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Single Family ResidenceResidential
$246,169$229 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $170,000 on May 9, 2018

511 IRIS AVE

TIFFIN, IA 52340
2
Beds
2
Baths
1,076 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
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

$246K
$226K low$266K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$170,000 · May 9, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,142 (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.$220,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$147,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$177,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,100

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.Conventional
CountyJOHNSON
Lot (acres)The size of the land the home sits on, from county records.0.18
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.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.Patio · 192 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.

M
Clear Creek Amana Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
E
Tiffin Elementary SchoolC
Elementary · Grades PK–1 · 0.8 mi
H
Clear Creek Amana High SchoolB
High · Grades 9–12 · 0.8 mi

District: Clear Creek-Amana Community School District

Neighborhood · ZIP 52340These 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.71
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 100.19

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.4,618
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.265 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,695
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,645
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.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

511 Iris 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.

  • Worth less than 83% of homes in Tiffin 52340
  • Smaller than 86% of homes in Tiffin 52340
  • Has a smaller lot than 72% of homes in Tiffin 52340
  • Older than 88% of homes in Tiffin 52340

What homes are worth in Tiffin 52340

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

This home
$132K$867K

This home is worth more than 17% of homes in Tiffin 52340.

How it measures up in Tiffin 52340

The dot is this home. The mark in the middle is the typical home in Tiffin 52340.

Estimated value$246,169
CheaperTypical $393,805Pricier

Pricier than 17% of homes nearby

Price per ft²$229
CheaperTypical $270Pricier

Pricier than 36% of homes nearby

Living area1,076 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.18 ac
SmallerTypical 0.29 acBigger

Bigger than 28% of homes nearby

Year built1997
OlderTypical 2016Newer

Newer than 12% of homes nearby

How 511 Iris Ave ranks against every home in each area.
MeasureThis homeTiffin 52340Johnson County
Estimated valuepricier than$246,16917% of homes30% of homes
Price per ft²pricier than$22936% of homes46% of homes
Living areabigger than1,076 ft²14% of homes28% of homes
Lot sizebigger than0.18 ac28% of homes29% of homes
Year builtnewer than199712% of homes51% of homes

About 511 Iris Ave

How much is 511 Iris Ave, Tiffin, IA worth?

The TopHap Estimate for 511 Iris Ave, Tiffin, IA is $246,169 as of Oct 21, 2026. The likely range is $226,301 to $266,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 Iris Ave, Tiffin, IA last sell?

511 Iris Ave, Tiffin, IA last sold on May 9, 2018 for $170,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 511 Iris Ave, Tiffin, IA?

511 Iris Ave, Tiffin, IA has 2 bedrooms, 2 bathrooms, 1,076 square feet of living space and a 0.18-acre lot.

When was 511 Iris Ave, Tiffin, IA built?

511 Iris Ave, Tiffin, IA was built in 1997, making it 29 years old. It is a conventional home. The building has 1 story.

What schools serve 511 Iris Ave, Tiffin, IA?

511 Iris Ave, Tiffin, IA is assigned to Clear Creek Amana Middle School (middle), rated B; Tiffin Elementary School (elementary), rated C; Clear Creek Amana High School (high), rated B. All sit in Clear Creek-Amana Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 Iris Ave, Tiffin, IA compare to other homes in Tiffin 52340?

Among the 2,672 homes in Tiffin 52340, it is worth more than 17% of them ($246,169 against a typical $393,805), its price per square foot is higher than 36% of them ($229 against a typical $270), it is bigger than 14% of them (1,076 ft² against a typical 1,539 ft²), its lot is bigger than 28% of them (0.18 ac against a typical 0.29 ac) and it is newer than 12% of them (1997 against a typical 2016). Measured against all of Johnson County, it is worth more than 30% 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 511 Iris Ave, Tiffin, IA?

The 2025 property tax bill for 511 Iris Ave, Tiffin, IA was $3,142. The county assessed it at $220,100.

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