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Rural ResidenceResidential
$467,688$181 / 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 88How 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

620 WALNUT ST

ONAGA, KS 66521
5
Beds
3
Baths
2,591 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.
15.64 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
1
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

$468K
$411K low$524K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,884 (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.$40,704 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,144
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$38,694
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$328,670

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.197 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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyPOTTAWATOMIE
Lot (acres)The size of the land the home sits on, from county records.15.64
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.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 160 ft²Patio · 588 ft²Porch · 2,848 ft²

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

E
Onaga Elementary SchoolC+
Elementary · Grades PK–5 · 0.7 mi
H
Onaga Senior High SchoolA-
High · Grades 9–12 · 0.7 mi
M
Onaga Middle SchoolB+
Middle · Grades 6–8 · 0.7 mi

District: Onaga-Havensville-Wheaton Unified School District 322

Neighborhood · ZIP 66521These 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.166
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.1,925
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,814
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,947
Average tempThe average temperature here across a full year.54°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

620 Walnut 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 91% of homes in Onaga 66521
  • Costs less per square foot than 72% of homes in Pottawatomie County
  • Bigger than 96% of homes in Onaga 66521
  • Has a bigger lot than 89% of homes in Pottawatomie County
  • Newer than 90% of homes in Onaga 66521

What homes are worth in Onaga 66521

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

This home
$92K$600K

This home is worth more than 91% of homes in Onaga 66521.

How it measures up in Onaga 66521

The dot is this home. The mark in the middle is the typical home in Onaga 66521.

Estimated value$467,688
CheaperTypical $216,620Pricier

Pricier than 91% of homes nearby

Price per ft²$181
CheaperTypical $148Pricier

Pricier than 63% of homes nearby

Living area2,591 ft²
SmallerTypical 1,466 ft²Bigger

Bigger than 96% of homes nearby

Lot size15.64 ac
SmallerTypical 1 acBigger

Bigger than 74% of homes nearby

Year built2006
OlderTypical 1930Newer

Newer than 90% of homes nearby

How 620 Walnut St ranks against every home in each area.
MeasureThis homeOnaga 66521Pottawatomie County
Estimated valuepricier than$467,68891% of homes82% of homes
Price per ft²pricier than$18163% of homes28% of homes
Living areabigger than2,591 ft²96% of homes95% of homes
Lot sizebigger than15.64 ac74% of homes89% of homes
Year builtnewer than200690% of homes72% of homes

About 620 Walnut St

How much is 620 Walnut St, Onaga, KS worth?

The TopHap Estimate for 620 Walnut St, Onaga, KS is $467,688 as of Sep 24, 2026. The likely range is $411,039 to $524,337. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 620 Walnut St, Onaga, KS last sell?

620 Walnut St, Onaga, KS last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 620 Walnut St, Onaga, KS?

620 Walnut St, Onaga, KS has 5 bedrooms, 3 bathrooms, 2,591 square feet of living space and a 15.64-acre lot.

When was 620 Walnut St, Onaga, KS built?

620 Walnut St, Onaga, KS was built in 2006, making it 20 years old. It is a conventional home. The building has 1 story.

What schools serve 620 Walnut St, Onaga, KS?

620 Walnut St, Onaga, KS is assigned to Onaga Elementary School (elementary), rated C+; Onaga Senior High School (high), rated A-; Onaga Middle School (middle), rated B+. All sit in Onaga-Havensville-Wheaton Unified School District 322. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 620 Walnut St, Onaga, KS compare to other homes in Onaga 66521?

Among the 693 homes in Onaga 66521, it is worth more than 91% of them ($467,688 against a typical $216,620), its price per square foot is higher than 63% of them ($181 against a typical $148), it is bigger than 96% of them (2,591 ft² against a typical 1,466 ft²), its lot is bigger than 74% of them (15.64 ac against a typical 1 ac) and it is newer than 90% of them (2006 against a typical 1930). Measured against all of Pottawatomie County, it is worth more than 82% 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 620 Walnut St, Onaga, KS?

The 2024 property tax bill for 620 Walnut St, Onaga, KS was $4,884. The county assessed it at $40,704.

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