12 Marshall Ct, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 12 Marshall Ct, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,703 sqft · built 1953
Lot Size	0.65 acres (28,314 sqft)
Owner	2 Individual Names on File
Last Sale	$1,280,000 (Feb 2017)
Tax Bill	$20,102 (2025)
Deeds & Mortgages	Jul 2017 Mortgage Oct 2017 Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`179-151-017-3`

Property Details

APN / Parcel Number

Primary APN	`179-151-017-3`
Alternative APNs	`179-151-017` `1791510058`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,703 sqft Living Area
1st Floor Area	2,081 sqft
2nd Floor Area	622 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1980
Lot Area	28,314 sqft (0.65 acres)
Garage Type	Attached
Garage Area	622 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	12 MARSHALL CT
City	WALNUT CREEK
State	CA
Zip	94598-4810
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	INDIAN VALLEY PORTAL L32 & POR L33 & POR L34
Legal Subdivision	INDIAN VLY PORTAL
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2008
Census Tract	343002

Owner

12 Marshall Ct is owned and occupied by two individuals who acquired it in March 2017.

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

Owner of Record	2 Individual Names on File
Mailing Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
Jul 19, 2017	Deed of Trust, Mortgage · Conventional Mortgage PNC MORTGAGE LLC
Oct 24, 2017	Deed of Trust, Mortgage · Conventional Mortgage PNC MORTGAGE LLC
May 29, 2018	Deed of Trust, Mortgage · Line of Credit PATELCO CU
May 20, 2020	Deed of Trust, Mortgage · Conventional Mortgage PNC BANK NA
Aug 20, 2020	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Mar 22, 2017	Quit Claim Deed, Transfer Quitclaim
Feb 22, 2017	Grant Deed, Transfer · Conventional Mortgage PNC MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 22, 2017 · Amount on File
Deed Sale	Feb 22, 2017 · Amount on File
Prior Sale	Aug 12, 2016 · Amount on File
Deed Document Number	201732126
Last Transfer Date	Mar 17, 2017
Transfer Doc	0000049183
Record Updated	Oct 29, 2026

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONAL LINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000128472
Date	Jul 19, 2017
Instrument	2017-128472

Lender

Name	PNC MORTGAGE LLC
Type	Lending Institution
Address	MIAMISBURG, OH 45342

Agreement

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

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONAL LINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000194792
Date	Oct 24, 2017
Instrument	2017-194792

Lender

Name	PNC MORTGAGE LLC
Type	Lending Institution
Address	MIAMISBURG, OH 45342

Agreement

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

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000083800
Date	May 29, 2018
Instrument	2018-083800

Lender

Name	PATELCO CU
Type	Credit Union
Address	PLEASANTON, CA 94588

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	302 Months
Due	Jun 30, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONALLINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000096176
Date	May 20, 2020
Instrument	2020-096176

Lender

Name	PNC BANK NA
Type	Bank
Address	MIAMISBURG, OH 45342

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2050

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000176954
Date	Aug 20, 2020
Instrument	2020-176954

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	302 Months
Due	Sep 30, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 22, 2017
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Document Number	0000049183
Instrument Date	Mar 17, 2017
Instrument	49183
Transaction Type	Transfer
Record Updated	Nov 7, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	12 MARSHALL CT WALNUT CREEK CA 945984810, WALNUT CREEK, CA 94598-4810

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 22, 2017
Property Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810
Document Number	0000032126
Map Reference	MB37 PG9
Instrument Date	Feb 8, 2017
Instrument	2017-032126
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
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
Address	12 MARSHALL CT, WALNUT CREEK, CA 94598-4810

Mortgage

Document Number	0000032127
Date	Feb 22, 2017
Instrument	2017-032127

Lender

Name	PNC MORTGAGE LLC
Type	Lending Institution

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 12 Marshall Ct was $20,102.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Walnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,760,994 (+2%) Land $1,186,754 Building $574,240
2025	$20,102.00	$1,726,466 Land $1,163,485 Building $562,981
2023	$18,967.00 (+2.29%)	$1,623,153 Land $1,118,306 Building $504,847
2022	$18,543.00

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

Flood

FEMA maps place 12 Marshall Ct in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2004.

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	3 in force
Nearby Flood Claims	1 (2004)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 2004 · tidal / storm surge

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 12 Marshall Ct 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	Indirect within ember reach
Adjoins Burnable Land	Yes

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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 480 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks.

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