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Single Family ResidentialResidential
$446,162$205 / 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 95How 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 $385,000 on Jul 1, 2022

4123 GUSTAV ST

IOWA CITY, IA 52245
4
Beds
1
Baths
2,176 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.
2006
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$446K
$424K low$468K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$385,000 · Jul 1, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,734 (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.$394,920 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$330,150
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$363,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$394,920

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyJOHNSON
Lot (acres)The size of the land the home sits on, from county records.0.18
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.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

Transaction History(2)

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
Hoover Elementary SchoolC
Elementary · Grades PK–6 · 1.0 mi
M
Southeast Junior High SchoolD
Middle · Grades 7–8 · 1.6 mi
H
City High SchoolC-
High · Grades 9–12 · 1.6 mi

District: Iowa City Community School District

Neighborhood · ZIP 52245These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.22,373
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,976
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

4123 Gustav 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 80% of homes in Iowa City 52245
  • Costs less per square foot than 65% of homes in Johnson County
  • Bigger than 87% of homes in Iowa City 52245
  • Has a smaller lot than 72% of homes in Johnson County
  • Newer than 82% of homes in Iowa City 52245

What homes are worth in Iowa City 52245

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

This home
$152K$783K

This home is worth more than 80% of homes in Iowa City 52245.

How it measures up in Iowa City 52245

The dot is this home. The mark in the middle is the typical home in Iowa City 52245.

Estimated value$446,162
CheaperTypical $312,158Pricier

Pricier than 80% of homes nearby

Price per ft²$205
CheaperTypical $220Pricier

Pricier than 39% of homes nearby

Living area2,176 ft²
SmallerTypical 1,427 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.18 ac
SmallerTypical 0.2 acBigger

Bigger than 40% of homes nearby

Year built2006
OlderTypical 1978Newer

Newer than 82% of homes nearby

How 4123 Gustav St ranks against every home in each area.
MeasureThis homeIowa City 52245Johnson County
Estimated valuepricier than$446,16280% of homes73% of homes
Price per ft²pricier than$20539% of homes35% of homes
Living areabigger than2,176 ft²87% of homes87% of homes
Lot sizebigger than0.18 ac40% of homes28% of homes
Year builtnewer than200682% of homes70% of homes

About 4123 Gustav St

How much is 4123 Gustav St, Iowa City, IA worth?

The TopHap Estimate for 4123 Gustav St, Iowa City, IA is $446,162 as of Sep 24, 2026. The likely range is $424,390 to $467,934. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4123 Gustav St, Iowa City, IA last sell?

4123 Gustav St, Iowa City, IA last sold on Jul 1, 2022 for $385,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4123 Gustav St, Iowa City, IA?

4123 Gustav St, Iowa City, IA has 4 bedrooms, 1 bathrooms, 2,176 square feet of living space and a 0.18-acre lot.

When was 4123 Gustav St, Iowa City, IA built?

4123 Gustav St, Iowa City, IA was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 4123 Gustav St, Iowa City, IA?

4123 Gustav St, Iowa City, IA is assigned to Hoover Elementary School (elementary), rated C; Southeast Junior High School (middle), rated D; City High School (high), rated C-. All sit in Iowa City Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4123 Gustav St, Iowa City, IA compare to other homes in Iowa City 52245?

Among the 8,459 homes in Iowa City 52245, it is worth more than 80% of them ($446,162 against a typical $312,158), its price per square foot is higher than 39% of them ($205 against a typical $220), it is bigger than 87% of them (2,176 ft² against a typical 1,427 ft²), its lot is bigger than 40% of them (0.18 ac against a typical 0.2 ac) and it is newer than 82% of them (2006 against a typical 1978). Measured against all of Johnson County, it is worth more than 73% 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 4123 Gustav St, Iowa City, IA?

The 2025 property tax bill for 4123 Gustav St, Iowa City, IA was $6,734. The county assessed it at $394,920.

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