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Single Family ResidenceResidential
$118,788$54 / 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 78How 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

503 N RIVER ST

MARBLE ROCK, IA 50653
3
Beds
5 / 3
Baths
2,215 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.
1.57 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$119K
$93K low$145K high
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.$118,788
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$95,030

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,794 (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.$126,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,930
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$118,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$126,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.32
22
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
60
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
5
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountyFloyd
Lot (acres)The size of the land the home sits on, from county records.1.57
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
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.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.Patio · 96 ft²Porch · 144 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 · 6.5 mi
M
Rockford Junior-Senior High SchoolB+
Middle · Grades 7–12 · 6.5 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.Yes

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

503 N 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.

  • Costs less per square foot than 87% of homes in Floyd County
  • Bigger than 90% of homes in Marble Rock 50653
  • Has a bigger lot than 70% of homes in Floyd County
  • Newer than 79% 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 48% 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$118,788
CheaperTypical $123,696Pricier

Pricier than 48% of homes nearby

Price per ft²$54
CheaperTypical $88Pricier

Pricier than 23% of homes nearby

Living area2,215 ft²
SmallerTypical 1,496 ft²Bigger

Bigger than 90% of homes nearby

Lot size1.57 ac
SmallerTypical 1.49 acBigger

Bigger than 50% of homes nearby

Year built1973
OlderTypical 1920Newer

Newer than 79% of homes nearby

How 503 N River St ranks against every home in each area.
MeasureThis homeMarble Rock 50653Floyd County
Estimated valuepricier than$118,78848% of homes41% of homes
Price per ft²pricier than$5423% of homes13% of homes
Living areabigger than2,215 ft²90% of homes89% of homes
Lot sizebigger than1.57 ac50% of homes70% of homes
Year builtnewer than197379% of homes74% of homes

About 503 N River St

How much is 503 N River St, Marble Rock, IA worth?

The TopHap Estimate for 503 N River St, Marble Rock, IA is $118,788 as of Jul 14, 2026. The likely range is $92,506 to $145,070. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 503 N River St, Marble Rock, IA?

503 N River St, Marble Rock, IA has 3 bedrooms, 5 bathrooms, 2,215 square feet of living space and a 1.57-acre lot.

When was 503 N River St, Marble Rock, IA built?

503 N River St, Marble Rock, IA was built in 1973, making it 53 years old. The building has 2 stories.

What schools serve 503 N River St, Marble Rock, IA?

503 N 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 503 N 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 48% of them ($118,788 against a typical $123,696), its price per square foot is higher than 23% of them ($54 against a typical $88), it is bigger than 90% of them (2,215 ft² against a typical 1,496 ft²), its lot is bigger than 50% of them (1.57 ac against a typical 1.49 ac) and it is newer than 79% of them (1973 against a typical 1920). Measured against all of Floyd County, it is worth more than 41% 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 503 N River St, Marble Rock, IA?

The 2025 property tax bill for 503 N River St, Marble Rock, IA was $1,794. The county assessed it at $126,500.

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