589 Walnut Ave, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 589 Walnut Ave, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,245 sqft · built 1964
Lot Size	0.244 acres (10,625 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,100,000 (Aug 2018)
Tax Bill	$15,661 (2025)
Deeds & Mortgages	Jul 2019 Mortgage Jul 2020 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`139-011-002-9`

Property Details

APN / Parcel Number

Primary APN	`139-011-002-9`
Alternative APN	`139-011-002`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,245 sqft Living Area
Gross Area	2,735 sqft
1st Floor Area	1,258 sqft
2nd Floor Area	987 sqft

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1984
Lot Area	10,625 sqft (0.244 acres)
Lot Dimensions	125 ft deep x 85 ft wide
Garage Type	Attached
Garage Area	490 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	589 WALNUT AVE
City	WALNUT CREEK
State	CA
Zip	94598-3730
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	TRACT 3243 LOT 2 EX MR
Legal Subdivision	BROOK TREE
Legal Tract	3243
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	338302

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	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jul 23, 2019	Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU
Jul 8, 2020	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Aug 17, 2018	Grant Deed, Transfer · Conventional Mortgage PATELCO CU
Apr 10, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 17, 2018 · Amount on Record
Deed Sale	Aug 17, 2018 · Amount on Record
Deed Document Number	2018131680
Prior Transfer Date	Apr 9, 1996
Prior Transfer Doc	0000067779
Record Updated	Oct 29, 2026

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000114468
Date	Jul 23, 2019
Instrument	2019-114468

Lender

Name	PATELCO CU
Type	Credit Union
Address	PLEASANTON, CA 94588

Agreement

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

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONAL CLOSING SOLUTIONS

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000135008
Date	Jul 8, 2020
Instrument	2020-135008

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Aug 30, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 17, 2018
Property Address	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Document Number	0000131680
Map Reference	MB 98 PG 27
Instrument Date	Aug 14, 2018
Instrument	2018-131680
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN 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	Community Property with Right of Survivorship
Address	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730

Mortgage

Document Number	0000131681
Date	Aug 17, 2018
Instrument	2018-131681

Lender

Name	PATELCO CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	306 Months
Due	Feb 1, 2044

April 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 10, 2018
Property Address	589 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Document Number	0000054385
Instrument Date	Apr 5, 2018
Instrument	54385
Transaction Type	Transfer
Record Updated	Jun 4, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	736 HUTCHINSON RD WALNUT CREEK CA 945984542, WALNUT CREEK, CA 94598-4542
Investor	Possibly a Property Investor

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,365,388 (+2%) Land $995,597 Building $369,791
2025	$15,661.00 (+3.97%)	$1,338,617 (+4.04%) Land $976,076 Building $362,541
2023	$15,063.00 (+0.87%)	$1,286,639 Land $938,175 Building $348,464
2022	$14,933.00

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 · 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

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 428 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Sonic Telecom.

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