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Single Family ResidenceResidential
$241,331$97 / 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 95How 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 $105,000 on Nov 1, 2005

820 UNION ST

OSKALOOSA, KS 66066
5
Beds
2.5
Baths
2,485 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1885
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$241K
$229K low$254K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$105,000 · Nov 1, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,166 (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.$26,335 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,291
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,044
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$25,357
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$229,000

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
43
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
58
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyJEFFERSON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1950
Lot (acres)The size of the land the home sits on, from county records.0.51
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 · 184 ft²Patio · 192 ft²

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

M
Oskaloosa Jr-Sr High SchoolC
Middle · Grades 7–12 · 0.7 mi
E
Oskaloosa Elementary SchoolC+
Elementary · Grades PK–6 · 0.7 mi

District: Oskaloosa Public Schools Unified School District 341

Neighborhood · ZIP 66066These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.2,653
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.34 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,115
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,836
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

820 Union 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.

  • Costs less per square foot than 96% of homes in Oskaloosa 66066
  • Bigger than 93% of homes in Oskaloosa 66066
  • Has a smaller lot than 70% of homes in Oskaloosa 66066
  • Older than 98% of homes in Jefferson County

What homes are worth in Oskaloosa 66066

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

This home
$104K$822K

This home is worth more than 39% of homes in Oskaloosa 66066.

How it measures up in Oskaloosa 66066

The dot is this home. The mark in the middle is the typical home in Oskaloosa 66066.

Estimated value$241,331
CheaperTypical $293,596Pricier

Pricier than 39% of homes nearby

Price per ft²$97
CheaperTypical $188Pricier

Pricier than 4% of homes nearby

Living area2,485 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.51 ac
SmallerTypical 5.68 acBigger

Bigger than 30% of homes nearby

Year built1885
OlderTypical 1978Newer

Newer than 3% of homes nearby

How 820 Union St ranks against every home in each area.
MeasureThis homeOskaloosa 66066Jefferson County
Estimated valuepricier than$241,33139% of homes42% of homes
Price per ft²pricier than$974% of homes8% of homes
Living areabigger than2,485 ft²93% of homes93% of homes
Lot sizebigger than0.51 ac30% of homes37% of homes
Year builtnewer than18853% of homes2% of homes

About 820 Union St

How much is 820 Union St, Oskaloosa, KS worth?

The TopHap Estimate for 820 Union St, Oskaloosa, KS is $241,331 as of Aug 30, 2026. The likely range is $228,781 to $253,881. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 Union St, Oskaloosa, KS last sell?

820 Union St, Oskaloosa, KS last sold on Nov 1, 2005 for $105,000, according to the county's recorded deed.

How big is 820 Union St, Oskaloosa, KS?

820 Union St, Oskaloosa, KS has 5 bedrooms, 2.5 bathrooms, 2,485 square feet of living space and a 0.51-acre lot.

When was 820 Union St, Oskaloosa, KS built?

820 Union St, Oskaloosa, KS was built in 1885, making it 141 years old. The building has 2 stories.

What schools serve 820 Union St, Oskaloosa, KS?

820 Union St, Oskaloosa, KS is assigned to Oskaloosa Jr-Sr High School (middle), rated C; Oskaloosa Elementary School (elementary), rated C+. All sit in Oskaloosa Public Schools Unified School District 341. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 Union St, Oskaloosa, KS compare to other homes in Oskaloosa 66066?

Among the 1,070 homes in Oskaloosa 66066, it is worth more than 39% of them ($241,331 against a typical $293,596), its price per square foot is higher than 4% of them ($97 against a typical $188), it is bigger than 93% of them (2,485 ft² against a typical 1,520 ft²), its lot is bigger than 30% of them (0.51 ac against a typical 5.68 ac) and it is newer than 3% of them (1885 against a typical 1978). Measured against all of Jefferson County, it is worth more than 42% 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 820 Union St, Oskaloosa, KS?

The 2025 property tax bill for 820 Union St, Oskaloosa, KS was $4,166. The county assessed it at $26,335.

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