1001 Castle Rock Rd, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 1001 Castle Rock Rd, Walnut Creek, CA 94598

Property Summary

Property Type	Rural Home
Details	3 bd · 2 ba · 1,958 sqft · built 1951
Lot Size	2 acres (87,512 sqft)
Owner	2 Trust Names on File
Tax Bill	$4,223 (2025)
Deeds & Mortgages	May 2026 Transfer Oct 2017 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`139-140-002-3`

Property Details

APN / Parcel Number

Primary APN	`139-140-002-3`
Alternative APN	`139-140-002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Stories	1 Story
Building Area	1,958 sqft Living Area
1st Floor Area	1,958 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Lot Area	87,512 sqft
Garage Area	450 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1001 CASTLE ROCK RD
City	WALNUT CREEK
State	CA
Zip	94598-5117
Property Category	Residential
Property Type	Residential > Single Family > Rural Home
Local Zoning Code	A2
Legal Description	RO SAN MIGUEL POR LOT 5 HILL LD
Legal Subdivision	SAN MIGUEL RHO
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2008
Census Tract	338302

Owner

1001 Castle Rock Rd, a rural home, is owner-occupied and held in a trust since June 2012.

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

Owner of Record	2 Trust Names on File
Mailing Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117
Occupancy	Owner Occupied
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
May 22, 2026	Affidavit of Death of Trustee, Transfer
Oct 4, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Jul 27, 2021	Deed of Trust, Mortgage · Conventional Mortgage LUTHER BURBANK SAVINGS
Feb 26, 2019	Deed of Trust, Mortgage · Conventional Mortgage CONTRA COSTA WATER DISTRICT

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jun 8, 2012
Transfer Doc	0000142965
Record Updated	Sep 20, 2026

May 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	CONTRA COSTA CA
Recording Date	May 22, 2026
Property Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117
Document Number	0000053836
Instrument Date	May 15, 2026
Instrument	202653836
Transaction Type	Transfer
Record Updated	Aug 29, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Investor	Possibly a Property Investor

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000181409
Date	Oct 4, 2017
Instrument	2017-181409

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Oct 22, 2047

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117

Mortgage

Document Number	0000209621
Date	Jul 27, 2021
Instrument	2021-209621

Lender

Name	LUTHER BURBANK SAVINGS
Type	Bank
Address	SANTA ROSA, CA 95401

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	481 Months
Due	Aug 1, 2061

Interest

Rate Type	Adjustable Rate
Rate	3.37%
Type Change Date	Aug 1, 2028
Min Rate At Change	2.87%
Max Rate At Change	5.37%
Index	1-Year CMT
Max Rate	9.37%

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1001 CASTLE ROCK RD, WALNUT CREEK, CA 94598-5117
Document Number	0000052637
Instrument Date	Feb 26, 2019
Transaction Type	Mortgage
Record Updated	Jan 14, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	1001 CASTLE ROCK RD WALNUT CREEK CA 945985117, WALNUT CREEK, CA 94598-5117

Mortgage

Document Number	0000052637
Date	Apr 16, 2019
Instrument	52637

Lender

Name	CONTRA COSTA WATER DISTRICT
Address	1331 CONCORD AVE, CONCORD, CA 94520-4907

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 1001 Castle Rock Rd was $4,223.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$389,572 (+2%) Land $212,527 Building $177,045
2025	$4,223.00 Homeowner's exemption	$381,934 Land $208,360 Building $173,574
2023	$4,069.00 (+0.89%) Homeowner's exemption	$367,105 Land $200,270 Building $166,835
2022	$4,033.00

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

Flood

FEMA maps place 1001 Castle Rock Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (1998–2016)
Most Recent Claim	Mar 2016 · other causes

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 1001 Castle Rock Rd is high, ranking above 82% of the US, with a 0.6% annual chance of wildfire.

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

Wildfire Risk	High above 82% of the US · above 60% of California
Wildfire Likelihood	0.6% annual chance
Exposure	Direct burnable vegetation

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 34 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

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Castle Rock Rd

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures