669 Rock Oak Rd, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 669 Rock Oak Rd, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,167 sqft · built 1968
Lot Size	0.266 acres (11,600 sqft)
Owner	2 Trust Names on File
Last Sale	$1,115,000 (Sep 2017)
Tax Bill	$14,890 (2025)
Deeds & Mortgages	Jun 2017 Mortgage Nov 2017 Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`134-391-009-5`

Property Details

APN / Parcel Number

Primary APN	`134-391-009-5`
Alternative APN	`134-391-009`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,167 sqft Living Area
1st Floor Area	2,167 sqft

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1985
Lot Area	11,600 sqft (0.266 acres)
View / Lot	Creek
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	669 ROCK OAK RD
City	WALNUT CREEK
State	CA
Zip	94598-1735
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R8
Legal Description	TRACT 3751 LOT 9
Legal Subdivision	SUBDIVISION 3751
Legal Tract	3751
Legal Lot Number	9
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	6
Census Block	6006
Census Tract	337300

Owner

669 Rock Oak Rd is held in a trust since November 2017.

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

Owner of Record	2 Trust Names on File
Mailing Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Owner Type	Company
Vesting	Trust

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
Jun 16, 2017	Deed of Trust, Mortgage · Conventional Mortgage RPM MORTGAGE INC
Nov 13, 2017	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
Mar 5, 2021	Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION
Nov 21, 2017	Quit Claim Deed, Transfer Quitclaim
Sep 22, 2017	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Sep 22, 2017	Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Mar 15, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 22, 2017 · Amount on File
Deed Sale	Sep 22, 2017 · Amount on File
Prior Sale	Feb 29, 2016 · Amount on File
Deed Document Number	2017173436
Last Transfer Date	Nov 14, 2017
Transfer Doc	0000218944
Record Updated	Oct 29, 2026

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000107489
Date	Jun 16, 2017
Instrument	2017-107489

Lender

Name	RPM MORTGAGE INC
Type	Mortgage Company
Address	ALAMO, CA 94507

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2047

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE ORINDA

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000213091
Date	Nov 13, 2017
Instrument	2017-213091

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2047

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735

Mortgage

Document Number	0000068580
Date	Mar 5, 2021
Instrument	2021-068580

Lender

Name	WINNPOINTE CORPORATION
Type	Mortgage Company
Address	ORANGE, CA 92868

Agreement

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

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 21, 2017
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Document Number	0000218944
Instrument Date	Nov 14, 2017
Instrument	218944
Transaction Type	Transfer
Record Updated	Nov 27, 2017

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	669 ROCK OAK RD WALNUT CREEK CA 945981735, WALNUT CREEK, CA 94598-1735

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Document Number	0000173435
Instrument Date	Sep 19, 2017
Instrument	173435
Transaction Type	Transfer
Record Updated	Sep 27, 2017
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	Separate Estate/Property
Address	669 ROCK OAK RD WALNUT CREEK CA 945981735, WALNUT CREEK, CA 94598-1735

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Document Number	0000173436
Instrument Date	Sep 19, 2017
Instrument	173436
Transaction Type	Transfer
Record Updated	Sep 27, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount on Record
Tax	$1,226.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	669 ROCK OAK RD WALNUT CREEK CA 945981735, WALNUT CREEK, CA 94598-1735

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 15, 2017
Property Address	669 ROCK OAK RD, WALNUT CREEK, CA 94598-1735
Document Number	0000045353
Instrument Date	Mar 7, 2017
Instrument	45353
Transaction Type	Transfer
Record Updated	Mar 21, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	669 ROCK OAK RD WALNUT CREEK CA 945981735, WALNUT CREEK, CA 94598-1735

Tax Assessment & Valuation

The 2025 property tax bill for 669 Rock Oak Rd was $14,890.

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		$1,294,047 (+2%) Land $976,397 Building $317,650
2025	$14,890.00	$1,268,674 Land $957,252 Building $311,422
2023	$14,320.00 (+0.87%)	$1,219,412 Land $920,082 Building $299,330
2022	$14,196.00

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

Flood

FEMA maps place 669 Rock Oak Rd in Zone X, an area of minimal flood risk.

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

Wildfire risk around 669 Rock Oak Rd is low, with a 0.06% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 78% of California
Wildfire Likelihood	0.06% 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 243 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
AT&T DSL	100 / 20

May also be available: Verizon.

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