Skip to content
Skip to content
TopHapOpen in map
Vacant LandVacant Land

711 SONTAG RD

BALLWIN, MO 63021
0
Baths
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$162 (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.$2,380 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,380
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$12,500

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.60
93
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
40
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
87
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
74
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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.98 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Vacant Land
CountyST. LOUIS
Lot (acres)The size of the land the home sits on, from county records.0.34
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Woerther Elementary SchoolA+
Elementary · Grades KG–5 · 1.7 mi
M
Selvidge Middle SchoolA+
Middle · Grades 6–8 · 2.2 mi
H
Marquette High SchoolA+
High · Grades 9–12 · 4.9 mi

District: Rockwood R-Vi School District

Neighborhood · ZIP 63021These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.129

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
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.55,113
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,498 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,595
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,969
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%

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

711 Sontag Rd 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.

  • Has a bigger lot than 82% of homes in Ballwin 63021

How it measures up in Ballwin 63021

The dot is this home. The mark in the middle is the typical home in Ballwin 63021.

Lot size0.34 ac
SmallerTypical 0.21 acBigger

Bigger than 82% of homes nearby

How 711 Sontag Rd ranks against every home in each area.
MeasureThis homeBallwin 63021St. Louis County
Lot sizebigger than0.34 ac82% of homes80% of homes

About 711 Sontag Rd

When did 711 Sontag Rd, Ballwin, MO last sell?

711 Sontag Rd, Ballwin, MO last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 711 Sontag Rd, Ballwin, MO?

711 Sontag Rd, Ballwin, MO is assigned to Woerther Elementary School (elementary), rated A+; Selvidge Middle School (middle), rated A+; Marquette High School (high), rated A+. All sit in Rockwood R-Vi School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 711 Sontag Rd, Ballwin, MO?

The 2025 property tax bill for 711 Sontag Rd, Ballwin, MO was $162. The county assessed it at $2,380.

More homes on Sontag Rd

Closest homes

More homes in Ballwin 63021

Assigned schools

Explore the area

See this home in context

Open 711 Sontag Rd 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