509 Old State Rd, Ballwin, MO 63021 Property Records

St. Louis County property record for 509 Old State Rd, Ballwin, MO 63021 · Last verified February 2026

Property Highlights

Property Type	Commercial > Office > Office Building
Bedrooms	3 Beds
Bathrooms	1.5 Baths
Year Built	Built 2006
Square Footage	6,171 sqft Total Area
Lot Size	73,181 sqft (1.67 acres)
Occupancy	Owner Occupied
Last Sale	$50,000 (2000)
Tax Bill	$16,374.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`24U-6-4-051-4`
Alternative APN	`24U640044`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Total Rooms	6 Rooms
Building Area	6,171 sqft Total Area
1st Floor	4,095 sqft 1st Floor
Stories	1 Stories
Fireplace	Fireplace

Exterior

Year Built	Built 2006
Exterior Material	Vinyl Exterior
Construction Type	Frame Construction
Fire Resistance Class	Buildings having wood or wood and steel frames.
Lot Area	73,181 sqft (1.67 acres)
Depth X Width	380 ft x 200 ft Depth x Width

Exterior Amenities

Fence	Fence
Shed	1 Shed
Shed Area	720 sqft Shed
Patio Area	359 sqft Patio
Porch	Covered Porch
Topography	Below Road/Slope Topography
Canopy Area	600 sqft Canopy

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating
Water Source	Well Water Source

Location & Zoning

Old Parcel Number	24U640044
Street Address	509 OLD STATE RD
City	BALLWIN
State	MO
Zip	63021-5928
Property Usage	Commercial Property Usage
Type	Commercial > Office > Office Building
Legal Description	SECTION 5-44-4 LOC 530.17 FT S OF OLD STATE INDUSTRIAL COURT LOT 2
Legal Range	04
Legal Township	44
Legal Section	05
Legal Subdivision	SECTION 5-44-4
Legal Lot Number	2
Jurisdiction	ST LOUIS MO
Minor Civil Division	WILDHORSE
Census Blockgroup	1
Census Block	1030
Census Tract	221506

Owner

Source: St. Louis County records · APN 24U-6-4-051-4

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	Company Name on File
Mailing Address	509 OLD STATE RD # B, B, BALLWIN, MO 63021-5928
Occupancy	Owner Occupied
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 14, 2000 · Amount on Record
Deed Sale	Apr 14, 2000 · Amount on Record
Prior Sale	Dec 23, 1997
Deed Doc Number	888
Deed Book / Page	2512 / 0175
Record Refreshed	Jun 08, 2026

December 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	ST LOUIS MO
Recording Date	Dec 20, 2017
Property Address	509 OLD STATE RD, BALLWIN, MO 63021-5928
Document Number	0228260565
Book / Page	022826 / 000565
Instrument Date	Dec 19, 2017
Instrument	156
Transaction Type	Mortgage
Record Updated	Jan 03, 2018

Transaction

Tax	$0.00
Additional	Multiple parcels conveyed, unknown impact to APN

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	525 OLD STATE RD ELLISVILLE MO 630215928, ELLISVILLE, MO 63021-5928

Mortgage

Document Number	228260565
Date	Dec 20, 2017
Book Page	022826/000565
Instrument	156

Lender

Name	TRIAD BK
Type	Bank
Address	10375 CLAYTON RD, ST LOUIS, MO 63131-2907

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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
Municipality	Ellisville City
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		$187,810 (+4.8%) Land $70,240 Building $117,570	$586,900 (+4.8%) Land $219,500 Building $367,400
2024	$16,374.00 (+0.06%)
2023	$16,364.00 (+23.41%)	$179,200 (+6.97%) Land $70,240 Building $108,960	$560,000 (+6.97%) Land $219,500 Building $340,500
2022	$13,260.00	$167,520 Land $70,240 Building $97,280
2021			$523,500 Land $219,500 Building $304,000

Flood & Wildfire

509 Old State Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect 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	Indirect within ember reach of burnable land · adjoins burnable vegetation

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