1620 3rd Ave, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 1620 3rd Ave, Walnut Creek, CA 94597

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,930 sqft · built 1956
Lot Size	0.52 acres (22,651 sqft)
Owner	2 Company Names on Record
Last Sale	$680,000 (Oct 2008)
Tax Bill	$10,487 (2025)
Deeds & Mortgages	May 2021 Mortgage Feb 2022 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`171-191-038-8`

Property Details

APN / Parcel Number

Primary APN	`171-191-038-8`
Alternative APN	`171-191-038`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,930 sqft Living Area
1st Floor Area	1,930 sqft

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1966
Lot Area	22,651 sqft (0.52 acres)
Garage Type	Attached
Garage Area	800 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1620 3RD AVE
City	WALNUT CREEK
State	CA
Zip	94597-2607
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R8
Legal Description	LARKEY RANCH SUBN #2 POR LOT 16
Legal Subdivision	LARKEY RANCH SUB
Legal Lot Number	16
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	340001

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 Company Names on Record
Mailing Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage 1ST NORTHERN CALIFORNIA CU
Feb 22, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Feb 22, 2022	Intrafamily Transfer, Transfer AMROCK LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 24, 2008 · Amount on Record
Deed Sale	Oct 24, 2008 · Amount on Record
Deed Document Number	2008235451
Last Transfer Date	Feb 11, 2022
Transfer Doc	0000032027
Record Updated	Sep 20, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607

Mortgage

Document Number	0000139900
Date	May 11, 2021
Instrument	2021-139900

Lender

Name	1ST NORTHERN CALIFORNIA CU
Type	Credit Union
Address	MARTINEZ, CA 94553

Agreement

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

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 22, 2022
Property Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607
Document Number	0000032027
Map Reference	MB 2 PG 49
Instrument Date	Feb 11, 2022
Instrument	2022-032027
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	AMROCK INC, AMROCK LLC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607

Mortgage

Document Number	0000032028
Date	Feb 22, 2022
Instrument	2022-032028

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Mar 1, 2042

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 22, 2022
Property Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607
Document Number	0000032029
Map Reference	MB 2 PG 49
Instrument Date	Feb 11, 2022
Instrument	2022-032029
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	AMROCK LLC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1620 3RD AVE, WALNUT CREEK, CA 94597-2607

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		$893,172 (+2%) Land $683,022 Building $210,150
2025	$10,487.00 (+4.08%) Homeowner's exemption	$875,660 (+4.04%) Land $669,630 Building $206,030
2023	$10,076.00 (+0.89%) Homeowner's exemption	$841,659 Land $643,628 Building $198,031
2022	$9,987.00

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
Nearby Flood Claims	2 (1980–1998)
Claims Outside the SFHA	1 of 2
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	Not rated no burnable land within 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	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 520 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	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: Sonic Telecom.

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