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Single Family ResidenceResidential
$133,003$142 / 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 89How 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 $137,000 on Jun 17, 2025

21 W 11TH ST

SPENCER, IA 51301
3
Beds
1
Baths
936 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
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

$133K
$119K low$147K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$137,000 · Jun 17, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,102 (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.$148,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$123,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$137,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCLAY
Lot (acres)The size of the land the home sits on, from county records.0.15
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.Composition Shingle
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.Garage, Detached
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 · 176 ft²

Transaction History(3)

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
Fairview Park Elementary School
Elementary · Grades 1–2 · 0.5 mi
H
Spencer High SchoolB+
High · Grades 9–12 · 0.9 mi
M
Spencer Middle SchoolA
Middle · Grades 7–8 · 0.9 mi

District: Spencer Community School District

Neighborhood · ZIP 51301These 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.103
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 100.15

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.91%
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.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.12,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.80 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,070
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

21 W 11th 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 68% of homes in Spencer 51301
  • Costs more per square foot than 65% of homes in Clay County
  • Smaller than 85% of homes in Clay County
  • Has a smaller lot than 90% of homes in Clay County
  • Older than 76% of homes in Spencer 51301

What homes are worth in Spencer 51301

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

This home
$53K$521K

This home is worth more than 32% of homes in Spencer 51301.

How it measures up in Spencer 51301

The dot is this home. The mark in the middle is the typical home in Spencer 51301.

Estimated value$133,003
CheaperTypical $171,486Pricier

Pricier than 32% of homes nearby

Price per ft²$142
CheaperTypical $133Pricier

Pricier than 57% of homes nearby

Living area936 ft²
SmallerTypical 1,358 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.15 ac
SmallerTypical 0.23 acBigger

Bigger than 12% of homes nearby

Year built1920
OlderTypical 1958Newer

Newer than 24% of homes nearby

How 21 W 11th St ranks against every home in each area.
MeasureThis homeSpencer 51301Clay County
Estimated valuepricier than$133,00332% of homes39% of homes
Price per ft²pricier than$14257% of homes65% of homes
Living areabigger than936 ft²17% of homes15% of homes
Lot sizebigger than0.15 ac12% of homes10% of homes
Year builtnewer than192024% of homes29% of homes

About 21 W 11th St

How much is 21 W 11th St, Spencer, IA worth?

The TopHap Estimate for 21 W 11th St, Spencer, IA is $133,003 as of Sep 24, 2026. The likely range is $118,521 to $147,485. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 W 11th St, Spencer, IA last sell?

21 W 11th St, Spencer, IA last sold on Jun 17, 2025 for $137,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 W 11th St, Spencer, IA?

21 W 11th St, Spencer, IA has 3 bedrooms, 1 bathrooms, 936 square feet of living space and a 0.15-acre lot.

When was 21 W 11th St, Spencer, IA built?

21 W 11th St, Spencer, IA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 21 W 11th St, Spencer, IA?

21 W 11th St, Spencer, IA is assigned to Fairview Park Elementary School (elementary); Spencer High School (high), rated B+; Spencer Middle School (middle), rated A. All sit in Spencer Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 W 11th St, Spencer, IA compare to other homes in Spencer 51301?

Among the 5,011 homes in Spencer 51301, it is worth more than 32% of them ($133,003 against a typical $171,486), its price per square foot is higher than 57% of them ($142 against a typical $133), it is bigger than 17% of them (936 ft² against a typical 1,358 ft²), its lot is bigger than 12% of them (0.15 ac against a typical 0.23 ac) and it is newer than 24% of them (1920 against a typical 1958). Measured against all of Clay County, it is worth more than 39% 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 21 W 11th St, Spencer, IA?

The 2025 property tax bill for 21 W 11th St, Spencer, IA was $2,102. The county assessed it at $148,100.

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