1830 3rd Ave, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 1830 3rd Ave, Walnut Creek, CA 94597 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,418 sqft · built 1948
Lot Size	0.358 acres (15,600 sqft)
Owner	2 Company Names on File
Last Sale	$910,000 (Jul 2026)
Tax Bill	$1,662 (2025)
Deeds & Mortgages	Jul 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`171-171-010-1`

Property Details

APN / Parcel Number

Primary APN	`171-171-010-1`
Alternative APN	`171-171-010`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,418 sqft Living Area
1st Floor Area	1,418 sqft

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Lot Area	15,600 sqft (0.358 acres)
Garage Type	Attached
Garage Area	777 sqft
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	1830 3RD AVE
City	WALNUT CREEK
State	CA
Zip	94597-2643
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T04368 L0018 B
Legal Tract	04368
Legal Lot Number	18
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 · APN 171-171-010-1

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	2 Company Names on File
Mailing Address	3030 LUNADA LN, ALAMO, CA 94507-1514
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 08, 2026 · Amount on Record
Deed Sale	Jul 08, 2026 · Amount on Record
Deed Document Number	202671778
Prior Transfer Date	Apr 17, 2001
Prior Transfer Doc	0000127803
Record Updated	Sep 20, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 08, 2026
Property Address	1830 3RD AVE, WALNUT CREEK, CA 94597-2643
Document Number	0000071778
Instrument Date	Jun 30, 2026
Instrument	202671778
Transaction Type	Transfer
Record Updated	Jul 14, 2026
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Tax	$101,101.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	3030 LUNADA LN, ALAMO, CA 94507-1514

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 and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value
2026		$84,947 (+2%) Land $34,969 Building $49,978
2025	$1,662.00 (+5.79%) Homeowner's exemption	$83,283 (+4.04%) Land $34,284 Building $48,999
2023	$1,571.00 (+1.03%) Homeowner's exemption	$80,051 Land $32,953 Building $47,098
2022	$1,555.00

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 060133400013, 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
Flood Insurance Cost	Premium on Record median of 1 individual NFIP policies nearby
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	1 in force 1 of 1 on primary residences
Nearby Flood Claims	2 (1980–1998)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Feb 1998, rainfall accumulation, Severe Winter Storms And 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.