641 Sontag Rd, Ballwin, MO 63021 Property Records

St. Louis County property record for 641 Sontag Rd, Ballwin, MO 63021 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Architecture Style	Bungalow
Year Built	Built 1925
Square Footage	1,260 sqft Living Area
Lot Size	43,560 sqft (1 acres)
Occupancy	Owner Occupied
Tax Bill	$2,538.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`25S-2-1-016-7`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	7 Rooms
Building Area	1,260 sqft Living Area
1st Floor	720 sqft 1st Floor
Family Room	Family Room
Game Room	Game Room
Stories	2 Stories

Exterior

Year Built	Built 1925
Architectural Style	Bungalow Style
Exterior Material	Aluminum/Vinyl Exterior
Foundation Type	Raised Foundation
Lot Area	43,560 sqft (1 acres)
Depth X Width	218 ft x 200 ft Depth x Width

Exterior Amenities

Shed	1 Shed
Shed Area	48 sqft Shed
Deck Area	436 sqft Deck
Patio Area	436 sqft Patio
Topography	Above Road/Slope Topography

Utilities and HVAC

Cooling System	Other Cooling
Heating System	Forced Air Heating
Heating Fuel	Gas Heating Fuel
Water Source	Commercial Water Source

Location & Zoning

Street Address	641 SONTAG RD
City	BALLWIN
State	MO
Zip	63021-7215
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	CASTLEWOOD CAMP LOT PT L
Legal Subdivision	CASTLEWOOD CAMP
Legal Tract	L
Legal Lot Number	L
Jurisdiction	ST LOUIS MO
Minor Civil Division	MERAMEC
Census Blockgroup	3
Census Block	3006
Census Tract	217921

Owner

Source: St. Louis County records · APN 25S-2-1-016-7

Assessment roll updated May 31, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	641 SONTAG RD, BALLWIN, MO 63021-7215
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 20, 1972
Deed Sale	Oct 20, 1972
Deed Doc Number	1972102000242
Record Refreshed	Jun 08, 2026

Tax Assessment & Valuation

Source: St. Louis County records · Assessment roll updated May 31, 2025 · Last verified February 2026

Property Jurisdictions

Type	Name
State	Missouri
County	St. Louis County
Unified School District	Rockwood R-VI School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$36,100 (-31.71%) Land $20,200 Building $15,900	$190,000 (-31.7%) Land $106,300 Building $83,700
2024	$2,538.00 (-31.41%)
2023	$3,700.00 (+86.21%)	$52,860 (+98.95%) Land $30,310 Building $22,550	$278,200 (+99%) Land $159,500 Building $118,700
2022	$1,987.00	$26,570 Land $8,840 Building $17,730
2021			$139,800 Land $46,500 Building $93,300

Flood & Wildfire

641 Sontag Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (Low risk).

Flood

Source: FEMA National Flood Hazard Layer · St. Louis County (29189C), updated August 10, 2025

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Low 20th percentile of exposed land nationally · 15th in Missouri
Wildfire Likelihood	Low — about 1 in 5,556 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.