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Single Family ResidenceResidential
$142,368$142 / 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 74How 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
Last sold for $17,091 on Sep 15, 1994

520 NW WALNUT AVE

EARLHAM, IA 50072
5
Beds
1
Baths
1,000 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$142K
$106K low$179K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$17,091 · Sep 15, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,316 (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.$230,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$214,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$230,400

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyMadison
Lot (acres)The size of the land the home sits on, from county records.0.40
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Geo-Thermal
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 240 ft²Porch · 384 ft²

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

E
Earlham ElementaryA
Elementary · Grades PK–6 · 0.2 mi
H
Earlham High SchoolA-
High · Grades 9–12 · 0.2 mi
M
Earlham Middle SchoolC
Middle · Grades 7–8 · 0.2 mi

District: Earlham Community School District

Neighborhood · ZIP 50072These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.130
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.3,198
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.38 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,320
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,299
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.60%

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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

520 Nw Walnut 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 93% of homes in Earlham 50072
  • Costs less per square foot than 77% of homes in Madison County
  • Smaller than 92% of homes in Earlham 50072

What homes are worth in Earlham 50072

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

This home
$111K$900K

This home is worth more than 7% of homes in Earlham 50072.

How it measures up in Earlham 50072

The dot is this home. The mark in the middle is the typical home in Earlham 50072.

Estimated value$142,368
CheaperTypical $315,331Pricier

Pricier than 7% of homes nearby

Price per ft²$142
CheaperTypical $193Pricier

Pricier than 25% of homes nearby

Living area1,000 ft²
SmallerTypical 1,641 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.39 ac
SmallerTypical 2.88 acBigger

Bigger than 37% of homes nearby

Year built1968
OlderTypical 1976Newer

Newer than 43% of homes nearby

How 520 Nw Walnut Ave ranks against every home in each area.
MeasureThis homeEarlham 50072Madison County
Estimated valuepricier than$142,3687% of homes8% of homes
Price per ft²pricier than$14225% of homes23% of homes
Living areabigger than1,000 ft²8% of homes12% of homes
Lot sizebigger than0.39 ac37% of homes36% of homes
Year builtnewer than196843% of homes40% of homes

About 520 Nw Walnut Ave

How much is 520 Nw Walnut Ave, Earlham, IA worth?

The TopHap Estimate for 520 Nw Walnut Ave, Earlham, IA is $142,368 as of Aug 30, 2026. The likely range is $105,742 to $178,994. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Nw Walnut Ave, Earlham, IA last sell?

520 Nw Walnut Ave, Earlham, IA last sold on Sep 15, 1994 for $17,091, according to the county's recorded deed.

How big is 520 Nw Walnut Ave, Earlham, IA?

520 Nw Walnut Ave, Earlham, IA has 5 bedrooms, 1 bathrooms, 1,000 square feet of living space and a 0.40-acre lot.

When was 520 Nw Walnut Ave, Earlham, IA built?

520 Nw Walnut Ave, Earlham, IA was built in 1968, making it 58 years old. The building has 1 story.

What schools serve 520 Nw Walnut Ave, Earlham, IA?

520 Nw Walnut Ave, Earlham, IA is assigned to Earlham Elementary (elementary), rated A; Earlham High School (high), rated A-; Earlham Middle School (middle), rated C. All sit in Earlham Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Nw Walnut Ave, Earlham, IA compare to other homes in Earlham 50072?

Among the 1,085 homes in Earlham 50072, it is worth more than 7% of them ($142,368 against a typical $315,331), its price per square foot is higher than 25% of them ($142 against a typical $193), it is bigger than 8% of them (1,000 ft² against a typical 1,641 ft²), its lot is bigger than 37% of them (0.39 ac against a typical 2.88 ac) and it is newer than 43% of them (1968 against a typical 1976). Measured against all of Madison County, it is worth more than 8% 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 520 Nw Walnut Ave, Earlham, IA?

The 2024 property tax bill for 520 Nw Walnut Ave, Earlham, IA was $3,316. The county assessed it at $230,400.

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