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Single Family ResidenceResidential
$166,202$52 / 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 Oct 21, 2026

505 MADISON ST

LAMONT, IA 50650
2
Beds
3 / 2
Baths
3,204 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1870
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$166K
$129K low$203K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,272 (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.$175,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,530
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,820
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$142,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$175,350

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.31 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
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyBUCHANAN
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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 · 6.3 mi
M
Starmont Middle SchoolC
Middle · Grades 6–8 · 6.3 mi
H
Starmont High SchoolC
High · Grades 9–12 · 6.3 mi

District: Starmont Community School District

Neighborhood · ZIP 50650These 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.134
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 100.17

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.93%
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.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.450
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,450
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,523
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

505 Madison 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 65% of homes in Lamont 50650
  • Costs less per square foot than 97% of homes in Buchanan County
  • Bigger than 98% of homes in Lamont 50650
  • Has a smaller lot than 79% of homes in Lamont 50650
  • Older than 97% of homes in Lamont 50650

What homes are worth in Lamont 50650

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

This home
$40K$348K

This home is worth more than 65% of homes in Lamont 50650.

How it measures up in Lamont 50650

The dot is this home. The mark in the middle is the typical home in Lamont 50650.

Estimated value$166,202
CheaperTypical $133,162Pricier

Pricier than 65% of homes nearby

Price per ft²$52
CheaperTypical $92Pricier

Pricier than 11% of homes nearby

Living area3,204 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.25 ac
SmallerTypical 0.63 acBigger

Bigger than 21% of homes nearby

Year built1870
OlderTypical 1920Newer

Newer than 3% of homes nearby

How 505 Madison St ranks against every home in each area.
MeasureThis homeLamont 50650Buchanan County
Estimated valuepricier than$166,20265% of homes35% of homes
Price per ft²pricier than$5211% of homes3% of homes
Living areabigger than3,204 ft²98% of homes98% of homes
Lot sizebigger than0.25 ac21% of homes30% of homes
Year builtnewer than18703% of homes3% of homes

About 505 Madison St

How much is 505 Madison St, Lamont, IA worth?

The TopHap Estimate for 505 Madison St, Lamont, IA is $166,202 as of Oct 21, 2026. The likely range is $129,022 to $203,382. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 505 Madison St, Lamont, IA last sell?

505 Madison St, Lamont, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 505 Madison St, Lamont, IA?

505 Madison St, Lamont, IA has 2 bedrooms, 3 bathrooms, 3,204 square feet of living space and a 0.25-acre lot.

When was 505 Madison St, Lamont, IA built?

505 Madison St, Lamont, IA was built in 1870, making it 156 years old. It is a a-frame home. The building has 2 stories.

What schools serve 505 Madison St, Lamont, IA?

505 Madison St, Lamont, 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 505 Madison St, Lamont, IA compare to other homes in Lamont 50650?

Among the 346 homes in Lamont 50650, it is worth more than 65% of them ($166,202 against a typical $133,162), its price per square foot is higher than 11% of them ($52 against a typical $92), it is bigger than 98% of them (3,204 ft² against a typical 1,568 ft²), its lot is bigger than 21% of them (0.25 ac against a typical 0.63 ac) and it is newer than 3% of them (1870 against a typical 1920). Measured against all of Buchanan County, it is worth more than 35% 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 505 Madison St, Lamont, IA?

The 2025 property tax bill for 505 Madison St, Lamont, IA was $2,272. The county assessed it at $175,350.

More homes on Madison St

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Assigned schools

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