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Rural ResidenceResidential
$270,427$102 / 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 79How 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

3285 170TH ST

MASONVILLE, IA 50654
5
Beds
1.5
Baths
2,648 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.
31.86 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$270K
$214K low$327K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,464 (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.$614,490 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$92,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$521,720
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$588,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$614,490

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.49 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyBUCHANAN
Lot (acres)The size of the land the home sits on, from county records.31.86
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Starmont Elementary SchoolC
Elementary · Grades PK–5 · 10.1 mi
M
Starmont Middle SchoolC
Middle · Grades 6–8 · 10.1 mi
H
Starmont High SchoolC
High · Grades 9–12 · 10.1 mi

District: Starmont Community School District

Neighborhood · ZIP 50654These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.841
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.15 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,582
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,114
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%

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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

3285 170th 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 more than 69% of homes in Buchanan County
  • Costs less per square foot than 75% of homes in Buchanan County
  • Bigger than 95% of homes in Buchanan County
  • Has a bigger lot than 96% of homes in Buchanan County

What homes are worth in Masonville 50654

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

This home
$57K$684K

This home is worth more than 68% of homes in Masonville 50654.

How it measures up in Masonville 50654

The dot is this home. The mark in the middle is the typical home in Masonville 50654.

Estimated value$270,427
CheaperTypical $196,655Pricier

Pricier than 68% of homes nearby

Price per ft²$102
CheaperTypical $133Pricier

Pricier than 37% of homes nearby

Living area2,648 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 91% of homes nearby

Lot size31.86 ac
SmallerTypical 2.5 acBigger

Bigger than 82% of homes nearby

Year built1941
OlderTypical 1965Newer

Newer than 41% of homes nearby

How 3285 170th St ranks against every home in each area.
MeasureThis homeMasonville 50654Buchanan County
Estimated valuepricier than$270,42768% of homes69% of homes
Price per ft²pricier than$10237% of homes25% of homes
Living areabigger than2,648 ft²91% of homes95% of homes
Lot sizebigger than31.86 ac82% of homes96% of homes
Year builtnewer than194141% of homes37% of homes

About 3285 170th St

How much is 3285 170th St, Masonville, IA worth?

The TopHap Estimate for 3285 170th St, Masonville, IA is $270,427 as of Sep 24, 2026. The likely range is $213,533 to $327,321. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3285 170th St, Masonville, IA last sell?

3285 170th St, Masonville, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3285 170th St, Masonville, IA?

3285 170th St, Masonville, IA has 5 bedrooms, 1.5 bathrooms, 2,648 square feet of living space and a 31.86-acre lot.

When was 3285 170th St, Masonville, IA built?

3285 170th St, Masonville, IA was built in 1941, making it 85 years old. The building has 2 stories.

What schools serve 3285 170th St, Masonville, IA?

3285 170th St, Masonville, IA is assigned to Starmont Elementary School (elementary), rated C; Starmont Middle School (middle), rated C; Starmont High School (high), rated C. All sit in Starmont Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3285 170th St, Masonville, IA compare to other homes in Masonville 50654?

Among the 211 homes in Masonville 50654, it is worth more than 68% of them ($270,427 against a typical $196,655), its price per square foot is higher than 37% of them ($102 against a typical $133), it is bigger than 91% of them (2,648 ft² against a typical 1,584 ft²), its lot is bigger than 82% of them (31.86 ac against a typical 2.5 ac) and it is newer than 41% of them (1941 against a typical 1965). Measured against all of Buchanan County, it is worth more than 69% 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 3285 170th St, Masonville, IA?

The 2025 property tax bill for 3285 170th St, Masonville, IA was $6,464. The county assessed it at $614,490.

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