Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$73,102$86 / 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 75How 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 $6,376 on Aug 31, 2023

140 SAINT LOUIS ST

WEST ALTON, MO 63386
2
Beds
1
Baths
850 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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

$73K
$55K low$91K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,376 · Aug 31, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$578 (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.$6,805 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$6,783
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$35,817

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.15 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyST. CHARLES
Lot (acres)The size of the land the home sits on, from county records.0.32
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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.Porch · 336 ft²

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Orchard Farm Elementary SchoolA
Elementary · Grades KG–5 · 12.2 mi
M
Orchard Farm Middle SchoolA
Middle · Grades 6–8 · 12.3 mi
H
Orchard Farm High SchoolB
High · Grades 9–12 · 12.4 mi

District: Orchard Farm R-V School District

Neighborhood · ZIP 63386These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.124

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
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.692
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,880
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,128
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

140 Saint Louis 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 St. Charles County
  • Among the lowest price per square foot in St. Charles County
  • Smaller than 98% of homes in St. Charles County
  • Has a bigger lot than 77% of homes in St. Charles County
  • Among the oldest homes in St. Charles County

What homes are worth in West Alton 63386

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

This home
$48K$293K

This home is worth more than 17% of homes in West Alton 63386.

How it measures up in West Alton 63386

The dot is this home. The mark in the middle is the typical home in West Alton 63386.

Estimated value$73,102
CheaperTypical $126,690Pricier

Pricier than 17% of homes nearby

Price per ft²$86
CheaperTypical $101Pricier

Pricier than 31% of homes nearby

Living area850 ft²
SmallerTypical 1,204 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.32 ac
SmallerTypical 1,786 ft²Bigger

Bigger than 76% of homes nearby

Year built1940
OlderTypical 1986Newer

Newer than 6% of homes nearby

How 140 Saint Louis St ranks against every home in each area.
MeasureThis homeWest Alton 63386St. Charles County
Estimated valuepricier than$73,10217% of homesalmost no homes
Price per ft²pricier than$8631% of homesalmost no homes
Living areabigger than850 ft²20% of homes2% of homes
Lot sizebigger than0.32 ac76% of homes77% of homes
Year builtnewer than19406% of homesalmost no homes

About 140 Saint Louis St

How much is 140 Saint Louis St, West Alton, MO worth?

The TopHap Estimate for 140 Saint Louis St, West Alton, MO is $73,102 as of Sep 24, 2026. The likely range is $55,100 to $91,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 140 Saint Louis St, West Alton, MO last sell?

140 Saint Louis St, West Alton, MO last sold on Aug 31, 2023 for $6,376, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 140 Saint Louis St, West Alton, MO?

140 Saint Louis St, West Alton, MO has 2 bedrooms, 1 bathrooms, 850 square feet of living space and a 0.32-acre lot.

When was 140 Saint Louis St, West Alton, MO built?

140 Saint Louis St, West Alton, MO was built in 1940, making it 86 years old. It is a ranch home. The building has 1 story.

What schools serve 140 Saint Louis St, West Alton, MO?

140 Saint Louis St, West Alton, MO is assigned to Orchard Farm Elementary School (elementary), rated A; Orchard Farm Middle School (middle), rated A; Orchard Farm High School (high), rated B. All sit in Orchard Farm R-V School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 140 Saint Louis St, West Alton, MO compare to other homes in West Alton 63386?

Among the 618 homes in West Alton 63386, it is worth more than 17% of them ($73,102 against a typical $126,690), its price per square foot is higher than 31% of them ($86 against a typical $101), it is bigger than 20% of them (850 ft² against a typical 1,204 ft²), its lot is bigger than 76% of them (0.32 ac against a typical 1,786 ft²) and it is newer than 6% of them (1940 against a typical 1986). Measured against all of St. Charles 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 140 Saint Louis St, West Alton, MO?

The 2025 property tax bill for 140 Saint Louis St, West Alton, MO was $578. The county assessed it at $6,805.

More homes on Saint Louis St

Closest homes

More homes in West Alton 63386

Assigned schools

Explore the area

See this home in context

Open 140 Saint Louis St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map