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Single Family ResidenceResidential
$27,982$25 / 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 82How 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 $13,000 on Oct 12, 2011

502 S ROBERTS AVE

GRAETTINGER, IA 51342
1
Baths
1,133 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$28K
$23K low$33K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$13,000 · Oct 12, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$236 (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.$27,040 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,930
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,110
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$27,040

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

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
CountyPALO ALTO
Lot (acres)The size of the land the home sits on, from county records.0.22
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.Concrete
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
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 · 96 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.

M
Graettinger-Terril Middle SchoolD
Middle · Grades 6–8 · 0.4 mi
H
Graettinger-Terril High SchoolD
High · Grades 9–12 · 0.4 mi
E
Graettinger-Terril Elementary School
Elementary · Grades PK–5 · 12.4 mi

District: Graettinger-Terril Community School District

Neighborhood · ZIP 51342These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.1,277
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,474
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,107
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

502 S Roberts Ave 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 Palo Alto County
  • Costs less per square foot than 98% of homes in Graettinger 51342
  • Smaller than 73% of homes in Palo Alto County
  • Has a smaller lot than 79% of homes in Graettinger 51342
  • Older than 67% of homes in Palo Alto County

What homes are worth in Graettinger 51342

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

This home
$27K$445K

This home is worth more than 3% of homes in Graettinger 51342.

How it measures up in Graettinger 51342

The dot is this home. The mark in the middle is the typical home in Graettinger 51342.

Estimated value$27,982
CheaperTypical $94,104Pricier

Pricier than 3% of homes nearby

Price per ft²$25
CheaperTypical $72Pricier

Pricier than 2% of homes nearby

Living area1,133 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.22 ac
SmallerTypical 0.31 acBigger

Bigger than 21% of homes nearby

Year built1915
OlderTypical 1936Newer

Newer than 39% of homes nearby

How 502 S Roberts Ave ranks against every home in each area.
MeasureThis homeGraettinger 51342Palo Alto County
Estimated valuepricier than$27,9823% of homesalmost no homes
Price per ft²pricier than$252% of homes2% of homes
Living areabigger than1,133 ft²29% of homes27% of homes
Lot sizebigger than0.22 ac21% of homes33% of homes
Year builtnewer than191539% of homes33% of homes

About 502 S Roberts Ave

How much is 502 S Roberts Ave, Graettinger, IA worth?

The TopHap Estimate for 502 S Roberts Ave, Graettinger, IA is $27,982 as of Sep 24, 2026. The likely range is $22,986 to $32,978. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 S Roberts Ave, Graettinger, IA last sell?

502 S Roberts Ave, Graettinger, IA last sold on Oct 12, 2011 for $13,000, according to the county's recorded deed.

How big is 502 S Roberts Ave, Graettinger, IA?

502 S Roberts Ave, Graettinger, IA has 1 bathrooms, 1,133 square feet of living space and a 0.22-acre lot.

When was 502 S Roberts Ave, Graettinger, IA built?

502 S Roberts Ave, Graettinger, IA was built in 1915, making it 111 years old. The building has 1 story.

What schools serve 502 S Roberts Ave, Graettinger, IA?

502 S Roberts Ave, Graettinger, IA is assigned to Graettinger-Terril Middle School (middle), rated D; Graettinger-Terril High School (high), rated D; Graettinger-Terril Elementary School (elementary). All sit in Graettinger-Terril Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 S Roberts Ave, Graettinger, IA compare to other homes in Graettinger 51342?

Among the 539 homes in Graettinger 51342, it is worth more than 3% of them ($27,982 against a typical $94,104), its price per square foot is higher than 2% of them ($25 against a typical $72), it is bigger than 29% of them (1,133 ft² against a typical 1,344 ft²), its lot is bigger than 21% of them (0.22 ac against a typical 0.31 ac) and it is newer than 39% of them (1915 against a typical 1936). Measured against all of Palo Alto 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 502 S Roberts Ave, Graettinger, IA?

The 2026 property tax bill for 502 S Roberts Ave, Graettinger, IA was $236. The county assessed it at $27,040.

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