3171 Walnut Blvd, Walnut Creek, CA 94596 Property Records

Contra Costa County property record for 3171 Walnut Blvd, Walnut Creek, CA 94596

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 3,416 sqft · built 1990
Lot Size	0.37 acres (16,117 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,475,000 (Apr 2026)
Tax Bill	$19,529 (2025)
Deeds & Mortgages	May 2021 Mortgage Apr 2026 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`180-230-026-7`

Property Details

APN / Parcel Number

Primary APN	`180-230-026-7`
Alternative APN	`180-230-026`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,416 sqft Living Area
1st Floor Area	1,609 sqft
2nd Floor Area	1,807 sqft

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1995
Lot Area	16,117 sqft (0.37 acres)
Garage Type	Attached
Garage Area	736 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	3171 WALNUT BLVD
City	WALNUT CREEK
State	CA
Zip	94596-5442
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PCL MAP 141 PG 38 PCL 1 & POR 2
Legal Subdivision	SUBDIVISION MS 803-88
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1003
Census Tract	343001

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	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
May 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
Apr 17, 2026	Grant Deed, Transfer · Conventional Mortgage CORNERSTONE MORTGAGE INC
Jan 31, 2019	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 17, 2026 · Amount on Record
Deed Sale	Apr 17, 2026 · Amount on Record
Prior Sale	Apr 27, 2015 · Amount on Record
Deed Document Number	202639278
Prior Transfer Date	Jan 23, 2019
Prior Transfer Doc	0000014074
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442
Transaction Type	Mortgage
Record Updated	Apr 29, 2026
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442

Mortgage

Document Number	0000140311
Date	May 11, 2021
Instrument	2021-140311

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Jun 1, 2036

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 17, 2026
Property Address	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442
Document Number	0000039278
Instrument Date	Apr 13, 2026
Instrument	202639278
Transaction Type	Transfer
Record Updated	Aug 24, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$274,972.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442

Mortgage

Document Number	0000039279,
Date	Apr 17, 2026
Instrument	202639279

Lender

Name	CORNERSTONE MORTGAGE INC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	6.38%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 31, 2019
Property Address	3171 WALNUT BLVD, WALNUT CREEK, CA 94596-5442
Document Number	0000014074
Instrument Date	Jan 23, 2019
Instrument	14074
Transaction Type	Transfer
Record Updated	Feb 8, 2019

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	3171 WALNUT BLVD WALNUT CREEK CA 945965442, WALNUT CREEK, CA 94596-5442

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
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		$1,716,230 (+2%) Land $919,408 Building $796,822
2025	$19,529.00 (+3.83%) Homeowner's exemption	$1,682,580 (+4.04%) Land $901,381 Building $781,199
2023	$18,809.00 (+2.3%) Homeowner's exemption	$1,617,245 Land $866,380 Building $750,865
2022	$18,387.00

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	2 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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	Moderate above 52% of the US · lower than 69% of California
Wildfire Likelihood	0.1% 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 182 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
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 · Fiber in parts of the area	100 / 20

May also be available: Etheric Networks.

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