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Single Family ResidenceResidential
$102,067$83 / 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 81How 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 $64,000 on Oct 8, 2013

423 COLLEGE ST

MARBLE ROCK, IA 50653
3
Beds
2
Baths
1,232 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$102K
$83K low$121K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$64,000 · Oct 8, 2013
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.$102,067
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$81,654

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,206 (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.$95,290 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,040
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,290
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$95,290

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.0.26
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.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
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 · 60 ft²Patio · 60 ft²

Transaction History(1)

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
Rrmr Elementary SchoolB-
Elementary · Grades PK–6 · 7.0 mi
M
Rockford Junior-Senior High SchoolB+
Middle · Grades 7–12 · 7.0 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

423 College 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 67% of homes in Floyd County
  • Costs less per square foot than 65% of homes in Floyd County
  • Smaller than 74% of homes in Marble Rock 50653
  • Has a smaller lot than 86% of homes in Marble Rock 50653
  • Newer than 85% 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$406K

This home is worth more than 42% 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$102,067
CheaperTypical $123,696Pricier

Pricier than 42% of homes nearby

Price per ft²$83
CheaperTypical $88Pricier

Pricier than 48% of homes nearby

Living area1,232 ft²
SmallerTypical 1,504 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.26 ac
SmallerTypical 1.58 acBigger

Bigger than 14% of homes nearby

Year built1983
OlderTypical 1920Newer

Newer than 85% of homes nearby

How 423 College St ranks against every home in each area.
MeasureThis homeMarble Rock 50653Floyd County
Estimated valuepricier than$102,06742% of homes33% of homes
Price per ft²pricier than$8348% of homes35% of homes
Living areabigger than1,232 ft²26% of homes36% of homes
Lot sizebigger than0.26 ac14% of homes41% of homes
Year builtnewer than198385% of homes83% of homes

About 423 College St

How much is 423 College St, Marble Rock, IA worth?

The TopHap Estimate for 423 College St, Marble Rock, IA is $102,067 as of Jul 14, 2026. The likely range is $83,030 to $121,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 College St, Marble Rock, IA last sell?

423 College St, Marble Rock, IA last sold on Oct 8, 2013 for $64,000, according to the county's recorded deed.

How big is 423 College St, Marble Rock, IA?

423 College St, Marble Rock, IA has 3 bedrooms, 2 bathrooms, 1,232 square feet of living space and a 0.26-acre lot.

When was 423 College St, Marble Rock, IA built?

423 College St, Marble Rock, IA was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 423 College St, Marble Rock, IA?

423 College 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 423 College 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 42% of them ($102,067 against a typical $123,696), its price per square foot is higher than 48% of them ($83 against a typical $88), it is bigger than 26% of them (1,232 ft² against a typical 1,504 ft²), its lot is bigger than 14% of them (0.26 ac against a typical 1.58 ac) and it is newer than 85% of them (1983 against a typical 1920). Measured against all of Floyd County, it is worth more than 33% 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 423 College St, Marble Rock, IA?

The 2025 property tax bill for 423 College St, Marble Rock, IA was $1,206. The county assessed it at $95,290.

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