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Single Family ResidenceResidential
$170,580$128 / 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 79How 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 $125,000 on Oct 5, 2005

18423 145TH ST

MONONA, IA 52159
3
Beds
2
Baths
1,336 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.
2.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$171K
$134K low$207K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Oct 5, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,216 (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.$210,828 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,855
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$155,973
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$179,169
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,828

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.Ranch
CountyCLAYTON
Lot (acres)The size of the land the home sits on, from county records.2.54
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Deck · 240 ft²Patio · 240 ft²Porch · 8 ft²

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

E
Mfl Marmac Elementary SchoolB-
Elementary · Grades PK–3 · 3.3 mi
H
Mfl Marmac High SchoolC-
High · Grades 9–12 · 3.3 mi
M
Mfl Marmac Middle SchoolB+
Middle · Grades 6–8 · 12.9 mi

District: Mfl Marmac Community School District

Neighborhood · ZIP 52159These 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.118
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 100.11

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
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.1.3%
PopulationHow many people live in this area.2,409
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.35 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,290
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,692
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

18423 145th 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.

  • Smaller than 67% of homes in Monona 52159
  • Has a bigger lot than 72% of homes in Monona 52159

What homes are worth in Monona 52159

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

This home
$54K$435K

This home is worth more than 54% of homes in Monona 52159.

How it measures up in Monona 52159

The dot is this home. The mark in the middle is the typical home in Monona 52159.

Estimated value$170,580
CheaperTypical $163,305Pricier

Pricier than 54% of homes nearby

Price per ft²$128
CheaperTypical $107Pricier

Pricier than 64% of homes nearby

Living area1,336 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 33% of homes nearby

Lot size2.54 ac
SmallerTypical 0.38 acBigger

Bigger than 72% of homes nearby

Year built1961
OlderTypical 1948Newer

Newer than 62% of homes nearby

How 18423 145th St ranks against every home in each area.
MeasureThis homeMonona 52159Clayton County
Estimated valuepricier than$170,58054% of homes43% of homes
Price per ft²pricier than$12864% of homes49% of homes
Living areabigger than1,336 ft²33% of homes36% of homes
Lot sizebigger than2.54 ac72% of homes68% of homes
Year builtnewer than196162% of homes53% of homes

About 18423 145th St

How much is 18423 145th St, Monona, IA worth?

The TopHap Estimate for 18423 145th St, Monona, IA is $170,580 as of Sep 24, 2026. The likely range is $134,059 to $207,101. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18423 145th St, Monona, IA last sell?

18423 145th St, Monona, IA last sold on Oct 5, 2005 for $125,000, according to the county's recorded deed.

How big is 18423 145th St, Monona, IA?

18423 145th St, Monona, IA has 3 bedrooms, 2 bathrooms, 1,336 square feet of living space and a 2.54-acre lot.

When was 18423 145th St, Monona, IA built?

18423 145th St, Monona, IA was built in 1961, making it 65 years old. It is a ranch home. The building has 1 story.

What schools serve 18423 145th St, Monona, IA?

18423 145th St, Monona, IA is assigned to Mfl Marmac Elementary School (elementary), rated B-; Mfl Marmac High School (high), rated C-; Mfl Marmac Middle School (middle), rated B+. All sit in Mfl Marmac Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18423 145th St, Monona, IA compare to other homes in Monona 52159?

Among the 961 homes in Monona 52159, it is worth more than 54% of them ($170,580 against a typical $163,305), its price per square foot is higher than 64% of them ($128 against a typical $107), it is bigger than 33% of them (1,336 ft² against a typical 1,568 ft²), its lot is bigger than 72% of them (2.54 ac against a typical 0.38 ac) and it is newer than 62% of them (1961 against a typical 1948). Measured against all of Clayton County, it is worth more than 43% 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 18423 145th St, Monona, IA?

The 2025 property tax bill for 18423 145th St, Monona, IA was $2,216. The county assessed it at $210,828.

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