3609 Walnut St, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3609 Walnut St, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 897 sqft · built 1948
Lot Size	0.18 acres (7,840 sqft)
Owner	2 Individual Names on File
Last Sale	$1,100,000 (Sep 2025)
Tax Bill	$5,678 (2025)
Deeds & Mortgages	Sep 2025 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`243-090-036-1`

Property Details

APN / Parcel Number

Primary APN	`243-090-036-1`
Alternative APN	`243-090-036`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	897 sqft Living Area
1st Floor Area	672 sqft
2nd Floor Area	225 sqft

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1958
Lot Area	7,840 sqft (0.18 acres)
Garage Type	Attached
Garage Area	320 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	3609 WALNUT ST
City	LAFAYETTE
State	CA
Zip	94549-4220
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	BICKERSTAFF TR POR LOTS 19&20 BLK 4
Legal Subdivision	BICKERSTAFF
Legal Block	4
Legal Lot Number	19,20
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1009
Census Tract	350000

Owner

Source: Contra Costa County records · APN 243-090-036-1

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 Individual Names on File
Mailing Address	3255 HILLVIEW LN, LAFAYETTE, CA 94549-2616
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 16, 2025 · Amount on Record
Deed Sale	Sep 16, 2025 · Amount on Record
Prior Sale	Jun 23, 2025 · Amount on Record
Deed Document Number	202594481
Prior Transfer Date	Apr 04, 1996
Prior Transfer Doc	0000100707
Record Updated	Sep 20, 2026

September 2025: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 16, 2025
Property Address	3609 WALNUT ST, LAFAYETTE, CA 94549-4220
Document Number	0000094481
Map Reference	MB 17 PG 355
Instrument Date	Jun 18, 2025
Instrument	2025- 094481
Record Updated	Sep 29, 2025
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship
Address	3255 HILLVIEW LN, LAFAYETTE, CA 94549-2616

Mortgage

Document Number	0000094482
Date	Sep 16, 2025
Instrument	2025- 094482

Lender

Name	1996 NORMAN W BRUDIGAM TRUST LIV
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

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	Lafayette City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Lafayette Elementary School District (KG - 08)

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		$1,122,000 (+244.66%) Land $918,000 Building $204,000
2025	$5,678.00 (+3.92%)	$325,540 (+4.04%) Land $242,766 Building $82,774
2023	$5,464.00 (+1.6%)	$312,900 Land $233,340 Building $79,560
2022	$5,378.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 25 individual policies
Nearby Flood Policies	63 units insured incl. 38 condo units
Nearby Flood Claims	9 (1987–2001)
Claims Outside the SFHA	1 of 9
Most Recent Claim	Dec 2001 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 4 claims Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 2 claims

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, T-Mobile USA.

Based on FCC filings for 459 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.