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Single Family ResidenceResidential
$105,873$73 / 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 80How 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

521 E 15TH ST

DAVENPORT, IA 52803
4
Beds
2 / 1
Baths
1,460 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.
2,700 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$106K
$85K low$127K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,224 (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.$85,330 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,930
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$76,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,330

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySCOTT
Lot (acres)The size of the land the home sits on, from county records.0.06
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.Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 234 ft²Porch · 15 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
Madison Elementary SchoolD
Elementary · Grades PK–6 · 0.4 mi
H
Central High SchoolD-
High · Grades 9–12 · 0.5 mi
M
Sudlow Middle SchoolD+
Middle · Grades 7–8 · 0.7 mi

District: Davenport Community School District

Neighborhood · ZIP 52803These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
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.1.4%
PopulationHow many people live in this area.22,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,215 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,045
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,724
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Owner Tools

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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

521 E 15th 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 91% of homes in Scott County
  • Costs less per square foot than 94% of homes in Scott County
  • Smaller than 68% of homes in East Bluff
  • Has a smaller lot than 97% of homes in Davenport 52803
  • Older than 91% of homes in Scott County

What homes are worth in Davenport 52803

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

This home
$57K$491K

This home is worth more than 18% of homes in Davenport 52803.

How it measures up in Davenport 52803

The dot is this home. The mark in the middle is the typical home in Davenport 52803.

Estimated value$105,873
CheaperTypical $166,534Pricier

Pricier than 18% of homes nearby

Price per ft²$73
CheaperTypical $126Pricier

Pricier than 17% of homes nearby

Living area1,460 ft²
SmallerTypical 1,492 ft²Bigger

Bigger than 48% of homes nearby

Lot size2,700 ft²
SmallerTypical 0.16 acBigger

Bigger than 3% of homes nearby

Year built1900
OlderTypical 1922Newer

Newer than 26% of homes nearby

How 521 E 15th St ranks against every home in each area.
MeasureThis homeEast BluffDavenport 52803Scott County
Estimated valuepricier than$105,87354% of homes18% of homes9% of homes
Price per ft²pricier than$7365% of homes17% of homes6% of homes
Living areabigger than1,460 ft²32% of homes48% of homes52% of homes
Lot sizebigger than2,700 ft²5% of homes3% of homes4% of homes
Year builtnewer than190071% of homes26% of homes9% of homes

About 521 E 15th St

How much is 521 E 15th St, Davenport, IA worth?

The TopHap Estimate for 521 E 15th St, Davenport, IA is $105,873 as of Sep 24, 2026. The likely range is $84,586 to $127,160. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 E 15th St, Davenport, IA last sell?

521 E 15th St, Davenport, IA last sold on May 25, 2021, according to the county's recorded deed.

How big is 521 E 15th St, Davenport, IA?

521 E 15th St, Davenport, IA has 4 bedrooms, 2 bathrooms, 1,460 square feet of living space and a 0.06-acre lot.

When was 521 E 15th St, Davenport, IA built?

521 E 15th St, Davenport, IA was built in 1900, making it 126 years old. It is a duplex single home. The building has 2 stories.

What schools serve 521 E 15th St, Davenport, IA?

521 E 15th St, Davenport, IA is assigned to Madison Elementary School (elementary), rated D; Central High School (high), rated D-; Sudlow Middle School (middle), rated D+. All sit in Davenport Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 E 15th St, Davenport, IA compare to other homes in Davenport 52803?

Among the 8,049 homes in Davenport 52803, it is worth more than 18% of them ($105,873 against a typical $166,534), its price per square foot is higher than 17% of them ($73 against a typical $126), it is bigger than 48% of them (1,460 ft² against a typical 1,492 ft²), its lot is bigger than 3% of them (2,700 ft² against a typical 0.16 ac) and it is newer than 26% of them (1900 against a typical 1922). Measured against all of Scott 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 521 E 15th St, Davenport, IA?

The 2025 property tax bill for 521 E 15th St, Davenport, IA was $1,224. The county assessed it at $85,330.

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