6421 Mount Ave, Saint Louis, MO 63121 Property Records

St. Louis County property record for 6421 Mount Ave, Saint Louis, MO 63121

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,056 sqft · built 2003
Lot Size	0.072 acres (3,149 sqft)
Owner	Individual Name on File
Tax Bill	$1,756 (2025)
Deeds & Mortgages	Jun 2026 Transfer Jun 2026 Transfer + 5 more
Flood Zone	Zone X (minimal risk)
APN	`16H-52-0440`

Property Details

APN / Parcel Number

Primary APN	`16H-52-0440`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	7 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,056 sqft Living Area
1st Floor Area	1,056 sqft
Game Room	Game Room

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Foundation Type	Raised
Lot Area	3,149 sqft (0.072 acres)
Lot Dimensions	105 ft deep x 30 ft wide

Exterior Amenities

Porch	Slab
Porch Area	84 sqft
Shed	1 Shed
Shed Area	80 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	6421 MOUNT AVE
City	SAINT LOUIS
State	MO
Zip	63121-5716
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	68RSING
Legal Description	GLEN ECHO HTS BLK 3 LOT 28
Legal Subdivision	GLEN ECHO HTS
Legal Block	3
Legal Lot Number	28
Jurisdiction	ST LOUIS MO
Township / Civil Division	UNIVERSITY
Census Block Group	4
Census Block	4016
Census Tract	213800

Owner

Source: St. Louis County records, as of October 13, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single

Deeds, Mortgages & Sale History

Date	Document
Jun 26, 2026	Transfer on Death Deed, Transfer NONE LISTED ON DOCUMENT
Jun 26, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Jun 26, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Jun 26, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Jun 6, 2023	Intrafamily Transfer, Transfer
May 24, 2023	Intrafamily Transfer, Transfer
Oct 11, 2022	Beneficiary Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 26, 2026
Deed Sale	Jun 26, 2026
Prior Sale	Mar 8, 2004 · Amount on File
Deed Document Number	2026545
Prior Transfer Date	Jun 6, 2023
Prior Transfer Doc	0000000611
Record Updated	Oct 29, 2026

June 2026: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	ST LOUIS MO
Recording Date	Jun 26, 2026
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	0000000547
Instrument Date	Jun 24, 2026
Instrument	2026547
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

June 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ST LOUIS MO
Recording Date	Jun 26, 2026
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	0000000544
Instrument Date	Jun 20, 2026
Instrument	2026544
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

June 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ST LOUIS MO
Recording Date	Jun 26, 2026
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	0000000546
Instrument Date	Jun 20, 2026
Instrument	2026546
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

June 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ST LOUIS MO
Recording Date	Jun 26, 2026
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	0000000545
Instrument Date	Jun 20, 2026
Instrument	2026545
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ST LOUIS MO
Recording Date	Jun 6, 2023
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	2023060600611
Map Reference	MB 7 PG 67
Instrument Date	Jun 6, 2023
Instrument	2023060600611
Transaction Type	Transfer
Record Updated	Nov 1, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ST LOUIS MO
Recording Date	May 24, 2023
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	2023052400510
Map Reference	MB 7 PG 67
Instrument Date	May 24, 2023
Instrument	2023052400510
Transaction Type	Transfer
Record Updated	Nov 1, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

October 2022: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	ST LOUIS MO
Recording Date	Oct 11, 2022
Property Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716
Document Number	2022101100220
Map Reference	MB 7 PG 67
Instrument Date	Oct 7, 2022
Instrument	2022101100220
Transaction Type	Transfer
Record Updated	Dec 12, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	6421 MOUNT AVE, 6421, SAINT LOUIS, MO 63121-5716

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	6421 MOUNT AVE, SAINT LOUIS, MO 63121-5716

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Missouri
County	St. Louis County
Municipality	Hillsdale Village
Unified School District	Normandy Schools Collaborative (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$18,980 (-) Land $930 Building $18,050	$99,900 (-) Land $4,900 Building $95,000
2025	$1,756.00 (+43.11%)	$18,980 (+41.96%) Land $930 Building $18,050	$99,900 (+41.9%) Land $4,900 Building $95,000
2024	$1,227.00 (-4.22%)
2023	$1,281.00 (-0.47%)	$13,370 (+17.49%) Land $300 Building $13,070	$70,400 (+17.53%) Land $1,600 Building $68,800
2022	$1,287.00	$11,380 Land $300 Building $11,080
2021			$59,900 Land $1,600 Building $58,300

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

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

Wildfire Risk	Not rated no burnable land within 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 262 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Fiber · Cable in parts of the area	1,000 / 1,000
AT&T Fixed Wireless · DSL	100 / 20

May also be available: T-Mobile, Verizon.

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