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Duplex (2 Units, Any Combination)Residential

1827 CASTLE ST

WATERLOO, IA 50701
2.5
Baths
1,092 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
4
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,584 (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.$224,610 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,380
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$209,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$224,610

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyBLACK HAWK
Lot (acres)The size of the land the home sits on, from county records.0.23
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, 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.Patio · 140 ft²Porch · 68 ft²

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

E
Fred Becker Elementary SchoolC+
Elementary · Grades PK–5 · 1.3 mi
M
Central Middle SchoolF
Middle · Grades 6–8 · 1.3 mi
H
Waterloo East High SchoolD-
High · Grades 9–12 · 3.6 mi

District: Waterloo Community School District

Neighborhood · ZIP 50701These 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.101
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 100.13

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.30,091
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.444 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,009
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,898
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

1827 Castle 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.

  • Has a bigger lot than 65% of homes in Waterloo 50701
  • Newer than 69% of homes in Waterloo 50701

How it measures up in Waterloo 50701

The dot is this home. The mark in the middle is the typical home in Waterloo 50701.

Living area1,092 ft²
SmallerTypical 1,188 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.23 ac
SmallerTypical 0.19 acBigger

Bigger than 65% of homes nearby

Year built1976
OlderTypical 1966Newer

Newer than 69% of homes nearby

How 1827 Castle St ranks against every home in each area.
MeasureThis homeWaterloo 50701Black Hawk County
Living areabigger than1,092 ft²42% of homes40% of homes
Lot sizebigger than0.23 ac65% of homes59% of homes
Year builtnewer than197669% of homes69% of homes

About 1827 Castle St

When did 1827 Castle St, Waterloo, IA last sell?

1827 Castle St, Waterloo, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1827 Castle St, Waterloo, IA?

1827 Castle St, Waterloo, IA has 2.5 bathrooms, 1,092 square feet of living space and a 0.23-acre lot.

When was 1827 Castle St, Waterloo, IA built?

1827 Castle St, Waterloo, IA was built in 1976, making it 50 years old. It is a duplex single home.

What schools serve 1827 Castle St, Waterloo, IA?

1827 Castle St, Waterloo, IA is assigned to Fred Becker Elementary School (elementary), rated C+; Central Middle School (middle), rated F; 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 1827 Castle St, Waterloo, IA compare to other homes in Waterloo 50701?

Among the 12,581 homes in Waterloo 50701, it is bigger than 42% of them (1,092 ft² against a typical 1,188 ft²), its lot is bigger than 65% of them (0.23 ac against a typical 0.19 ac) and it is newer than 69% of them (1976 against a typical 1966). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1827 Castle St, Waterloo, IA?

The 2025 property tax bill for 1827 Castle St, Waterloo, IA was $4,584. The county assessed it at $224,610.

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