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Single Family ResidenceResidential
$137,603$111 / 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 Aug 30, 2026

1015 20TH ST

SIOUX CITY, IA 51104
3
Beds
1.5
Baths
1,238 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.
2,200 ft²
Lot SizeThe size of the land the home sits on, from county records.
1924
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$138K
$117K low$158K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,978 (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.$122,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$94,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$122,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWOODBURY
Lot (acres)The size of the land the home sits on, from county records.0.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Porch · 182 ft²

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

E
Hunt A+ Arts Elementary SchoolC+
Elementary · Grades PK–5 · 1.3 mi
H
North High SchoolC-
High · Grades 9–12 · 2.2 mi
M
North Middle SchoolC
Middle · Grades 6–8 · 2.4 mi

District: Sioux City Community School District

Neighborhood · ZIP 51104These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
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.21,798
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,849 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,162
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,792
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

1015 20th 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 less than 83% of homes in Sioux City 51104
  • Costs less per square foot than 83% of homes in Sioux City 51104
  • Among the smallest lots in Sioux City 51104
  • Older than 73% of homes in Sioux City 51104

What homes are worth in Sioux City 51104

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

This home
$72K$527K

This home is worth more than 17% of homes in Sioux City 51104.

How it measures up in Sioux City 51104

The dot is this home. The mark in the middle is the typical home in Sioux City 51104.

Estimated value$137,603
CheaperTypical $229,205Pricier

Pricier than 17% of homes nearby

Price per ft²$111
CheaperTypical $166Pricier

Pricier than 17% of homes nearby

Living area1,238 ft²
SmallerTypical 1,392 ft²Bigger

Bigger than 38% of homes nearby

Lot size2,200 ft²
SmallerTypical 0.18 acBigger

Smaller than almost all homes nearby

Year built1924
OlderTypical 1950Newer

Newer than 27% of homes nearby

How 1015 20th St ranks against every home in each area.
MeasureThis homeSioux City 51104Woodbury County
Estimated valuepricier than$137,60317% of homes27% of homes
Price per ft²pricier than$11117% of homes21% of homes
Living areabigger than1,238 ft²38% of homes46% of homes
Lot sizebigger than2,200 ft²almost no homesalmost no homes
Year builtnewer than192427% of homes33% of homes

About 1015 20th St

How much is 1015 20th St, Sioux City, IA worth?

The TopHap Estimate for 1015 20th St, Sioux City, IA is $137,603 as of Aug 30, 2026. The likely range is $117,039 to $158,167. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1015 20th St, Sioux City, IA last sell?

1015 20th St, Sioux City, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1015 20th St, Sioux City, IA?

1015 20th St, Sioux City, IA has 3 bedrooms, 1.5 bathrooms, 1,238 square feet of living space and a 0.05-acre lot.

When was 1015 20th St, Sioux City, IA built?

1015 20th St, Sioux City, IA was built in 1924, making it 102 years old. The building has 1 story.

What schools serve 1015 20th St, Sioux City, IA?

1015 20th St, Sioux City, IA is assigned to Hunt A+ Arts Elementary School (elementary), rated C+; North High School (high), rated C-; North Middle School (middle), rated C. All sit in Sioux City Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1015 20th St, Sioux City, IA compare to other homes in Sioux City 51104?

Among the 7,027 homes in Sioux City 51104, it is worth more than 17% of them ($137,603 against a typical $229,205), its price per square foot is higher than 17% of them ($111 against a typical $166), it is bigger than 38% of them (1,238 ft² against a typical 1,392 ft²), its lot is bigger than almost none of them (2,200 ft² against a typical 0.18 ac) and it is newer than 27% of them (1924 against a typical 1950). Measured against all of Woodbury County, it is worth more than 27% 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 1015 20th St, Sioux City, IA?

The 2025 property tax bill for 1015 20th St, Sioux City, IA was $1,978. The county assessed it at $122,000.

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