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Single Family ResidenceResidential
$346,312$217 / 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 Sep 24, 2026
Last sold for $179,387 on Jun 4, 2010

20 WESTMINSTER LN

UNION, MO 63084
3
Beds
3
Baths
1,596 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$346K
$328K low$365K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$179,387 · Jun 4, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,979 (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.$49,966 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,043
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$262,980

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.49
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
46
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
81
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
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
CountyFRANKLIN
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 200 ft²

Transaction History(5)

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
Central Elementary SchoolB
Elementary · Grades KG–3 · 4.2 mi
M
Union Middle SchoolA
Middle · Grades 7–8 · 4.6 mi
H
Union High SchoolC+
High · Grades 9–12 · 5.4 mi

District: Union R-Xi School District

Neighborhood · ZIP 63084These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.99

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.20,185
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.264 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,433
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

20 Westminster Ln 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 76% of homes in Union 63084
  • Costs more per square foot than 69% of homes in Union 63084
  • Bigger than 71% of homes in Union 63084
  • Has a smaller lot than 78% of homes in Franklin County
  • Newer than 84% of homes in Franklin County

What homes are worth in Union 63084

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

This home
$116K$642K

This home is worth more than 76% of homes in Union 63084.

How it measures up in Union 63084

The dot is this home. The mark in the middle is the typical home in Union 63084.

Estimated value$346,312
CheaperTypical $267,086Pricier

Pricier than 76% of homes nearby

Price per ft²$217
CheaperTypical $198Pricier

Pricier than 69% of homes nearby

Living area1,596 ft²
SmallerTypical 1,335 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.2 ac
SmallerTypical 0.5 acBigger

Bigger than 27% of homes nearby

Year built2005
OlderTypical 1989Newer

Newer than 81% of homes nearby

How 20 Westminster Ln ranks against every home in each area.
MeasureThis homeUnion 63084Franklin County
Estimated valuepricier than$346,31276% of homes67% of homes
Price per ft²pricier than$21769% of homes62% of homes
Living areabigger than1,596 ft²71% of homes64% of homes
Lot sizebigger than0.2 ac27% of homes22% of homes
Year builtnewer than200581% of homes84% of homes

About 20 Westminster Ln

How much is 20 Westminster Ln, Union, MO worth?

The TopHap Estimate for 20 Westminster Ln, Union, MO is $346,312 as of Sep 24, 2026. The likely range is $327,786 to $364,838. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Westminster Ln, Union, MO last sell?

20 Westminster Ln, Union, MO last sold on Jun 4, 2010 for $179,387, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Westminster Ln, Union, MO?

20 Westminster Ln, Union, MO has 3 bedrooms, 3 bathrooms, 1,596 square feet of living space and a 0.20-acre lot.

When was 20 Westminster Ln, Union, MO built?

20 Westminster Ln, Union, MO was built in 2005, making it 21 years old. The building has 1 story.

What schools serve 20 Westminster Ln, Union, MO?

20 Westminster Ln, Union, MO is assigned to Central Elementary School (elementary), rated B; Union Middle School (middle), rated A; Union High School (high), rated C+. All sit in Union R-Xi School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Westminster Ln, Union, MO compare to other homes in Union 63084?

Among the 7,103 homes in Union 63084, it is worth more than 76% of them ($346,312 against a typical $267,086), its price per square foot is higher than 69% of them ($217 against a typical $198), it is bigger than 71% of them (1,596 ft² against a typical 1,335 ft²), its lot is bigger than 27% of them (0.2 ac against a typical 0.5 ac) and it is newer than 81% of them (2005 against a typical 1989). Measured against all of Franklin County, it is worth more than 67% 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 20 Westminster Ln, Union, MO?

The 2025 property tax bill for 20 Westminster Ln, Union, MO was $2,979. The county assessed it at $49,966.

More homes on Westminster Ln

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