Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$159,880$135 / 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 Aug 30, 2026

321 DIAGONAL ST

LANSING, IA 52151
3
Beds
2 / 1
Baths
1,183 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.
2,535 ft²
Lot SizeThe size of the land the home sits on, from county records.
1883
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.

Valuation

$160K
$123K low$197K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,268 (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.$93,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$93,200

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.4
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
8
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Conventional
CountyAllamakee
Lot (acres)The size of the land the home sits on, from county records.0.06
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.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.None
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 119 ft²Patio · 119 ft²

Transaction History(2)

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.

H
Kee High SchoolA
High · Grades 9–12 · 0.3 mi
M
Lansing Middle SchoolA-
Middle · Grades 5–8 · 0.3 mi
E
New Albin Elementary SchoolB
Elementary · Grades PK–4 · 9.6 mi

District: Eastern Allamakee Community School District

Neighborhood · ZIP 52151These 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.143
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.71%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.2,026
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,716
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,843
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Owner Tools

Do you own this home?
Claim this home

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

321 Diagonal 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 85% of homes in Lansing 52151
  • Costs less per square foot than 80% of homes in Lansing 52151
  • Smaller than 69% of homes in Allamakee County
  • Has a smaller lot than 93% of homes in Allamakee County
  • Older than 94% of homes in Allamakee County

What homes are worth in Lansing 52151

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

This home
$84K$657K

This home is worth more than 15% of homes in Lansing 52151.

How it measures up in Lansing 52151

The dot is this home. The mark in the middle is the typical home in Lansing 52151.

Estimated value$159,880
CheaperTypical $278,546Pricier

Pricier than 15% of homes nearby

Price per ft²$135
CheaperTypical $202Pricier

Pricier than 20% of homes nearby

Living area1,183 ft²
SmallerTypical 1,380 ft²Bigger

Bigger than 35% of homes nearby

Lot size2,535 ft²
SmallerTypical 0.61 acBigger

Bigger than 8% of homes nearby

Year built1883
OlderTypical 1979Newer

Newer than 10% of homes nearby

How 321 Diagonal St ranks against every home in each area.
MeasureThis homeLansing 52151Allamakee County
Estimated valuepricier than$159,88015% of homes33% of homes
Price per ft²pricier than$13520% of homes43% of homes
Living areabigger than1,183 ft²35% of homes31% of homes
Lot sizebigger than2,535 ft²8% of homes7% of homes
Year builtnewer than188310% of homes6% of homes

About 321 Diagonal St

How much is 321 Diagonal St, Lansing, IA worth?

The TopHap Estimate for 321 Diagonal St, Lansing, IA is $159,880 as of Aug 30, 2026. The likely range is $122,806 to $196,954. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Diagonal St, Lansing, IA last sell?

321 Diagonal St, Lansing, IA last sold on Mar 31, 2025, according to the county's recorded deed.

How big is 321 Diagonal St, Lansing, IA?

321 Diagonal St, Lansing, IA has 3 bedrooms, 2 bathrooms, 1,183 square feet of living space and a 0.06-acre lot.

When was 321 Diagonal St, Lansing, IA built?

321 Diagonal St, Lansing, IA was built in 1883, making it 143 years old. It is a conventional home. The building has 2 stories.

What schools serve 321 Diagonal St, Lansing, IA?

321 Diagonal St, Lansing, IA is assigned to Kee High School (high), rated A; Lansing Middle School (middle), rated A-; New Albin Elementary School (elementary), rated B. All sit in Eastern Allamakee Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Diagonal St, Lansing, IA compare to other homes in Lansing 52151?

Among the 1,397 homes in Lansing 52151, it is worth more than 15% of them ($159,880 against a typical $278,546), its price per square foot is higher than 20% of them ($135 against a typical $202), it is bigger than 35% of them (1,183 ft² against a typical 1,380 ft²), its lot is bigger than 8% of them (2,535 ft² against a typical 0.61 ac) and it is newer than 10% of them (1883 against a typical 1979). Measured against all of Allamakee 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 321 Diagonal St, Lansing, IA?

The 2024 property tax bill for 321 Diagonal St, Lansing, IA was $1,268. The county assessed it at $93,200.

More homes on Diagonal St

Closest homes

More homes in Lansing 52151

Assigned schools

Explore the area

See this home in context

Open 321 Diagonal St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map