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Single Family ResidenceResidential
$82,339$78 / 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 77How 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
Last sold for $5,000 on Aug 3, 2026

401 SUMMIT ST

THORNBURG, IA 50255
4
Beds
2
Baths
1,058 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$82K
$63K low$101K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$5,000 · Aug 3, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$414 (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.$36,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,570
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,990
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$36,550

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.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
70
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
6
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
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyKEOKUK
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Yes
CoolingThe type of cooling or air conditioning in the home.None
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.Deck · 88 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.

E
Tri-County Elementary SchoolC
Elementary · Grades PK–6 · 0.3 mi
M
Tri-County Jr/Sr High SchoolC+
Middle · Grades 7–12 · 0.3 mi

District: Tri-County Community School District

Neighborhood · ZIP 50255These 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.107
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 100.20

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.5.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.0
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,464
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,393
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

401 Summit 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 67% of homes in Keokuk County
  • Smaller than 81% of homes in Keokuk County
  • Has a smaller lot than 70% of homes in Keokuk County
  • Older than 78% of homes in Keokuk County

What homes are worth in Keokuk County

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

This home
$57K$239K

This home is worth more than 50% of homes in Keokuk County.

How it measures up in Keokuk County

The dot is this home. The mark in the middle is the typical home in Keokuk County.

Estimated value$82,339
CheaperTypical $107,527Pricier

Pricier than 33% of homes nearby

Price per ft²$78
CheaperTypical $79Pricier

Pricier than 49% of homes nearby

Living area1,058 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.3 ac
SmallerTypical 0.56 acBigger

Bigger than 30% of homes nearby

Year built1890
OlderTypical 1924Newer

Newer than 22% of homes nearby

How 401 Summit St ranks against every home in each area.
MeasureThis homeKeokuk County
Estimated valuepricier than$82,33933% of homes
Price per ft²pricier than$7849% of homes
Living areabigger than1,058 ft²19% of homes
Lot sizebigger than0.3 ac30% of homes
Year builtnewer than189022% of homes

About 401 Summit St

How much is 401 Summit St, Thornburg, IA worth?

The TopHap Estimate for 401 Summit St, Thornburg, IA is $82,339 as of Aug 30, 2026. The likely range is $63,487 to $101,191. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 Summit St, Thornburg, IA last sell?

401 Summit St, Thornburg, IA last sold on Aug 3, 2026 for $5,000, according to the county's recorded deed.

How big is 401 Summit St, Thornburg, IA?

401 Summit St, Thornburg, IA has 4 bedrooms, 2 bathrooms, 1,058 square feet of living space and a 0.30-acre lot.

When was 401 Summit St, Thornburg, IA built?

401 Summit St, Thornburg, IA was built in 1890, making it 136 years old. It is a a-frame home. The building has 1 story.

What schools serve 401 Summit St, Thornburg, IA?

401 Summit St, Thornburg, IA is assigned to Tri-County Elementary School (elementary), rated C; Tri-County Jr/Sr High School (middle), rated C+. All sit in Tri-County Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 Summit St, Thornburg, IA compare to other homes in Keokuk County?

Among the 4,921 homes in Keokuk County, it is worth more than 33% of them ($82,339 against a typical $107,527), its price per square foot is higher than 49% of them ($78 against a typical $79), it is bigger than 19% of them (1,058 ft² against a typical 1,456 ft²), its lot is bigger than 30% of them (0.3 ac against a typical 0.56 ac) and it is newer than 22% of them (1890 against a typical 1924). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 401 Summit St, Thornburg, IA?

The 2025 property tax bill for 401 Summit St, Thornburg, IA was $414. The county assessed it at $36,550.

More homes on Summit St

Closest homes

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Assigned schools

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