School (high), rated A. All sit in Moc-Floyd Valley Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 505 Minnesota St, Alton, IA compare to other homes in Alton 51003?

Among the 670 homes in Alton 51003, it is bigger than almost all of them (3,360 ft² against a typical 1,627 ft²), its lot is bigger than 78% of them (2.69 ac against a typical 0.4 ac) and it is newer than 81% of them (2003 against a typical 1956). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 505 Minnesota St, Alton, IA?

The 2025 property tax bill for 505 Minnesota St, Alton, IA was $10,048. The county assessed it at $427,160.

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Assigned schools

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