557 Walnut Ave, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 557 Walnut Ave, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,809 sqft · built 1998
Lot Size	0.282 acres (12,283 sqft)
Owner	2 Trust Names on File
Last Sale	$537,500 (Jan 1999)
Tax Bill	$10,107 (2025)
Deeds & Mortgages	Feb 2020 Mortgage Jan 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`139-011-016-9`

Property Details

APN / Parcel Number

Primary APN	`139-011-016-9`
Alternative APN	`139-011-016`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,809 sqft Living Area
1st Floor Area	2,809 sqft

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1998
Lot Area	12,283 sqft (0.282 acres)
Garage Type	Attached
Garage Area	690 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	557 WALNUT AVE
City	WALNUT CREEK
State	CA
Zip	94598-3730
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T166PM31 PCL B
Legal Subdivision	PARCEL MAP MS 813-90
Legal Tract	166PM31
Legal Lot Number	B
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	338302

Owner

557 Walnut Ave is owner-occupied and held in a trust since May 2017.

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

Owner of Record	2 Trust Names on File
Mailing Address	557 WALNUT AVE, WALNUT CREEK, CA 94598-3730
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
Feb 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC
Jan 20, 2021	Deed of Trust, Mortgage · Conventional Mortgage CFBANK NA
Dec 11, 2017	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
May 4, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 8, 1999 · Amount on File
Deed Sale	Jan 8, 1999 · Amount on File
Deed Document Number	19995127
Last Transfer Date	May 4, 2017
Transfer Doc	0000077624
Record Updated	Sep 20, 2026

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	557 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SOLIDIFI TITLE & CLOSING

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000024924
Date	Feb 10, 2020
Instrument	2020-024924

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company
Address	ENGLEWOOD, CO 80111

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Feb 1, 2050

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	557 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Document Number	0000024297
Instrument Date	Jan 20, 2021
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SOLIDIFI TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	557 WALNUT AVE WALNUT CREEK CA 945983730, WALNUT CREEK, CA 94598-3730

Mortgage

Document Number	0000024297
Date	Jan 26, 2021
Instrument	24297

Lender

Name	CFBANK NA
Address	WORTHINGTON, OH 43085

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 25, 2051

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	557 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Document Number	0000239685
Instrument Date	Dec 11, 2017
Transaction Type	Mortgage
Record Updated	Jan 3, 2018
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	557 WALNUT AVE WALNUT CREEK CA 945983730, WALNUT CREEK, CA 94598-3730

Mortgage

Document Number	0000239685
Date	Dec 21, 2017
Instrument	239685

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 20, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.75%

May 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 4, 2017
Property Address	557 WALNUT AVE, WALNUT CREEK, CA 94598-3730
Document Number	0000077624
Instrument Date	May 4, 2017
Instrument	77624
Transaction Type	Transfer
Record Updated	May 12, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	557 WALNUT AVE WALNUT CREEK CA 945983730, WALNUT CREEK, CA 94598-3730

Tax Assessment & Valuation

The 2025 property tax bill for 557 Walnut Ave was $10,107 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		$859,484 (+2%) Land $463,724 Building $395,760
2025	$10,107.00 Homeowner's exemption	$842,632 Land $454,632 Building $388,000
2023	$9,709.00 (+0.88%) Homeowner's exemption	$809,914 Land $436,979 Building $372,935
2022	$9,624.00

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

Flood

FEMA maps place 557 Walnut Ave 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 557 Walnut Ave 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 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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