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Single Family ResidenceResidential
$322,424$315 / 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 94How 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

503 BELLE ST

WATERLOO, IA 50702
2
Beds
1.5
Baths
1,024 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$322K
$304K low$340K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,788 (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.$196,530 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,920
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$156,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$192,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$196,530

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.186 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.0.48
ConstructionThe main material the home's frame and walls are built from.Brick
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 288 ft²Shed · 160 ft²Patio · 768 ft²Porch · 176 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Waterloo West High SchoolD
High · Grades 9–12 · 3.3 mi
E
Orange Elementary SchoolA-
Elementary · Grades PK–5 · 3.5 mi
M
Hoover Middle SchoolB-
Middle · Grades 6–8 · 3.7 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

503 Belle 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 most valuable homes in Waterloo 50702
  • Among the highest price per square foot in Waterloo 50702
  • Smaller than 67% of homes in Black Hawk County
  • Has a bigger lot than 94% 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
$62K$310K

This home is worth more than almost all 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$322,424
CheaperTypical $151,522Pricier

Pricier than almost all homes nearby

Price per ft²$315
CheaperTypical $151Pricier

Pricier than almost all homes nearby

Living area1,024 ft²
SmallerTypical 1,058 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.48 ac
SmallerTypical 0.17 acBigger

Bigger than 94% of homes nearby

Year built1961
OlderTypical 1956Newer

Newer than 64% of homes nearby

How 503 Belle St ranks against every home in each area.
MeasureThis homeWaterloo 50702Black Hawk County
Estimated valuepricier than$322,424almost all homes83% of homes
Price per ft²pricier than$315almost all homes97% of homes
Living areabigger than1,024 ft²45% of homes33% of homes
Lot sizebigger than0.48 ac94% of homes85% of homes
Year builtnewer than196164% of homes52% of homes

About 503 Belle St

How much is 503 Belle St, Waterloo, IA worth?

The TopHap Estimate for 503 Belle St, Waterloo, IA is $322,424 as of Sep 24, 2026. The likely range is $304,381 to $340,467. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Belle St, Waterloo, IA last sell?

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

How big is 503 Belle St, Waterloo, IA?

503 Belle St, Waterloo, IA has 2 bedrooms, 1.5 bathrooms, 1,024 square feet of living space and a 0.48-acre lot.

When was 503 Belle St, Waterloo, IA built?

503 Belle St, Waterloo, IA was built in 1961, making it 65 years old. The building has 1 story.

What schools serve 503 Belle St, Waterloo, IA?

503 Belle St, Waterloo, IA is assigned to Waterloo West High School (high), rated D; Orange Elementary School (elementary), rated A-; Hoover Middle School (middle), rated B-. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Belle St, Waterloo, IA compare to other homes in Waterloo 50702?

Among the 8,601 homes in Waterloo 50702, it is worth more than almost all of them ($322,424 against a typical $151,522), its price per square foot is higher than almost all of them ($315 against a typical $151), it is bigger than 45% of them (1,024 ft² against a typical 1,058 ft²), its lot is bigger than 94% of them (0.48 ac against a typical 0.17 ac) and it is newer than 64% of them (1961 against a typical 1956). Measured against all of Black Hawk County, it is worth more than 83% 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 503 Belle St, Waterloo, IA?

The 2025 property tax bill for 503 Belle St, Waterloo, IA was $3,788. The county assessed it at $196,530.

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