9515 Koerber Ln, Affton (Saint Louis), MO 63123 Property Records

St. Louis County property record for 9515 Koerber Ln, Affton, MO 63123

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,492 sqft · built 1952
Lot Size	0.33 acres (14,353 sqft)
Owner	Individual Name on Record
Tax Bill	$3,649 (2024)
Deeds & Mortgages	Aug 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`26J-21-0301`

Property Details

APN / Parcel Number

Primary APN	`26J-21-0301`
Alternative APN	`26J-21-1193`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	7 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,492 sqft Living Area
Gross Area	2,042 sqft
1st Floor Area	1,380 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 2025
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Foundation Type	Raised
Lot Area	14,353 sqft (0.33 acres)
Lot Dimensions	103 ft deep x 110 ft wide
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Porch	Slab
Porch Area	207 sqft
Patio Area	36 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	26J210301
Street Address	9515 KOERBER LN
City	SAINT LOUIS
State	MO
Zip	63123-6307
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R4
Legal Description	9515 KOERBER LANE LOT SPLIT LOT A
Legal Subdivision	9515 KOERBER LANE LOT SPLIT
Legal Lot Number	A
Jurisdiction	ST LOUIS MO
Township / Civil Division	CONCORD
Census Block Group	1
Census Block	1001
Census Tract	220001

Owner

Source: St. Louis County records, as of October 13, 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 Record
Mailing Address	9515 KOERBER LN, SAINT LOUIS, MO 63123-6307
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 8, 2025
Deed Sale	Sep 8, 2025
Prior Sale	Aug 29, 2025 · Amount on Record
Deed Document Number	2025597
Prior Transfer Date	Jul 4, 2024
Prior Transfer Doc	0000000430
Record Updated	Oct 29, 2026

August 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST LOUIS MO
Recording Date	Aug 29, 2025
Property Address	9515 KOERBER LN, SAINT LOUIS, MO 63123-6307
Document Number	2025082900071
Map Reference	MB 44 PG 41
Instrument Date	Aug 20, 2025
Instrument	2025082900071
Transaction Type	Transfer
Record Updated	Oct 10, 2025
Title Company	FREEDOM TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Verified / From Affidavit
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9515 KOERBER LN, AFFTON, MO 63123-6307
Investor	Possibly a Property Investor

Mortgage

Document Number	2025082900072
Date	Aug 29, 2025
Instrument	2025082900072

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2055

Tax Assessment & Valuation

Source: St. Louis County assessment roll, as of September 29, 2026

Property Jurisdictions

Type	Name
State	Missouri
County	St. Louis County
Unified School District	Affton 101 School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$56,050 (+8.33%) Land $15,790 Building $40,260	$295,000 (+8.34%) Land $83,100 Building $211,900
2025		$51,740 (+14.95%) Land $17,840 Building $33,900	$272,300 (+14.94%) Land $93,900 Building $178,400
2024	$3,649.00 (+3.43%)	$45,010 (-) Land $12,750 Building $32,260
2023	$3,528.00 (-0.98%)	$45,010 (+14.65%) Land $12,750 Building $32,260	$236,900 (+14.67%) Land $67,100 Building $169,800
2022	$3,563.00	$39,260 Land $12,750 Building $26,510
2021			$206,600 Land $67,100 Building $139,500

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

Flood

Source: FEMA National Flood Hazard Layer, effective August 10, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	4 (1979–1985)
Most Recent Claim	Mar 1985 · tidal / storm surge

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 99.8% of the US · lower than 99.6% of Missouri
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MO AMERICAN ST LOUIS ST CHARLES COUNTIES private · serves 1,111,000 people · EPA ID MO6010716
Water Source	Surface water
Last State Inspection	Feb 2024
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 413 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Wisper ISP Fixed Wireless	800 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20