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Single Family ResidenceResidential
$1,315,214$139 / 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 Sep 24, 2026
Last sold for $825,000 on Apr 27, 2020

21 OLD GOVERNOR PL

SAINT CHARLES, MO 63301
5
Beds
5.5
Baths
9,458 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.
7.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · Apr 27, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,618 (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.$194,249 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$170,689
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,022,366

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.197 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
CountyST. CHARLES
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Carport (Unspecified)
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 · 520 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.

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

M
Orchard Farm Middle SchoolB-
Middle · Grades 6–8 · 7.6 mi
E
Orchard Farm Elementary SchoolA-
Elementary · Grades KG–5 · 7.7 mi
H
Orchard Farm High SchoolB-
High · Grades 9–12 · 7.8 mi

District: Orchard Farm R-V School District

Neighborhood · ZIP 63301These 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.120
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 100.118

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.53,106
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.552 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,101
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,805
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%

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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

21 Old Governor Pl 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 most valuable homes in Saint Charles 63301
  • Costs less per square foot than 89% of homes in St. Charles County
  • Among the largest homes in Saint Charles 63301
  • Among the largest lots in Saint Charles 63301
  • Among the oldest homes in St. Charles County

What homes are worth in Saint Charles 63301

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

This home
$150K$678K

This home is worth more than almost all homes in Saint Charles 63301.

How it measures up in Saint Charles 63301

The dot is this home. The mark in the middle is the typical home in Saint Charles 63301.

Estimated value$1,315,214
CheaperTypical $307,324Pricier

Pricier than almost all homes nearby

Price per ft²$139
CheaperTypical $184Pricier

Pricier than 15% of homes nearby

Living area9,458 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than almost all homes nearby

Lot size7.37 ac
SmallerTypical 0.19 acBigger

Bigger than almost all homes nearby

Year built1926
OlderTypical 1972Newer

Newer than 6% of homes nearby

How 21 Old Governor Pl ranks against every home in each area.
MeasureThis homeSaint Charles 63301St. Charles County
Estimated valuepricier than$1,315,214almost all homesalmost all homes
Price per ft²pricier than$13915% of homes11% of homes
Living areabigger than9,458 ft²almost all homesalmost all homes
Lot sizebigger than7.37 acalmost all homesalmost all homes
Year builtnewer than19266% of homesalmost no homes

About 21 Old Governor Pl

How much is 21 Old Governor Pl, Saint Charles, MO worth?

The TopHap Estimate for 21 Old Governor Pl, Saint Charles, MO is $1,315,214 as of Sep 24, 2026. The likely range is $1,213,676 to $1,416,752. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Old Governor Pl, Saint Charles, MO last sell?

21 Old Governor Pl, Saint Charles, MO last sold on Apr 27, 2020 for $825,000, according to the county's recorded deed.

How big is 21 Old Governor Pl, Saint Charles, MO?

21 Old Governor Pl, Saint Charles, MO has 5 bedrooms, 5.5 bathrooms and 9,458 square feet of living space.

When was 21 Old Governor Pl, Saint Charles, MO built?

21 Old Governor Pl, Saint Charles, MO was built in 1926, making it 100 years old. The building has 1 story.

What schools serve 21 Old Governor Pl, Saint Charles, MO?

21 Old Governor Pl, Saint Charles, MO is assigned to Orchard Farm Middle School (middle), rated B-; Orchard Farm Elementary School (elementary), 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 21 Old Governor Pl, Saint Charles, MO compare to other homes in Saint Charles 63301?

Among the 18,974 homes in Saint Charles 63301, it is worth more than almost all of them ($1,315,214 against a typical $307,324), its price per square foot is higher than 15% of them ($139 against a typical $184), it is bigger than almost all of them (9,458 ft² against a typical 1,716 ft²), its lot is bigger than almost all of them (7.37 ac against a typical 0.19 ac) and it is newer than 6% of them (1926 against a typical 1972). Measured against all of St. Charles County, it is worth more than almost all 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 21 Old Governor Pl, Saint Charles, MO?

The 2025 property tax bill for 21 Old Governor Pl, Saint Charles, MO was $12,618. The county assessed it at $194,249.

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