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Single Family ResidenceResidential
$101,154$76 / 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 Oct 21, 2026
Last sold for $75,000 on Feb 14, 2023

304 WALNUT ST

MONONA, IA 52159
2
Beds
1.5
Baths
1,334 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.
0.22 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.
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

$101K
$83K low$120K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$75,000 · Feb 14, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,066 (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.$124,028 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,928
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$89,597
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$124,028

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.Conventional
CountyCLAYTON
Lot (acres)The size of the land the home sits on, from county records.0.22
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.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, 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.Deck · 216 ft²Patio · 120 ft²

Transaction History(3)

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
Mfl Marmac Elementary SchoolB-
Elementary · Grades PK–3 · 0.3 mi
H
Mfl Marmac High SchoolC-
High · Grades 9–12 · 0.3 mi
M
Mfl Marmac Middle SchoolB+
Middle · Grades 6–8 · 10.4 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

304 Walnut 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 83% of homes in Monona 52159
  • Costs less per square foot than 80% of homes in Clayton County
  • Smaller than 67% of homes in Monona 52159
  • Has a smaller lot than 72% of homes in Clayton County

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
$53K$447K

This home is worth more than 17% 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$101,154
CheaperTypical $161,597Pricier

Pricier than 17% of homes nearby

Price per ft²$76
CheaperTypical $106Pricier

Pricier than 25% of homes nearby

Living area1,334 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.22 ac
SmallerTypical 0.38 acBigger

Bigger than 29% of homes nearby

Year built1947
OlderTypical 1947Newer

Newer than 50% of homes nearby

How 304 Walnut St ranks against every home in each area.
MeasureThis homeMonona 52159Clayton County
Estimated valuepricier than$101,15417% of homes19% of homes
Price per ft²pricier than$7625% of homes20% of homes
Living areabigger than1,334 ft²33% of homes35% of homes
Lot sizebigger than0.22 ac29% of homes28% of homes
Year builtnewer than194750% of homes43% of homes

About 304 Walnut St

How much is 304 Walnut St, Monona, IA worth?

The TopHap Estimate for 304 Walnut St, Monona, IA is $101,154 as of Oct 21, 2026. The likely range is $82,544 to $119,764. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 304 Walnut St, Monona, IA last sell?

304 Walnut St, Monona, IA last sold on Feb 14, 2023 for $75,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 304 Walnut St, Monona, IA?

304 Walnut St, Monona, IA has 2 bedrooms, 1.5 bathrooms, 1,334 square feet of living space and a 0.22-acre lot.

When was 304 Walnut St, Monona, IA built?

304 Walnut St, Monona, IA was built in 1947, making it 79 years old. It is a conventional home. The building has 1 story.

What schools serve 304 Walnut St, Monona, IA?

304 Walnut 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 304 Walnut St, Monona, IA compare to other homes in Monona 52159?

Among the 958 homes in Monona 52159, it is worth more than 17% of them ($101,154 against a typical $161,597), its price per square foot is higher than 25% of them ($76 against a typical $106), it is bigger than 33% of them (1,334 ft² against a typical 1,568 ft²), its lot is bigger than 29% of them (0.22 ac against a typical 0.38 ac) and it is newer than 50% of them (1947 against a typical 1947). Measured against all of Clayton County, it is worth more than 19% 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 304 Walnut St, Monona, IA?

The 2025 property tax bill for 304 Walnut St, Monona, IA was $2,066. The county assessed it at $124,028.

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