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Residential (General/Single)Residential
$72,990$26 / 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 66How 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

820 SOUTH ST

WATERLOO, IA 50702
4
Beds
5 / 2
Baths
2,806 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1901
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$73K
$48K low$98K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$174 (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.$8,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,550
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$8,550

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.21
92
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
15
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.53 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Triplex
CountyBLACK HAWK
Lot (acres)The size of the land the home sits on, from county records.0.19
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.None
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.Porch · 310 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
Lowell Elementary SchoolD+
Elementary · Grades PK–5 · 0.6 mi
H
Waterloo West High SchoolD
High · Grades 9–12 · 1.4 mi
M
Bunger Middle SchoolD
Middle · Grades 6–8 · 3.6 mi

District: Waterloo Community School District

Neighborhood · ZIP 50702These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.20,569
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,006 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,539
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,786
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

820 South 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 96% of homes in Waterloo 50702
  • Among the lowest price per square foot in Waterloo 50702
  • Among the largest homes in Doe
  • Has a bigger lot than 84% of homes in Doe
  • Older than 97% of homes in Waterloo 50702

What homes are worth in Waterloo 50702

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

This home
$63K$321K

This home is worth more than 4% of homes in Waterloo 50702.

How it measures up in Waterloo 50702

The dot is this home. The mark in the middle is the typical home in Waterloo 50702.

Estimated value$72,990
CheaperTypical $155,347Pricier

Pricier than 4% of homes nearby

Price per ft²$26
CheaperTypical $154Pricier

Cheaper than almost all homes nearby

Living area2,806 ft²
SmallerTypical 1,056 ft²Bigger

Bigger than almost all homes nearby

Lot size0.19 ac
SmallerTypical 0.17 acBigger

Bigger than 65% of homes nearby

Year built1901
OlderTypical 1956Newer

Newer than 3% of homes nearby

How 820 South St ranks against every home in each area.
MeasureThis homeDoeWaterloo 50702Black Hawk County
Estimated valuepricier than$72,99035% of homes4% of homes9% of homes
Price per ft²pricier than$262% of homesalmost no homesalmost no homes
Living areabigger than2,806 ft²almost all homesalmost all homes97% of homes
Lot sizebigger than0.19 ac84% of homes65% of homes44% of homes
Year builtnewer than190122% of homes3% of homes4% of homes

About 820 South St

How much is 820 South St, Waterloo, IA worth?

The TopHap Estimate for 820 South St, Waterloo, IA is $72,990 as of Aug 30, 2026. The likely range is $48,109 to $97,871. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 South St, Waterloo, IA last sell?

820 South St, Waterloo, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 820 South St, Waterloo, IA?

820 South St, Waterloo, IA has 4 bedrooms, 5 bathrooms, 2,806 square feet of living space and a 0.19-acre lot.

When was 820 South St, Waterloo, IA built?

820 South St, Waterloo, IA was built in 1901, making it 125 years old. It is a triplex home. The building has 2 stories.

What schools serve 820 South St, Waterloo, IA?

820 South St, Waterloo, IA is assigned to Lowell Elementary School (elementary), rated D+; Waterloo West High School (high), rated D; Bunger Middle School (middle), rated D. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 South St, Waterloo, IA compare to other homes in Waterloo 50702?

Among the 8,601 homes in Waterloo 50702, it is worth more than 4% of them ($72,990 against a typical $155,347), its price per square foot is higher than almost none of them ($26 against a typical $154), it is bigger than almost all of them (2,806 ft² against a typical 1,056 ft²), its lot is bigger than 65% of them (0.19 ac against a typical 0.17 ac) and it is newer than 3% of them (1901 against a typical 1956). Measured against all of Black Hawk County, it is worth more than 9% 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 820 South St, Waterloo, IA?

The 2025 property tax bill for 820 South St, Waterloo, IA was $174. The county assessed it at $8,550.

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Assigned schools

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