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Single Family ResidenceResidential
$208,117$226 / 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 96How 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 $157,700 on Dec 18, 2019

133 ROCK ISLAND DR

UNION, MO 63084
3
Beds
1
Baths
919 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.
1999
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$208K
$200K low$216K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$157,700 · Dec 18, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,652 (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.$27,706 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$24,379
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$145,820

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.56
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
42
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.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)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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.

H
Union High SchoolC+
High · Grades 9–12 · 0.5 mi
M
Union Middle SchoolA
Middle · Grades 7–8 · 0.6 mi
E
Central Elementary SchoolB
Elementary · Grades KG–3 · 0.8 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

133 Rock Island Dr 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 78% of homes in Union 63084
  • Costs more per square foot than 75% of homes in Union 63084
  • Smaller than 89% of homes in Union 63084
  • Has a smaller lot than 79% of homes in Franklin County
  • Newer than 74% 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
$89K$642K

This home is worth more than 22% 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$208,117
CheaperTypical $269,038Pricier

Pricier than 22% of homes nearby

Price per ft²$226
CheaperTypical $201Pricier

Pricier than 75% of homes nearby

Living area919 ft²
SmallerTypical 1,335 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.2 ac
SmallerTypical 0.5 acBigger

Bigger than 27% of homes nearby

Year built1999
OlderTypical 1989Newer

Newer than 68% of homes nearby

How 133 Rock Island Dr ranks against every home in each area.
MeasureThis homeUnion 63084Franklin County
Estimated valuepricier than$208,11722% of homes26% of homes
Price per ft²pricier than$22675% of homes70% of homes
Living areabigger than919 ft²11% of homes12% of homes
Lot sizebigger than0.2 ac27% of homes21% of homes
Year builtnewer than199968% of homes74% of homes

About 133 Rock Island Dr

How much is 133 Rock Island Dr, Union, MO worth?

The TopHap Estimate for 133 Rock Island Dr, Union, MO is $208,117 as of Aug 30, 2026. The likely range is $200,319 to $215,915. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 133 Rock Island Dr, Union, MO last sell?

133 Rock Island Dr, Union, MO last sold on Dec 18, 2019 for $157,700, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 133 Rock Island Dr, Union, MO?

133 Rock Island Dr, Union, MO has 3 bedrooms, 1 bathrooms, 919 square feet of living space and a 0.20-acre lot.

When was 133 Rock Island Dr, Union, MO built?

133 Rock Island Dr, Union, MO was built in 1999, making it 27 years old. The building has 1 story.

What schools serve 133 Rock Island Dr, Union, MO?

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

How does 133 Rock Island Dr, Union, MO compare to other homes in Union 63084?

Among the 7,103 homes in Union 63084, it is worth more than 22% of them ($208,117 against a typical $269,038), its price per square foot is higher than 75% of them ($226 against a typical $201), it is bigger than 11% of them (919 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 68% of them (1999 against a typical 1989). Measured against all of Franklin County, it is worth more than 26% 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 133 Rock Island Dr, Union, MO?

The 2025 property tax bill for 133 Rock Island Dr, Union, MO was $1,652. The county assessed it at $27,706.

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