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Single Family ResidenceResidential
$27,061$31 / 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 88How 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 $15,000 on Jan 24, 2006

228 OLIVER ST

WATERLOO, IA 50703
2
Beds
1
Baths
864 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.
1934
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$27K
$24K low$30K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$15,000 · Jan 24, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,026 (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.$67,610 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,310
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,610

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

M
George Washington Carver AcademyF
Middle · Grades 6–8 · 0.6 mi
E
Dr. Walter Cunningham School for ExcellenceF
Elementary · Grades PK–5 · 0.7 mi
H
Waterloo East High SchoolF
High · Grades 9–12 · 1.0 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

228 Oliver 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.

  • Among the least valuable homes in Black Hawk County
  • Among the lowest price per square foot in Black Hawk County
  • Smaller than 82% of homes in Black Hawk County
  • Older than 80% 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$343K

This home is worth less than almost all 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$27,061
CheaperTypical $80,204Pricier

Cheaper than almost all homes nearby

Price per ft²$31
CheaperTypical $83Pricier

Pricier than 3% of homes nearby

Living area864 ft²
SmallerTypical 1,058 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 60% of homes nearby

Year built1934
OlderTypical 1940Newer

Newer than 45% of homes nearby

How 228 Oliver St ranks against every home in each area.
MeasureThis homeRooseveltWaterloo 50703Black Hawk County
Estimated valuepricier than$27,0613% of homesalmost no homesalmost no homes
Price per ft²pricier than$318% of homes3% of homesalmost no homes
Living areabigger than864 ft²30% of homes26% of homes18% of homes
Lot sizebigger than0.17 ac57% of homes60% of homes36% of homes
Year builtnewer than193449% of homes45% of homes20% of homes

About 228 Oliver St

How much is 228 Oliver St, Waterloo, IA worth?

The TopHap Estimate for 228 Oliver St, Waterloo, IA is $27,061 as of Sep 24, 2026. The likely range is $23,877 to $30,245. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 228 Oliver St, Waterloo, IA last sell?

228 Oliver St, Waterloo, IA last sold on Jan 24, 2006 for $15,000, according to the county's recorded deed.

How big is 228 Oliver St, Waterloo, IA?

228 Oliver St, Waterloo, IA has 2 bedrooms, 1 bathrooms, 864 square feet of living space and a 0.17-acre lot.

When was 228 Oliver St, Waterloo, IA built?

228 Oliver St, Waterloo, IA was built in 1934, making it 92 years old. The building has 1 story.

What schools serve 228 Oliver St, Waterloo, IA?

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

How does 228 Oliver St, Waterloo, IA compare to other homes in Waterloo 50703?

Among the 7,469 homes in Waterloo 50703, it is worth more than almost none of them ($27,061 against a typical $80,204), its price per square foot is higher than 3% of them ($31 against a typical $83), it is bigger than 26% of them (864 ft² against a typical 1,058 ft²), its lot is bigger than 60% of them (0.17 ac against a typical 0.16 ac) and it is newer than 45% of them (1934 against a typical 1940). Measured against all of Black Hawk County, it is worth more than almost no 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 228 Oliver St, Waterloo, IA?

The 2025 property tax bill for 228 Oliver St, Waterloo, IA was $1,026. The county assessed it at $67,610.

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