643 Preakness Dr, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 643 Preakness Dr, Walnut Creek, CA 94597

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 1,360 sqft · built 1986
Lot Size	0.021 acres (925 sqft)
Owner	2 Individual Names on Record
Last Sale	$865,000 (Dec 2023)
Tax Bill	$10,636 (2025)
Deeds & Mortgages	Dec 2023 Sale & Mortgage Jul 2017 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`173-250-034-1`

Property Details

APN / Parcel Number

Primary APN	`173-250-034-1`
Alternative APN	`173-250-034`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,360 sqft Living Area
1st Floor Area	645 sqft
2nd Floor Area	715 sqft

Exterior

Year Built	Built 1986
Effective Year Built	Effective 2000
Architectural Style	Condo/Apartment
Lot Area	925 sqft (0.021 acres)
Garage Type	Attached
Garage Area	171 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	643 PREAKNESS DR
City	WALNUT CREEK
State	CA
Zip	94597-3688
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	PUD
Legal Description	T6461 BL U116
Legal Subdivision	SUBDIVISION 6461
Legal Tract	6461
Legal Block	U11
Legal Lot Number	L
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	339004

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 28, 2023	Grant Deed, Transfer · Conventional Mortgage LOANDEPOT.COM LLC
Jul 14, 2017	Deed of Trust, Mortgage · Conventional Mortgage CMG MORTGAGE INC
Jul 1, 2020	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Sep 13, 2019	Intrafamily Transfer, Transfer · Conventional Mortgage CMG MORTGAGE INC
Jun 14, 2017	Grant Deed, Transfer · Conventional Mortgage BARBARA J QUERIO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 28, 2023 · Amount on Record
Deed Sale	Dec 28, 2023 · Amount on Record
Prior Sale	Jul 1, 2020 · Amount on Record
Deed Document Number	2023136049
Prior Transfer Date	Sep 9, 2019
Prior Transfer Doc	0000151791
Record Updated	Oct 29, 2026

December 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 28, 2023
Property Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Document Number	0000136049
Map Reference	MB 296 PG 18
Instrument Date	Dec 18, 2023
Instrument	2023-136049
Transaction Type	Transfer
Record Updated	Jan 8, 2024
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688

Mortgage

Document Number	0000136050
Date	Dec 28, 2023
Instrument	2023-136050

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2054

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000126416
Date	Jul 14, 2017
Instrument	2017-126416

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2047

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 1, 2020
Property Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Document Number	0000130459
Map Reference	MB 13268 PG 385
Instrument Date	Jun 22, 2020
Instrument	2020-130459
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TTL PLEASANT

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688

Mortgage

Document Number	0000130460
Date	Jul 1, 2020
Instrument	2020-130460

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2050

September 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 13, 2019
Property Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Document Number	0000151791
Map Reference	MB 296 PG 18
Instrument Date	Sep 9, 2019
Instrument	2019-151791
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	TITLE CONNECT INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688

Mortgage

Document Number	0000151792
Date	Sep 13, 2019
Instrument	2019-151792

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2049

June 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 14, 2017
Property Address	643 PREAKNESS DR, WALNUT CREEK, CA 94597-3688
Document Number	0000105816
Instrument Date	Jun 7, 2017
Instrument	105816
Transaction Type	Transfer
Record Updated	Jun 26, 2017
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$720.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	643 PREAKNESS DR WALNUT CREEK CA 945973688, WALNUT CREEK, CA 94597-3688

Mortgage

Document Number	105817
Date	Jun 14, 2017
Instrument	105817

Lender

Name	BARBARA J QUERIO
Address	PO BOX 1059, ALAMO, CA 94507-7059

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Walnut Creek City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Walnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$771,000 (-12.61%) Land $494,688 Building $276,312
2025	$10,636.00 (+16.18%) Homeowner's exemption	$882,300 (+18.44%) Land $566,100 Building $316,200
2023	$9,155.00 (+1.78%) Homeowner's exemption	$744,926 Land $432,806 Building $312,120
2022	$8,995.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 535 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fixed Wireless in parts of the area	100 / 20

May also be available: Sonic Telecom.

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