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Single Family ResidenceResidential
$178,028$142 / 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 Aug 30, 2026
Last sold for $157,000 on May 8, 2023

321 PROSPECT AVE

WATERLOO, IA 50703
3
Beds
3 / 2
Baths
1,256 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
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

$178K
$170K low$186K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$157,000 · May 8, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,154 (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.$116,430 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$93,930
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$116,430

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBLACK HAWK
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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.DeckPatio · 60 ft²Porch · 126 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.

E
Highland Elementary SchoolC-
Elementary · Grades PK–5 · 0.4 mi
H
Waterloo East High SchoolD-
High · Grades 9–12 · 1.0 mi
M
George Washington Carver AcademyD-
Middle · Grades 6–8 · 2.1 mi

District: Waterloo Community School District

Neighborhood · ZIP 50703These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.8.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
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.18,803
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,881
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,949
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

321 Prospect 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 more than 87% of homes in Waterloo 50703
  • Costs more per square foot than 94% of homes in Highland
  • Bigger than 70% of homes in Waterloo 50703
  • Has a bigger lot than 83% of homes in Highland
  • Older than 78% of homes in Black Hawk County

What homes are worth in Waterloo 50703

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

This home
$33K$332K

This home is worth more than 87% of homes in Waterloo 50703.

How it measures up in Waterloo 50703

The dot is this home. The mark in the middle is the typical home in Waterloo 50703.

Estimated value$178,028
CheaperTypical $83,286Pricier

Pricier than 87% of homes nearby

Price per ft²$142
CheaperTypical $86Pricier

Pricier than 80% of homes nearby

Living area1,256 ft²
SmallerTypical 1,056 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.24 ac
SmallerTypical 0.16 acBigger

Bigger than 77% of homes nearby

Year built1938
OlderTypical 1940Newer

Newer than 48% of homes nearby

How 321 Prospect Ave ranks against every home in each area.
MeasureThis homeHighlandWaterloo 50703Black Hawk County
Estimated valuepricier than$178,02881% of homes87% of homes44% of homes
Price per ft²pricier than$14294% of homes80% of homes36% of homes
Living areabigger than1,256 ft²32% of homes70% of homes54% of homes
Lot sizebigger than0.24 ac83% of homes77% of homes61% of homes
Year builtnewer than193868% of homes48% of homes22% of homes

About 321 Prospect Ave

How much is 321 Prospect Ave, Waterloo, IA worth?

The TopHap Estimate for 321 Prospect Ave, Waterloo, IA is $178,028 as of Aug 30, 2026. The likely range is $169,998 to $186,058. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Prospect Ave, Waterloo, IA last sell?

321 Prospect Ave, Waterloo, IA last sold on May 8, 2023 for $157,000, according to the county's recorded deed.

How big is 321 Prospect Ave, Waterloo, IA?

321 Prospect Ave, Waterloo, IA has 3 bedrooms, 3 bathrooms, 1,256 square feet of living space and a 0.24-acre lot.

When was 321 Prospect Ave, Waterloo, IA built?

321 Prospect Ave, Waterloo, IA was built in 1938, making it 88 years old. The building has 2 stories.

What schools serve 321 Prospect Ave, Waterloo, IA?

321 Prospect Ave, Waterloo, IA is assigned to Highland Elementary School (elementary), rated C-; Waterloo East High School (high), rated D-; George Washington Carver Academy (middle), rated D-. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Prospect Ave, Waterloo, IA compare to other homes in Waterloo 50703?

Among the 7,469 homes in Waterloo 50703, it is worth more than 87% of them ($178,028 against a typical $83,286), its price per square foot is higher than 80% of them ($142 against a typical $86), it is bigger than 70% of them (1,256 ft² against a typical 1,056 ft²), its lot is bigger than 77% of them (0.24 ac against a typical 0.16 ac) and it is newer than 48% of them (1938 against a typical 1940). Measured against all of Black Hawk County, it is worth more than 44% 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 321 Prospect Ave, Waterloo, IA?

The 2025 property tax bill for 321 Prospect Ave, Waterloo, IA was $2,154. The county assessed it at $116,430.

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