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Single Family ResidenceResidential
$205,809$166 / 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 77How 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 $68,000 on Jul 21, 1994

475 ROCK ISLAND AVE

MARTENSDALE, IA 50160
2
Beds
2 / 1
Baths
1,238 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$206K
$159K low$253K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$68,000 · Jul 21, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,806 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$141,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$130,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$141,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWarren
Lot (acres)The size of the land the home sits on, from county records.0.33
ConstructionThe main material the home's frame and walls are built from.Wood (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, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 98 ft²Patio · 240 ft²Porch · 112 ft²

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

E
Martensdale - St. Marys ElementaryA-
Elementary · Grades PK–6 · 0.2 mi
M
Martensdale - St. Marys Jr. / Sr. High SchoolB
Middle · Grades 7–12 · 0.2 mi

District: Martensdale-St. Marys Community School District

Neighborhood · ZIP 50160These 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.188
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.163
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.26
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.66 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,804
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,731
Average tempThe average temperature here across a full year.50°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.59%

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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

475 Rock Island Ave 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 80% of homes in Warren County
  • Costs less per square foot than 71% of homes in Warren County
  • Smaller than 72% of homes in Warren County
  • Has a bigger lot than 75% of homes in Martensdale 50160
  • Older than 97% of homes in Martensdale 50160

What homes are worth in Martensdale 50160

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

This home
$104K$307K

This home is worth more than 63% of homes in Martensdale 50160.

How it measures up in Martensdale 50160

The dot is this home. The mark in the middle is the typical home in Martensdale 50160.

Estimated value$205,809
CheaperTypical $192,690Pricier

Pricier than 63% of homes nearby

Price per ft²$166
CheaperTypical $168Pricier

Pricier than 47% of homes nearby

Living area1,238 ft²
SmallerTypical 1,125 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.33 ac
SmallerTypical 0.26 acBigger

Bigger than 75% of homes nearby

Year built1900
OlderTypical 1967Newer

Newer than 3% of homes nearby

How 475 Rock Island Ave ranks against every home in each area.
MeasureThis homeMartensdale 50160Warren County
Estimated valuepricier than$205,80963% of homes20% of homes
Price per ft²pricier than$16647% of homes29% of homes
Living areabigger than1,238 ft²62% of homes28% of homes
Lot sizebigger than0.33 ac75% of homes54% of homes
Year builtnewer than19003% of homes6% of homes

About 475 Rock Island Ave

How much is 475 Rock Island Ave, Martensdale, IA worth?

The TopHap Estimate for 475 Rock Island Ave, Martensdale, IA is $205,809 as of Sep 24, 2026. The likely range is $158,893 to $252,725. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 475 Rock Island Ave, Martensdale, IA last sell?

475 Rock Island Ave, Martensdale, IA last sold on Jul 21, 1994 for $68,000, according to the county's recorded deed.

How big is 475 Rock Island Ave, Martensdale, IA?

475 Rock Island Ave, Martensdale, IA has 2 bedrooms, 2 bathrooms, 1,238 square feet of living space and a 0.33-acre lot.

When was 475 Rock Island Ave, Martensdale, IA built?

475 Rock Island Ave, Martensdale, IA was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 475 Rock Island Ave, Martensdale, IA?

475 Rock Island Ave, Martensdale, IA is assigned to Martensdale - St. Marys Elementary (elementary), rated A-; Martensdale - St. Marys Jr. / Sr. High School (middle), rated B. All sit in Martensdale-St. Marys Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 475 Rock Island Ave, Martensdale, IA compare to other homes in Martensdale 50160?

Among the 166 homes in Martensdale 50160, it is worth more than 63% of them ($205,809 against a typical $192,690), its price per square foot is higher than 47% of them ($166 against a typical $168), it is bigger than 62% of them (1,238 ft² against a typical 1,125 ft²), its lot is bigger than 75% of them (0.33 ac against a typical 0.26 ac) and it is newer than 3% of them (1900 against a typical 1967). Measured against all of Warren County, it is worth more than 20% 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 475 Rock Island Ave, Martensdale, IA?

The 2024 property tax bill for 475 Rock Island Ave, Martensdale, IA was $1,806. The county assessed it at $141,500.

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