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Single Family ResidenceResidential
$30,523$25 / 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 66How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $35,000 on Jan 21, 1988

321 S RIVER ST

MARBLE ROCK, IA 50653
3
Beds
2
Baths
1,208 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.
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
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.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$31K
$20K low$41K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Jan 21, 1988
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$30,523
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$24,418

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,158 (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.$136,060 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,510
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$129,550
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$136,060
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$136,060

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFloyd
Lot (acres)The size of the land the home sits on, from county records.0.70
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
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.Mixed
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 · 460 ft²Patio · 63 ft²

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

E
Rrmr Elementary SchoolB-
Elementary · Grades PK–6 · 6.9 mi
M
Rockford Junior-Senior High SchoolB+
Middle · Grades 7–12 · 6.9 mi

District: Rudd-Rockford-Marble Rock Community School District

Neighborhood · ZIP 50653These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
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.1.0%
PopulationHow many people live in this area.467
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,590
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,165
Average tempThe average temperature here across a full year.46°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

321 S River 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.

  • Among the least valuable homes in Floyd County
  • Among the lowest price per square foot in Floyd County
  • Smaller than 77% of homes in Marble Rock 50653
  • Newer than 80% of homes in Marble Rock 50653

What homes are worth in Marble Rock 50653

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

This home
$27K$408K

This home is worth more than 3% of homes in Marble Rock 50653.

How it measures up in Marble Rock 50653

The dot is this home. The mark in the middle is the typical home in Marble Rock 50653.

Estimated value$30,523
CheaperTypical $123,696Pricier

Pricier than 3% of homes nearby

Price per ft²$25
CheaperTypical $88Pricier

Pricier than 5% of homes nearby

Living area1,208 ft²
SmallerTypical 1,496 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.7 ac
SmallerTypical 1.49 acBigger

Bigger than 41% of homes nearby

Year built1974
OlderTypical 1920Newer

Newer than 80% of homes nearby

How 321 S River St ranks against every home in each area.
MeasureThis homeMarble Rock 50653Floyd County
Estimated valuepricier than$30,5233% of homesalmost no homes
Price per ft²pricier than$255% of homesalmost no homes
Living areabigger than1,208 ft²23% of homes34% of homes
Lot sizebigger than0.7 ac41% of homes63% of homes
Year builtnewer than197480% of homes76% of homes

About 321 S River St

How much is 321 S River St, Marble Rock, IA worth?

The TopHap Estimate for 321 S River St, Marble Rock, IA is $30,523 as of Jul 14, 2026. The likely range is $20,072 to $40,974. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 S River St, Marble Rock, IA last sell?

321 S River St, Marble Rock, IA last sold on Jan 21, 1988 for $35,000, according to the county's recorded deed.

How big is 321 S River St, Marble Rock, IA?

321 S River St, Marble Rock, IA has 3 bedrooms, 2 bathrooms, 1,208 square feet of living space and a 0.70-acre lot.

When was 321 S River St, Marble Rock, IA built?

321 S River St, Marble Rock, IA was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 321 S River St, Marble Rock, IA?

321 S River St, Marble Rock, IA is assigned to Rrmr Elementary School (elementary), rated B-; Rockford Junior-Senior High School (middle), rated B+. All sit in Rudd-Rockford-Marble Rock Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 S River St, Marble Rock, IA compare to other homes in Marble Rock 50653?

Among the 322 homes in Marble Rock 50653, it is worth more than 3% of them ($30,523 against a typical $123,696), its price per square foot is higher than 5% of them ($25 against a typical $88), it is bigger than 23% of them (1,208 ft² against a typical 1,496 ft²), its lot is bigger than 41% of them (0.7 ac against a typical 1.49 ac) and it is newer than 80% of them (1974 against a typical 1920). Measured against all of Floyd County, it is worth more than almost no 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 321 S River St, Marble Rock, IA?

The 2025 property tax bill for 321 S River St, Marble Rock, IA was $2,158. The county assessed it at $136,060.

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Assigned schools

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