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Single Family ResidenceResidential
$34,015$55 / 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 69How 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 $3,000 on Aug 20, 2021

507 HARMON ST

IRWIN, IA 51446
2
Beds
1
Baths
621 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.
0.14 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.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$34K
$23K low$45K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,000 · Aug 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$602 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$36,963 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,346
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,617
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,963
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$36,963

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.37
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
58
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

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
CountySHELBY
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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

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

E
Irwin Elementary School
Elementary · Grades PK–3 · 0.4 mi
H
Ikm-Manning High SchoolA-
High · Grades 9–12 · 11.1 mi
M
Ikm-Manning Middle SchoolA-
Middle · Grades 4–8 · 11.1 mi

District: Ikm-Manning Community School District

Neighborhood · ZIP 51446These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
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.90%
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.7.2%
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.347
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,402
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,986
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

507 Harmon 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 least valuable homes in Shelby County
  • Costs less per square foot than 97% of homes in Shelby County
  • Among the smallest homes in Shelby County
  • Has a smaller lot than 96% of homes in Irwin 51446
  • Older than 81% of homes in Shelby County

What homes are worth in Irwin 51446

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

This home
$25K$270K

This home is worth more than 4% of homes in Irwin 51446.

How it measures up in Irwin 51446

The dot is this home. The mark in the middle is the typical home in Irwin 51446.

Estimated value$34,015
CheaperTypical $102,983Pricier

Pricier than 4% of homes nearby

Price per ft²$55
CheaperTypical $75Pricier

Pricier than 21% of homes nearby

Living area621 ft²
SmallerTypical 1,392 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.14 ac
SmallerTypical 0.48 acBigger

Bigger than 4% of homes nearby

Year built1900
OlderTypical 1930Newer

Newer than 21% of homes nearby

How 507 Harmon St ranks against every home in each area.
MeasureThis homeIrwin 51446Shelby County
Estimated valuepricier than$34,0154% of homesalmost no homes
Price per ft²pricier than$5521% of homes3% of homes
Living areabigger than621 ft²2% of homesalmost no homes
Lot sizebigger than0.14 ac4% of homes11% of homes
Year builtnewer than190021% of homes19% of homes

About 507 Harmon St

How much is 507 Harmon St, Irwin, IA worth?

The TopHap Estimate for 507 Harmon St, Irwin, IA is $34,015 as of Sep 24, 2026. The likely range is $23,464 to $44,566. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 507 Harmon St, Irwin, IA last sell?

507 Harmon St, Irwin, IA last sold on Aug 20, 2021 for $3,000, according to the county's recorded deed.

How big is 507 Harmon St, Irwin, IA?

507 Harmon St, Irwin, IA has 2 bedrooms, 1 bathrooms, 621 square feet of living space and a 0.14-acre lot.

When was 507 Harmon St, Irwin, IA built?

507 Harmon St, Irwin, IA was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 507 Harmon St, Irwin, IA?

507 Harmon St, Irwin, IA is assigned to Irwin Elementary School (elementary); Ikm-Manning High School (high), rated A-; Ikm-Manning Middle School (middle), rated A-. All sit in Ikm-Manning Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 507 Harmon St, Irwin, IA compare to other homes in Irwin 51446?

Among the 279 homes in Irwin 51446, it is worth more than 4% of them ($34,015 against a typical $102,983), its price per square foot is higher than 21% of them ($55 against a typical $75), it is bigger than 2% of them (621 ft² against a typical 1,392 ft²), its lot is bigger than 4% of them (0.14 ac against a typical 0.48 ac) and it is newer than 21% of them (1900 against a typical 1930). Measured against all of Shelby County, it is worth more than almost no 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 507 Harmon St, Irwin, IA?

The 2026 property tax bill for 507 Harmon St, Irwin, IA was $602. The county assessed it at $36,963.

More homes on Harmon St

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