323 Marsten Ct, Ballwin, MO 63021 Property Records

St. Louis County property record for 323 Marsten Ct, Ballwin, MO 63021 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	3 Baths
Year Built	Built 1993
Square Footage	2,144 sqft Living Area
Lot Size	9,583 sqft (0.219 acres)
Occupancy	Owner Occupied
Last Sale	$208,494 (1993)
Tax Bill	$6,098.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`23S-1-1-041-4`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Plumbing Fixtures	14 Plumbing Fixtures
Total Rooms	8 Rooms
Building Area	2,144 sqft Living Area
1st Floor	2,114 sqft 1st Floor
Family Room	Family Room
Game Room	Game Room
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1993
Architectural Style	Ranch Style
Exterior Material	Aluminum/Vinyl Exterior
Foundation Type	Raised Foundation
Lot Area	9,583 sqft (0.219 acres)
Depth X Width	120 ft x 74 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Area	610 sqft Garage

Exterior Amenities

Pool Area	468 sqft Pool
Balcony Area	30 sqft Balcony
Deck Area	212 sqft Deck
Balcony	Balcony
Patio Area	212 sqft Patio
Porch	Open Porch
Porch Area	116 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating
Heating Fuel	Gas Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Street Address	323 MARSTEN CT
City	BALLWIN
State	MO
Zip	63021-8354
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	WESTBROOKE WOODS PLAT EIGHT
Legal Subdivision	WESTBROOKE WOODS PLAT EIGHT
Legal Lot Number	276
Jurisdiction	ST LOUIS MO
Minor Civil Division	MERAMEC
Census Blockgroup	3
Census Block	3009
Census Tract	217944

Owner

Source: St. Louis County records · APN 23S-1-1-041-4

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	Individual Name on File
Mailing Address	323 MARSTEN CT, BALLWIN, MO 63021-8354
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 01, 1993 · Amount on Record
Deed Sale	Aug 01, 1993 · Amount on Record
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
Municipality	Ballwin City
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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$104,630 (+19.85%) Land $29,750 Building $74,880	$550,700 (+19.85%) Land $156,600 Building $394,100
2024	$6,098.00 (+0.08%)
2023	$6,093.00 (+5.09%)	$87,300 (+12.62%) Land $16,510 Building $70,790	$459,500 (+12.62%) Land $86,900 Building $372,600
2022	$5,798.00	$77,520 Land $19,840 Building $57,680
2021			$408,000 Land $104,400 Building $303,600

Flood & Wildfire

323 Marsten Ct 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

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 8,333 per year
Exposure	Direct burnable vegetation at the parcel

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