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Duplex (2 Units, Any Combination)Residential

307 W 21ST ST

CEDAR FALLS, IA 50613
8
Beds
5.5
Baths
2,961 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
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.$6,472 (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.$431,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,980
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$379,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$414,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,220

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.34%
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.minimal

Scores 0–100; higher = greater projected risk.

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.0.21
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.Mixed
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 · 64 ft²Porch · 164 ft²

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

M
Peet Junior High SchoolA+
Middle · Grades 7–9 · 0.5 mi
H
Cedar Falls High SchoolB+
High · Grades 10–12 · 1.0 mi
E
Cedar Heights Elementary SchoolB-
Elementary · Grades PK–6 · 1.6 mi

District: Cedar Falls Community School District

Neighborhood · ZIP 50613These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.43,092
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,430
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,964
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

307 W 21st 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.

  • Bigger than 97% of homes in Black Hawk County
  • Newer than 93% of homes in Black Hawk County

How it measures up in Cedar Falls 50613

The dot is this home. The mark in the middle is the typical home in Cedar Falls 50613.

Living area2,961 ft²
SmallerTypical 1,416 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.21 ac
SmallerTypical 0.24 acBigger

Bigger than 42% of homes nearby

Year built2011
OlderTypical 1974Newer

Newer than 86% of homes nearby

How 307 W 21st St ranks against every home in each area.
MeasureThis homeCedar Falls 50613Black Hawk County
Living areabigger than2,961 ft²96% of homes97% of homes
Lot sizebigger than0.21 ac42% of homes54% of homes
Year builtnewer than201186% of homes93% of homes

About 307 W 21st St

When did 307 W 21st St, Cedar Falls, IA last sell?

307 W 21st St, Cedar Falls, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 307 W 21st St, Cedar Falls, IA?

307 W 21st St, Cedar Falls, IA has 8 bedrooms, 5.5 bathrooms, 2,961 square feet of living space and a 0.21-acre lot.

When was 307 W 21st St, Cedar Falls, IA built?

307 W 21st St, Cedar Falls, IA was built in 2011, making it 15 years old. It is a duplex single home. The building has 2 stories.

What schools serve 307 W 21st St, Cedar Falls, IA?

307 W 21st St, Cedar Falls, IA is assigned to Peet Junior High School (middle), rated A+; Cedar Falls High School (high), rated B+; Cedar Heights Elementary School (elementary), rated B-. All sit in Cedar Falls Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 W 21st St, Cedar Falls, IA compare to other homes in Cedar Falls 50613?

Among the 15,139 homes in Cedar Falls 50613, it is bigger than 96% of them (2,961 ft² against a typical 1,416 ft²), its lot is bigger than 42% of them (0.21 ac against a typical 0.24 ac) and it is newer than 86% of them (2011 against a typical 1974). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 307 W 21st St, Cedar Falls, IA?

The 2025 property tax bill for 307 W 21st St, Cedar Falls, IA was $6,472. The county assessed it at $431,220.

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