2005 Blackstone Dr, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 2005 Blackstone Dr, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,968 sqft · built 1974
Lot Size	0.238 acres (10,350 sqft)
Owner	2 Individual Names on File
Last Sale	$1,680,000 (Aug 2024)
Tax Bill	$19,350 (2025)
Deeds & Mortgages	Jan 2026 Mortgage Sep 2021 Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`142-311-005-3`

Property Details

APN / Parcel Number

Primary APN	`142-311-005-3`
Alternative APN	`142-311-005`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,968 sqft Living Area
1st Floor Area	1,968 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	10,350 sqft (0.238 acres)
Lot Dimensions	115 ft deep x 90 ft wide
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	2005 BLACKSTONE DR
City	WALNUT CREEK
State	CA
Zip	94598-3718
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	T04366 L0005 B
Legal Subdivision	SUBDIVISION 4366
Legal Tract	04366
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2008
Census Tract	338301

Owner

2005 Blackstone Dr is owned and occupied by two individuals who bought it in August 2024.

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

Owner of Record	2 Individual Names on File
Mailing Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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

Date	Document
Jan 21, 2026	Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC LOAN SERVICES LLC
Sep 8, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 8, 2021	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Mar 3, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage FLAGSTAR BANK FSB
Mar 3, 2021	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Jul 31, 2020	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Jul 31, 2020	Quit Claim Deed, Transfer QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 13, 2024 · Amount on File
Deed Sale	Aug 13, 2024 · Amount on File
Deed Document Number	202478224
Prior Transfer Date	Jul 13, 2021
Prior Transfer Doc	0000250521
Record Updated	Sep 20, 2026

January 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Transaction Type	Mortgage
Record Updated	Jan 30, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718

Mortgage

Document Number	0000006542
Date	Jan 21, 2026
Instrument	2026- 006542

Lender

Name	PENNYMAC LOAN SERVICES LLC
Type	Mortgage Company
Address	3043 TOWNSGATE RD # 200, WESTLAKE VILLAGE, CA 91361

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 1, 2056

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 8, 2021
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000250519
Map Reference	MB 157 PG 19
Instrument Date	Jul 13, 2021
Instrument	2021-250519
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

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	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718

Mortgage

Document Number	0000250520
Date	Sep 8, 2021
Instrument	2021-250520

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 8, 2021
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000250521
Map Reference	MB 157 PG 19
Instrument Date	Jul 13, 2021
Instrument	2021-250521
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CHICAGO TITLE COMPANY

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	Family Trust
Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 3, 2021
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000064627
Map Reference	MB 157 PG 19
Instrument Date	Feb 26, 2021
Instrument	2021-064627
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

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	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718

Mortgage

Document Number	0000064628
Date	Mar 3, 2021
Instrument	2021-064628

Lender

Name	FLAGSTAR BANK FSB
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Mar 1, 2051

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 3, 2021
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000064629
Map Reference	MB 157 PG 19
Instrument Date	Feb 26, 2021
Instrument	2021-064629
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CHICAGO TITLE COMPANY

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	Family Trust
Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 31, 2020
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000159519
Instrument Date	Jul 27, 2020
Instrument	159519
Transaction Type	Transfer
Record Updated	Aug 11, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	2005 BLACKSTONE DR WALNUT CREEK CA 945983718, WALNUT CREEK, CA 94598-3718

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 31, 2020
Property Address	2005 BLACKSTONE DR, WALNUT CREEK, CA 94598-3718
Document Number	0000159516
Instrument Date	Jul 27, 2020
Instrument	159516
Transaction Type	Transfer
Record Updated	Aug 12, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	2005 BLACKSTONE DR WALNUT CREEK CA 945983718, WALNUT CREEK, CA 94598-3718

Mortgage

Document Number	159517
Date	Jul 31, 2020
Instrument	159517

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 30, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 2005 Blackstone Dr was $19,350 with a homeowner's exemption.

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
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,713,600 (+2%) Land $1,162,800 Building $550,800
2025	$19,350.00 Homeowner's exemption	$1,680,000 Land $1,140,000 Building $540,000
2023	$6,017.00 (+0.91%) Homeowner's exemption	$476,146 Land $175,303 Building $300,843
2022	$5,963.00

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 2005 Blackstone Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · 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 8 (10% premium discount)
Nearby Flood Policies	1 in force

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

Wildfire risk around 2005 Blackstone Dr is low, with a 0.01% annual chance of 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 575 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Etheric Networks, T-Mobile, Verizon.

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