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Single Family ResidenceResidential
$88,692$109 / 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 82How 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
Last sold for $30,000 on Aug 21, 2014

3121 DIEHN AVE

DAVENPORT, IA 52802
2
Beds
1
Baths
810 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
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

$89K
$73K low$105K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Aug 21, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,446 (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.$87,930 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$87,930
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$87,930

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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySCOTT
Lot (acres)The size of the land the home sits on, from county records.0.16
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
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.Porch · 32 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

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

E
Hayes Elementary SchoolF
Elementary · Grades PK–6 · 0.1 mi
M
Smart Middle SchoolF
Middle · Grades 7–8 · 1.2 mi
H
West High SchoolF
High · Grades 9–12 · 1.6 mi

District: Davenport Community School District

Neighborhood · ZIP 52802These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.9.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
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.9,837
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.884 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,723
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,484
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

3121 Diehn Ave 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 94% of homes in Scott County
  • Costs less per square foot than 85% of homes in Scott County
  • Smaller than 94% of homes in Scott County
  • Has a smaller lot than 72% of homes in Scott County
  • Newer than 88% of homes in Davenport 52802

What homes are worth in Davenport 52802

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

This home
$37K$260K

This home is worth more than 45% of homes in Davenport 52802.

How it measures up in Davenport 52802

The dot is this home. The mark in the middle is the typical home in Davenport 52802.

Estimated value$88,692
CheaperTypical $92,655Pricier

Pricier than 45% of homes nearby

Price per ft²$109
CheaperTypical $85Pricier

Pricier than 72% of homes nearby

Living area810 ft²
SmallerTypical 1,193 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.16 ac
SmallerTypical 0.15 acBigger

Bigger than 57% of homes nearby

Year built1952
OlderTypical 1916Newer

Newer than 88% of homes nearby

How 3121 Diehn Ave ranks against every home in each area.
MeasureThis homeDavenport 52802Scott County
Estimated valuepricier than$88,69245% of homes6% of homes
Price per ft²pricier than$10972% of homes15% of homes
Living areabigger than810 ft²16% of homes6% of homes
Lot sizebigger than0.16 ac57% of homes28% of homes
Year builtnewer than195288% of homes30% of homes

About 3121 Diehn Ave

How much is 3121 Diehn Ave, Davenport, IA worth?

The TopHap Estimate for 3121 Diehn Ave, Davenport, IA is $88,692 as of Sep 24, 2026. The likely range is $72,616 to $104,768. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Diehn Ave, Davenport, IA last sell?

3121 Diehn Ave, Davenport, IA last sold on Aug 21, 2014 for $30,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 3121 Diehn Ave, Davenport, IA?

3121 Diehn Ave, Davenport, IA has 2 bedrooms, 1 bathrooms, 810 square feet of living space and a 0.16-acre lot.

When was 3121 Diehn Ave, Davenport, IA built?

3121 Diehn Ave, Davenport, IA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 3121 Diehn Ave, Davenport, IA?

3121 Diehn Ave, Davenport, IA is assigned to Hayes Elementary School (elementary), rated F; Smart Middle School (middle), rated F; West 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 3121 Diehn Ave, Davenport, IA compare to other homes in Davenport 52802?

Among the 3,789 homes in Davenport 52802, it is worth more than 45% of them ($88,692 against a typical $92,655), its price per square foot is higher than 72% of them ($109 against a typical $85), it is bigger than 16% of them (810 ft² against a typical 1,193 ft²), its lot is bigger than 57% of them (0.16 ac against a typical 0.15 ac) and it is newer than 88% of them (1952 against a typical 1916). Measured against all of Scott County, it is worth more than 6% 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 3121 Diehn Ave, Davenport, IA?

The 2026 property tax bill for 3121 Diehn Ave, Davenport, IA was $1,446. The county assessed it at $87,930.

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