Skip to content
Skip to content
TopHapOpen in map
Commercial (General)Commercial

509 20TH AVE SW

INDEPENDENCE, IA 50644
0
Baths
2,400 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,332 (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.$84,710 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,350
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$56,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$84,710

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Commercial (General)
CountyBUCHANAN
Lot (acres)The size of the land the home sits on, from county records.0.90
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
Independence Junior Senior High SchoolC
Middle · Grades 7–12 · 0.3 mi
E
East Elementary School
Elementary · Grades KG–2 · 0.7 mi

District: Independence Community School District

Neighborhood · ZIP 50644These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.9,834
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.67 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,940
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,980
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%

Owner Tools

Do you own this home?
Claim this home

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

509 20th Ave Sw 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 91% of homes in Independence 50644
  • Has a bigger lot than 70% of homes in Independence 50644
  • Newer than 97% of homes in Buchanan County

How it measures up in Independence 50644

The dot is this home. The mark in the middle is the typical home in Independence 50644.

Living area2,400 ft²
SmallerTypical 1,430 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.9 ac
SmallerTypical 0.31 acBigger

Bigger than 70% of homes nearby

Year built2018
OlderTypical 1962Newer

Newer than 96% of homes nearby

How 509 20th Ave Sw ranks against every home in each area.
MeasureThis homeIndependence 50644Buchanan County
Living areabigger than2,400 ft²91% of homes91% of homes
Lot sizebigger than0.9 ac70% of homes62% of homes
Year builtnewer than201896% of homes97% of homes

About 509 20th Ave Sw

When did 509 20th Ave Sw, Independence, IA last sell?

509 20th Ave Sw, Independence, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 20th Ave Sw, Independence, IA?

509 20th Ave Sw, Independence, IA has 2,400 square feet of living space and a 0.90-acre lot.

When was 509 20th Ave Sw, Independence, IA built?

509 20th Ave Sw, Independence, IA was built in 2018, making it 8 years old. The building has 1 story.

What schools serve 509 20th Ave Sw, Independence, IA?

509 20th Ave Sw, Independence, IA is assigned to Independence Junior Senior High School (middle), rated C; East Elementary School (elementary). All sit in Independence Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 20th Ave Sw, Independence, IA compare to other homes in Independence 50644?

Among the 3,659 homes in Independence 50644, it is bigger than 91% of them (2,400 ft² against a typical 1,430 ft²), its lot is bigger than 70% of them (0.9 ac against a typical 0.31 ac) and it is newer than 96% of them (2018 against a typical 1962). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 20th Ave Sw, Independence, IA?

The 2025 property tax bill for 509 20th Ave Sw, Independence, IA was $3,332. The county assessed it at $84,710.

Closest homes

More homes in Independence 50644

Assigned schools

Explore the area

See this home in context

Open 509 20th Ave Sw on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map