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Single Family ResidentialResidential
$137,838$136 / 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
Last sold for $10,000 on Sep 8, 2025

400 WASHINGTON ST

DIAGONAL, IA 50845
3
Beds
1
Baths
1,014 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.
0.48 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.

Valuation

$138K
$109K low$167K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,000 · Sep 8, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$512 (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.$48,317 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,650
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,667
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$49,567
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$48,317

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyRINGGOLD
Lot (acres)The size of the land the home sits on, from county records.0.48
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Diagonal Elementary SchoolB
Elementary · Grades PK–5 · 0.2 mi
M
Diagonal Junior-Senior High SchoolD-
Middle · Grades 6–12 · 0.2 mi

District: Diagonal Community School District

Neighborhood · ZIP 50845These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.127
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.84%
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.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,084
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,413
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

400 Washington 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.

  • Has a smaller lot than 72% of homes in Diagonal 50845
  • Older than 84% of homes in Ringgold County

What homes are worth in Diagonal 50845

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

This home
$48K$333K

This home is worth more than 50% of homes in Diagonal 50845.

How it measures up in Diagonal 50845

The dot is this home. The mark in the middle is the typical home in Diagonal 50845.

Estimated value$137,838
CheaperTypical $137,838Pricier

Pricier than 50% of homes nearby

Price per ft²$136
CheaperTypical $137Pricier

Pricier than 49% of homes nearby

Living area1,014 ft²
SmallerTypical 960 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.48 ac
SmallerTypical 4.5 acBigger

Bigger than 28% of homes nearby

Year built1900
OlderTypical 1930Newer

Newer than 35% of homes nearby

How 400 Washington St ranks against every home in each area.
MeasureThis homeDiagonal 50845Ringgold County
Estimated valuepricier than$137,83850% of homes39% of homes
Price per ft²pricier than$13649% of homes41% of homes
Living areabigger than1,014 ft²55% of homes48% of homes
Lot sizebigger than0.48 ac28% of homes47% of homes
Year builtnewer than190035% of homes16% of homes

About 400 Washington St

How much is 400 Washington St, Diagonal, IA worth?

The TopHap Estimate for 400 Washington St, Diagonal, IA is $137,838 as of Sep 24, 2026. The likely range is $108,584 to $167,092. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Washington St, Diagonal, IA last sell?

400 Washington St, Diagonal, IA last sold on Sep 8, 2025 for $10,000, according to the county's recorded deed.

How big is 400 Washington St, Diagonal, IA?

400 Washington St, Diagonal, IA has 3 bedrooms, 1 bathrooms, 1,014 square feet of living space and a 0.48-acre lot.

When was 400 Washington St, Diagonal, IA built?

400 Washington St, Diagonal, IA was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 400 Washington St, Diagonal, IA?

400 Washington St, Diagonal, IA is assigned to Diagonal Elementary School (elementary), rated B; Diagonal Junior-Senior High School (middle), rated D-. All sit in Diagonal Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 Washington St, Diagonal, IA compare to other homes in Diagonal 50845?

Among the 378 homes in Diagonal 50845, it is worth more than 50% of them ($137,838 against a typical $137,838), its price per square foot is higher than 49% of them ($136 against a typical $137), it is bigger than 55% of them (1,014 ft² against a typical 960 ft²), its lot is bigger than 28% of them (0.48 ac against a typical 4.5 ac) and it is newer than 35% of them (1900 against a typical 1930). Measured against all of Ringgold County, it is worth more than 39% 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 400 Washington St, Diagonal, IA?

The 2025 property tax bill for 400 Washington St, Diagonal, IA was $512. The county assessed it at $48,317.

More homes on Washington St

Closest homes

More homes in Diagonal 50845

Assigned schools

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