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Residential (General/Single)Residential
$698,238$584 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

421 RIVER ST

IOWA CITY, IA 52246
3
Beds
1 / 1
Baths
1,196 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$698K
$586K low$811K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,276 (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.$367,370 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$113,850
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$253,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$329,450
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$367,370

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyJOHNSON
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Gas
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
Lincoln Elementary SchoolA-
Elementary · Grades PK–6 · 0.4 mi
H
City High SchoolB+
High · Grades 9–12 · 2.1 mi
M
Southeast Junior High SchoolC+
Middle · Grades 7–8 · 2.8 mi

District: Iowa City Community School District

Neighborhood · ZIP 52246These 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.124
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 100.21

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
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.22,104
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,812
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,418
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

421 River 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 more than 94% of homes in Johnson County
  • Among the highest price per square foot in Manville Heights
  • Smaller than 86% of homes in Manville Heights
  • Has a smaller lot than 71% of homes in Manville Heights
  • Older than 85% of homes in Iowa City 52246

What homes are worth in Iowa City 52246

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

This home
$91K$906K

This home is worth more than 93% of homes in Iowa City 52246.

How it measures up in Iowa City 52246

The dot is this home. The mark in the middle is the typical home in Iowa City 52246.

Estimated value$698,238
CheaperTypical $340,457Pricier

Pricier than 93% of homes nearby

Price per ft²$584
CheaperTypical $242Pricier

Pricier than almost all homes nearby

Living area1,196 ft²
SmallerTypical 1,295 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.21 ac
SmallerTypical 0.23 acBigger

Bigger than 43% of homes nearby

Year built1961
OlderTypical 1989Newer

Newer than 15% of homes nearby

How 421 River St ranks against every home in each area.
MeasureThis homeManville HeightsIowa City 52246Johnson County
Estimated valuepricier than$698,23872% of homes93% of homes94% of homes
Price per ft²pricier than$584almost all homesalmost all homesalmost all homes
Living areabigger than1,196 ft²14% of homes42% of homes35% of homes
Lot sizebigger than0.21 ac29% of homes43% of homes36% of homes
Year builtnewer than196179% of homes15% of homes16% of homes

About 421 River St

How much is 421 River St, Iowa City, IA worth?

The TopHap Estimate for 421 River St, Iowa City, IA is $698,238 as of Jul 14, 2026. The likely range is $585,845 to $810,631. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 River St, Iowa City, IA last sell?

421 River St, Iowa City, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 River St, Iowa City, IA?

421 River St, Iowa City, IA has 3 bedrooms, 1 bathrooms, 1,196 square feet of living space and a 0.21-acre lot.

When was 421 River St, Iowa City, IA built?

421 River St, Iowa City, IA was built in 1961, making it 65 years old. The building has 1 story.

What schools serve 421 River St, Iowa City, IA?

421 River St, Iowa City, IA is assigned to Lincoln Elementary School (elementary), rated A-; City High School (high), rated B+; Southeast Junior High School (middle), rated C+. All sit in Iowa City Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 River St, Iowa City, IA compare to other homes in Iowa City 52246?

Among the 7,603 homes in Iowa City 52246, it is worth more than 93% of them ($698,238 against a typical $340,457), its price per square foot is higher than almost all of them ($584 against a typical $242), it is bigger than 42% of them (1,196 ft² against a typical 1,295 ft²), its lot is bigger than 43% of them (0.21 ac against a typical 0.23 ac) and it is newer than 15% of them (1961 against a typical 1989). Measured against all of Johnson County, it is worth more than 94% 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 421 River St, Iowa City, IA?

The 2025 property tax bill for 421 River St, Iowa City, IA was $6,276. The county assessed it at $367,370.

More homes on River St

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More homes in Iowa City 52246

Assigned schools

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