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Single Family ResidentialResidential
$57,855$69 / 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 92How 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

490 LINN ST

UNION STAR, MO 64494
2
Beds
1
Baths
840 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$58K
$53K low$63K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$462 (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.$5,510 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,210
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$28,973

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
41
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
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 Residential
CountyDeKalb
Lot (acres)The size of the land the home sits on, from county records.0.60
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.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 144 ft²

Transaction History(1)

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.

M
Union Star High SchoolB+
Middle · Grades 6–12 · 0.4 mi
E
Union Star Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi

District: Union Star R-Ii School District

Neighborhood · ZIP 64494These 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.148
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.666
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,989
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,266
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

490 Linn 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.

  • Among the least valuable homes in DeKalb County
  • Costs less per square foot than 97% of homes in DeKalb County
  • Smaller than 93% of homes in DeKalb County
  • Has a smaller lot than 67% of homes in Union Star 64494
  • Older than 85% of homes in DeKalb County

What homes are worth in Union Star 64494

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

This home
$58K$653K

This home is worth more than 2% of homes in Union Star 64494.

How it measures up in Union Star 64494

The dot is this home. The mark in the middle is the typical home in Union Star 64494.

Estimated value$57,855
CheaperTypical $207,207Pricier

Pricier than 2% of homes nearby

Price per ft²$69
CheaperTypical $127Pricier

Pricier than 12% of homes nearby

Living area840 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.6 ac
SmallerTypical 2.93 acBigger

Bigger than 33% of homes nearby

Year built1910
OlderTypical 1958Newer

Newer than 24% of homes nearby

How 490 Linn St ranks against every home in each area.
MeasureThis homeUnion Star 64494DeKalb County
Estimated valuepricier than$57,8552% of homesalmost no homes
Price per ft²pricier than$6912% of homes3% of homes
Living areabigger than840 ft²8% of homes7% of homes
Lot sizebigger than0.6 ac33% of homes36% of homes
Year builtnewer than191024% of homes15% of homes

About 490 Linn St

How much is 490 Linn St, Union Star, MO worth?

The TopHap Estimate for 490 Linn St, Union Star, MO is $57,855 as of Aug 30, 2026. The likely range is $53,051 to $62,659. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 490 Linn St, Union Star, MO last sell?

490 Linn St, Union Star, MO last sold on Oct 27, 2017, according to the county's recorded deed.

How big is 490 Linn St, Union Star, MO?

490 Linn St, Union Star, MO has 2 bedrooms, 1 bathrooms, 840 square feet of living space and a 0.60-acre lot.

When was 490 Linn St, Union Star, MO built?

490 Linn St, Union Star, MO was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 490 Linn St, Union Star, MO?

490 Linn St, Union Star, MO is assigned to Union Star High School (middle), rated B+; Union Star Elementary School (elementary), rated A+. All sit in Union Star R-Ii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 490 Linn St, Union Star, MO compare to other homes in Union Star 64494?

Among the 448 homes in Union Star 64494, it is worth more than 2% of them ($57,855 against a typical $207,207), its price per square foot is higher than 12% of them ($69 against a typical $127), it is bigger than 8% of them (840 ft² against a typical 1,500 ft²), its lot is bigger than 33% of them (0.6 ac against a typical 2.93 ac) and it is newer than 24% of them (1910 against a typical 1958). Measured against all of DeKalb County, it is worth more than almost no 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 490 Linn St, Union Star, MO?

The 2025 property tax bill for 490 Linn St, Union Star, MO was $462. The county assessed it at $5,510.

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