8734 Keystone Dr, Saint Louis, MO 63144 Property Records

St. Louis County property record for 8734 Keystone Dr, Saint Louis, MO 63144

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,178 sqft · built 1943
Lot Size	0.116 acres (5,036 sqft)
Owner	2 Individual Names on File
Last Sale	$144,800 (May 2018)
Tax Bill	$3,052 (2025)
Deeds & Mortgages	May 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`21K-51-0166`

Property Details

APN / Parcel Number

Primary APN	`21K-51-0166`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Plumbing Fixtures	5 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,178 sqft Living Area
1st Floor Area	1,178 sqft

Exterior

Year Built	Built 1943
Effective Year Built	Effective 1943
Architectural Style	Bungalow
Exterior Material	Aluminum/Vinyl
Foundation Type	Raised
Lot Area	5,036 sqft (0.116 acres)
Lot Dimensions	53 ft deep x 53 ft wide

Exterior Amenities

Porch	Open Frame Porch
Porch Area	120 sqft
Deck Area	340 sqft
Patio Area	136 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	8734 KEYSTONE DR
City	SAINT LOUIS
State	MO
Zip	63144-2316
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	9B
Legal Description	SUMMITT PARK ADDITION BLK 4 RESUB LOT 22
Legal Subdivision	SUMMITT PARK ADDITION BLK 4 RESUB
Legal Block	4
Legal Lot Number	22
Jurisdiction	ST LOUIS MO
Township / Civil Division	CLAYTON
Census Block Group	3
Census Block	3012
Census Tract	217300

Owner

8734 Keystone Dr is owned and occupied by two individuals who bought it in May 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	8734 KEYSTONE DR, SAINT LOUIS, MO 63144-2316
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 24, 2018 · Amount on File
Deed Sale	May 24, 2018 · Amount on File
Prior Sale	Jan 10, 2011 · Amount on File
Deed Document Number	2018203
Deed Book / Page	23040 / 1256
Prior Transfer Date	Jun 15, 2010
Prior Transfer Doc	0189833775
Record Updated	Oct 29, 2026

May 2018: Quit Claim Deed, Mortgage

Document Type	Quit Claim Deed
Jurisdiction	ST LOUIS MO
Recording Date	May 24, 2018
Property Address	8734 KEYSTONE DR, SAINT LOUIS, MO 63144-2316
Document Number	0230401257
Book / Page	023040 / 001257
Instrument Date	May 18, 2018
Instrument	203
Transaction Type	Mortgage
Record Updated	Jun 19, 2018
Title Company	GATEWAY TITLE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	8734 KEYSTONE DR ST LOUIS MO 631442316, ST LOUIS, MO 63144-2316

Mortgage

Document Number	230401260
Date	May 24, 2018
Book Page	023040/001260
Instrument	204

Lender

Name	MORTGAGE SOLUTIONS/ST LOUIS
Type	Mortgage Company
Address	9849 MANCHESTER RD # 3, ST LOUIS, MO 63119-1200

Agreement

Amount	Amount on Record
Term	360 Months
Due	May 23, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 8734 Keystone Dr was $3,052, up 4.6% from the year before.

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

Property Jurisdictions

Type	Name
State	Missouri
Municipality	Brentwood City
County	St. Louis County
Unified School District	Brentwood School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$46,570 (-) Land $26,980 Building $19,590	$245,100 (-) Land $142,000 Building $103,100
2025	$3,052.00 (+4.56%)	$46,570 Land $26,980 Building $19,590	$245,100 Land $142,000 Building $103,100
2024	$2,919.00 (+2.78%)
2023	$2,840.00 (+13.42%)	$42,010 (+18.47%) Land $21,570 Building $20,440	$221,100 Land $113,500 Building $107,600
2022	$2,504.00	$35,460 Land $21,570 Building $13,890
2021			$186,600 Land $113,500 Building $73,100

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.

Flood

FEMA maps place 8734 Keystone Dr in Zone X, an area of minimal flood risk, though there have been 66 flood claims nearby since 1979.

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
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	66 (1979–2024)
Claims Outside the SFHA	9 of 66
Most Recent Claim	Nov 2024 · river or lake flooding
Claims by Event	Severe Storms, Tornadoes, Straight-line Winds, And Flooding, Dec 2015 · 8 claims Severe Storms, Flooding, And A Tornado, Sep 2008 · 8 claims Severe Storms & Flooding, Sep 1993 · 10 claims

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

The area around 8734 Keystone Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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 403 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 · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Wisper ISP.

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