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Single Family ResidenceResidential
$66,715$107 / 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 78How 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 $3,794,399 on Apr 7, 2026

321 CHARLES ST

WATERLOO, IA 50703
2
Beds
1
Baths
624 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.
0.17 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.
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.

Valuation

$67K
$52K low$81K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,794,399 · Apr 7, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,044 (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.$51,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,440
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,760
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,810
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$51,200

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.0.17
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
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 · 40 ft²

Transaction History(9)

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
George Washington Carver AcademyD-
Middle · Grades 6–8 · 0.6 mi
E
Dr. Walter Cunningham School for ExcellenceC-
Elementary · Grades PK–5 · 0.7 mi
H
Waterloo East High SchoolD-
High · Grades 9–12 · 1.1 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 Charles 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 less than 92% of homes in Black Hawk County
  • Costs more per square foot than 88% of homes in Roosevelt
  • Smaller than 97% of homes in Waterloo 50703
  • 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$345K

This home is worth more than 36% 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$66,715
CheaperTypical $80,675Pricier

Pricier than 36% of homes nearby

Price per ft²$107
CheaperTypical $83Pricier

Pricier than 66% of homes nearby

Living area624 ft²
SmallerTypical 1,058 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 61% of homes nearby

Year built1938
OlderTypical 1939Newer

Newer than 48% of homes nearby

How 321 Charles St ranks against every home in each area.
MeasureThis homeRooseveltWaterloo 50703Black Hawk County
Estimated valuepricier than$66,71567% of homes36% of homes8% of homes
Price per ft²pricier than$10788% of homes66% of homes20% of homes
Living areabigger than624 ft²5% of homes3% of homes4% of homes
Lot sizebigger than0.17 ac58% of homes61% of homes36% of homes
Year builtnewer than193853% of homes48% of homes22% of homes

About 321 Charles St

How much is 321 Charles St, Waterloo, IA worth?

The TopHap Estimate for 321 Charles St, Waterloo, IA is $66,715 as of Sep 24, 2026. The likely range is $51,975 to $81,455. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Charles St, Waterloo, IA last sell?

321 Charles St, Waterloo, IA last sold on Apr 7, 2026 for $3,794,399, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 321 Charles St, Waterloo, IA?

321 Charles St, Waterloo, IA has 2 bedrooms, 1 bathrooms, 624 square feet of living space and a 0.17-acre lot.

When was 321 Charles St, Waterloo, IA built?

321 Charles St, Waterloo, IA was built in 1938, making it 88 years old. The building has 1 story.

What schools serve 321 Charles St, Waterloo, IA?

321 Charles St, Waterloo, IA is assigned to George Washington Carver Academy (middle), rated D-; Dr. Walter Cunningham School for Excellence (elementary), rated C-; Waterloo East High School (high), rated D-. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Charles St, Waterloo, IA compare to other homes in Waterloo 50703?

Among the 7,469 homes in Waterloo 50703, it is worth more than 36% of them ($66,715 against a typical $80,675), its price per square foot is higher than 66% of them ($107 against a typical $83), it is bigger than 3% of them (624 ft² against a typical 1,058 ft²), its lot is bigger than 61% of them (0.17 ac against a typical 0.16 ac) and it is newer than 48% of them (1938 against a typical 1939). Measured against all of Black Hawk County, it is worth more than 8% 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 Charles St, Waterloo, IA?

The 2025 property tax bill for 321 Charles St, Waterloo, IA was $1,044. The county assessed it at $51,200.

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