1597 3rd Ave, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 1597 3rd Ave, Walnut Creek, CA 94597 · Last verified July 2026

Property Summary

Property Type	Quadplex
Details	3,036 sqft · built 1960
Lot Size	0.23 acres (10,018 sqft)
Owner	Company Name on File
Last Sale	$1,525,000 (Nov 2020)
Tax Bill	$20,930 (2025)
Deeds & Mortgages	Dec 2020 Transfer Nov 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`171-220-045-8`

Property Details

APN / Parcel Number

Primary APN	`171-220-045-8`
Alternative APN	`171-220-045`

Interior

Total Rooms	4 Rooms
Stories	1 Story
Building Area	3,036 sqft Living Area
1st Floor Area	3,036 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Architectural Style	Quadruplex
Lot Area	10,018 sqft (0.23 acres)
Garage Type	Carport
Carport	Carport
Parking Spaces	4 Parking Spaces

Location & Zoning

Street Address	1597 3RD AVE
City	WALNUT CREEK
State	CA
Zip	94597-2675
Property Category	Residential
Property Type	Residential > Multi-Unit > Quadplex
Legal Description	LARKEY RANCH SUBN #2 POR LOT 17
Legal Subdivision	LARKEY RANCH SUB
Legal Lot Number	17
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4002
Census Tract	340001

Owner

Source: Contra Costa County records · APN 171-220-045-8

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	1046 AL TAHOE BLVD, 13583, SOUTH LAKE TAHOE, CA 96151-2330
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Dec 07, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Nov 18, 2020	Grant Deed, Transfer · Conventional Mortgage DATA MORTGAGE INC

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 18, 2020 · Amount on Record
Deed Sale	Nov 18, 2020 · Amount on Record
Deed Document Number	2020278780
Record Updated	Sep 20, 2026

December 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 07, 2020
Property Address	1597 3RD AVE, WALNUT CREEK, CA 94597-2675
Document Number	0000304768
Instrument Date	Nov 17, 2020
Instrument	304768
Transaction Type	Transfer
Record Updated	Dec 16, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	696 SAN RAMON VALLEY BLVD #504 DANVILLE CA 945264022, 504, DANVILLE, CA 94526-4022

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 18, 2020
Property Address	1597 3RD AVE, WALNUT CREEK, CA 94597-2675
Document Number	0000278780
Map Reference	PG 49
Instrument Date	Nov 13, 2020
Instrument	2020-278780
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	696 SAN RAMON VALLEY BLVD, DANVILLE, CA 94526-4022

Mortgage

Document Number	0000278781
Date	Nov 18, 2020
Instrument	2020-278781

Lender

Name	DATA MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 01, 2050

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$1,440,000 (-12.76%) Land $940,000 Building $500,000
2025	$20,930.00 (+3.36%)	$1,650,708 (+4.04%) Land $1,082,432 Building $568,276
2023	$20,249.00 (+0.12%)	$1,586,610 Land $1,040,400 Building $546,210
2022	$20,225.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133400014, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	2 (1982–1986)
Most Recent Claim	Feb 1986, tidal / storm surge, Severe Storms & Flooding

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 520 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Unwired	Fixed Wireless	300 / 25
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

May also be available at this address: Sonic Telecom, AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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