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Single Family ResidenceResidential
$207,030$178 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $205,000 on Jan 13, 2026

421 W 30TH ST

DAVENPORT, IA 52803
2
Beds
2.5
Baths
1,163 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$207K
$185K low$229K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$205,000 · Jan 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,557 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$181,420 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$157,420
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$169,340
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$181,420

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.A-Frame
CountySCOTT
Lot (acres)The size of the land the home sits on, from county records.0.15
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
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, Detached
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 · 284 ft²Porch · 160 ft²

Transaction History(5)

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
Adams Elementary SchoolD-
Elementary · Grades KG–6 · 1.1 mi
M
Williams Middle SchoolF
Middle · Grades 7–8 · 1.2 mi
H
North High SchoolF
High · Grades 9–12 · 1.8 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%

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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

421 W 30th 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 more than 70% of homes in Davenport 52803
  • Costs more per square foot than 84% of homes in Davenport 52803
  • Smaller than 74% of homes in Davenport 52803
  • Has a smaller lot than 75% of homes in Scott County
  • Newer than 76% of homes in Davenport 52803

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
$56K$468K

This home is worth more than 70% 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$207,030
CheaperTypical $164,612Pricier

Pricier than 70% of homes nearby

Price per ft²$178
CheaperTypical $125Pricier

Pricier than 84% of homes nearby

Living area1,163 ft²
SmallerTypical 1,496 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.15 ac
SmallerTypical 0.16 acBigger

Bigger than 45% of homes nearby

Year built1947
OlderTypical 1921Newer

Newer than 76% of homes nearby

How 421 W 30th St ranks against every home in each area.
MeasureThis homeDavenport 52803Scott County
Estimated valuepricier than$207,03070% of homes42% of homes
Price per ft²pricier than$17884% of homes51% of homes
Living areabigger than1,163 ft²26% of homes33% of homes
Lot sizebigger than0.15 ac45% of homes25% of homes
Year builtnewer than194776% of homes25% of homes

About 421 W 30th St

How much is 421 W 30th St, Davenport, IA worth?

The TopHap Estimate for 421 W 30th St, Davenport, IA is $207,030 as of Oct 21, 2026. The likely range is $185,267 to $228,793. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 W 30th St, Davenport, IA last sell?

421 W 30th St, Davenport, IA last sold on Jan 13, 2026 for $205,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 421 W 30th St, Davenport, IA?

421 W 30th St, Davenport, IA has 2 bedrooms, 2.5 bathrooms, 1,163 square feet of living space and a 0.15-acre lot.

When was 421 W 30th St, Davenport, IA built?

421 W 30th St, Davenport, IA was built in 1947, making it 79 years old. It is a a-frame home. The building has 1 story.

What schools serve 421 W 30th St, Davenport, IA?

421 W 30th St, Davenport, IA is assigned to Adams Elementary School (elementary), rated D-; Williams Middle School (middle), rated F; North High School (high), rated F. All sit in Davenport Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 W 30th St, Davenport, IA compare to other homes in Davenport 52803?

Among the 8,049 homes in Davenport 52803, it is worth more than 70% of them ($207,030 against a typical $164,612), its price per square foot is higher than 84% of them ($178 against a typical $125), it is bigger than 26% of them (1,163 ft² against a typical 1,496 ft²), its lot is bigger than 45% of them (0.15 ac against a typical 0.16 ac) and it is newer than 76% of them (1947 against a typical 1921). Measured against all of Scott County, it is worth more than 42% 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 421 W 30th St, Davenport, IA?

The 2026 property tax bill for 421 W 30th St, Davenport, IA was $2,557. The county assessed it at $181,420.

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