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Single Family ResidenceResidential
$190,555$104 / 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 76How 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

17887 21ST AVE

MONMOUTH, IA 52309
3
Beds
2.5
Baths
1,840 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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.

Valuation

$191K
$144K low$237K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,086 (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.$230,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$195,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$230,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyJACKSON
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Stone
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.DeckPatio · 224 ft²Porch · 16 ft²

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

E
Cascade Elementary SchoolA-
Elementary · Grades PK–5 · 10.3 mi
M
Cascade Jr./Sr. High SchoolA
Middle · Grades 6–12 · 10.7 mi

District: Western Dubuque Community School District

Neighborhood · ZIP 52309These 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.134
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.474
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,950
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,006
Average tempThe average temperature here across a full year.48°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%

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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

17887 21st 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 more than 67% of homes in Monmouth 52309
  • Costs less per square foot than 70% of homes in Jackson County
  • Bigger than 79% of homes in Monmouth 52309
  • Older than 71% of homes in Monmouth 52309

What homes are worth in Monmouth 52309

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

This home
$32K$395K

This home is worth more than 67% of homes in Monmouth 52309.

How it measures up in Monmouth 52309

The dot is this home. The mark in the middle is the typical home in Monmouth 52309.

Estimated value$190,555
CheaperTypical $139,268Pricier

Pricier than 67% of homes nearby

Price per ft²$104
CheaperTypical $103Pricier

Pricier than 51% of homes nearby

Living area1,840 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 79% of homes nearby

Lot size1 ac
SmallerTypical 1.92 acBigger

Bigger than 36% of homes nearby

Year built1930
OlderTypical 1981Newer

Newer than 29% of homes nearby

How 17887 21st Ave ranks against every home in each area.
MeasureThis homeMonmouth 52309Jackson County
Estimated valuepricier than$190,55567% of homes47% of homes
Price per ft²pricier than$10451% of homes30% of homes
Living areabigger than1,840 ft²79% of homes74% of homes
Lot sizebigger than1 ac36% of homes62% of homes
Year builtnewer than193029% of homes35% of homes

About 17887 21st Ave

How much is 17887 21st Ave, Monmouth, IA worth?

The TopHap Estimate for 17887 21st Ave, Monmouth, IA is $190,555 as of Sep 24, 2026. The likely range is $143,998 to $237,112. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17887 21st Ave, Monmouth, IA last sell?

17887 21st Ave, Monmouth, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17887 21st Ave, Monmouth, IA?

17887 21st Ave, Monmouth, IA has 3 bedrooms, 2.5 bathrooms, 1,840 square feet of living space and a 1.00-acre lot.

When was 17887 21st Ave, Monmouth, IA built?

17887 21st Ave, Monmouth, IA was built in 1930, making it 96 years old. The building has 2 stories.

What schools serve 17887 21st Ave, Monmouth, IA?

17887 21st Ave, Monmouth, IA is assigned to Cascade Elementary School (elementary), rated A-; Cascade Jr./Sr. High School (middle), rated A. All sit in Western Dubuque Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17887 21st Ave, Monmouth, IA compare to other homes in Monmouth 52309?

Among the 229 homes in Monmouth 52309, it is worth more than 67% of them ($190,555 against a typical $139,268), its price per square foot is higher than 51% of them ($104 against a typical $103), it is bigger than 79% of them (1,840 ft² against a typical 1,344 ft²), its lot is bigger than 36% of them (1 ac against a typical 1.92 ac) and it is newer than 29% of them (1930 against a typical 1981). Measured against all of Jackson County, it is worth more than 47% 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 17887 21st Ave, Monmouth, IA?

The 2025 property tax bill for 17887 21st Ave, Monmouth, IA was $2,086. The county assessed it at $230,500.

More homes on 21st Ave

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Assigned schools

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