231 Walnut Ave, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 231 Walnut Ave, Walnut Creek, CA 94598 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,848 sqft · built 1959
Lot Size	0.241 acres (10,500 sqft)
Owner	2 Individual Names on File
Last Sale	$1,335,000 (Jun 2021)
Tax Bill	$17,625 (2025)
Deeds & Mortgages	May 2023 Second Mortgage Jan 2018 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`140-031-001-5`

Property Details

APN / Parcel Number

Primary APN	`140-031-001-5`
Alternative APN	`140-031-001`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,848 sqft Living Area
1st Floor Area	1,848 sqft

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Lot Area	10,500 sqft (0.241 acres)
Garage Type	Attached
Garage Area	451 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	231 WALNUT AVE
City	WALNUT CREEK
State	CA
Zip	94598-3372
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 2650 1
Legal Subdivision	TRACT 2650
Legal Tract	2650
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3000
Census Tract	338302

Owner

Source: Contra Costa County records · APN 140-031-001-5

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
May 09, 2023	Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC
Jan 26, 2018	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Apr 16, 2020	Deed of Trust, Mortgage · Line of Credit US BANK NA
Jan 06, 2022	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Jun 01, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 01, 2021 · Amount on Record
Deed Sale	Jun 01, 2021 · Amount on Record
Prior Sale	Aug 14, 1995 · Amount on Record
Deed Document Number	2021160439
Record Updated	Sep 20, 2026

May 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Transaction Type	Mortgage
Record Updated	May 18, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372

Mortgage

Document Number	0000042889
Date	May 09, 2023
Instrument	2023-042889

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Jun 01, 2043

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	CHICAGO TITLE SIMPLIFILE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000012569
Date	Jan 26, 2018
Instrument	2018-012569

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2048

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	SOLIDIFY TITLE COMPANY OF CA

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000072577
Date	Apr 16, 2020
Instrument	2020-072577

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Mar 17, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372

Mortgage

Document Number	0000003050
Date	Jan 06, 2022
Instrument	2022-003050

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2052

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 01, 2021
Property Address	231 WALNUT AVE, WALNUT CREEK, CA 94598-3372
Document Number	0000160439
Map Reference	MB 71 PG 2
Instrument Date	May 25, 2021
Instrument	2021-160439
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	925 YGNACIO VALLEY RD STE 200, 200, WALNUT CREEK, CA 94596-3837

Mortgage

Document Number	0000160440
Date	Jun 01, 2021
Instrument	2021-160440

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 01, 2051

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$1,643,946 (+9.96%) Land $1,104,080 Building $539,866
2025	$17,625.00 (+16.35%) Homeowner's exemption	$1,495,046 (+14.74%) Land $1,082,432 Building $412,614
2023	$15,148.00 (-5.53%) Homeowner's exemption	$1,303,000 Land $976,000 Building $327,000
2022	$16,034.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133383023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Claims	1 (1983)
Most Recent Claim	Dec 1983, tidal / storm surge

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 369 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Unwired	Fixed Wireless	300 / 25
Verizon	Fixed Wireless	300 / 20
AT&T	DSL	100 / 20

May also be available at this address: T-Mobile USA, Sonic Telecom, Radiate Holdings, Etheric Communications, LLC.. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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