3642 Brook St, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3642 Brook St, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,530 sqft · built 1952
Lot Size	0.478 acres (20,800 sqft)
Owner	Individual Name on File
Tax Bill	$12,789 (2025)
Deeds & Mortgages	Mar 2023 Transfer Mar 2021 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`243-082-033-8`

Property Details

APN / Parcel Number

Primary APN	`243-082-033-8`
Alternative APN	`243-082-033`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,530 sqft Living Area
1st Floor Area	1,795 sqft
Basement Area	735 sqft

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1960
Lot Area	20,800 sqft (0.478 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3642 BROOK ST
City	LAFAYETTE
State	CA
Zip	94549-4202
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PARCEL MAP 16 PG 43 PCL B
Legal Subdivision	PARCEL MAP MS A3 69
Legal Tract	16PM43
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 assessment roll, 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	Individual Name on File
Mailing Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 24, 2023	Intrafamily Transfer, Transfer
Mar 19, 2021	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
Jan 14, 2021	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Mar 17, 2023
Transfer Doc	0000027847
Record Updated	Sep 20, 2026

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 24, 2023
Property Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202
Document Number	0000027848
Map Reference	MB 16 PG 43
Instrument Date	Mar 10, 2023
Instrument	2023-027848
Transaction Type	Transfer
Record Updated	Apr 3, 2023

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
Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202

Mortgage

Document Number	0000083628
Date	Mar 19, 2021
Instrument	2021-083628

Lender

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

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Mar 26, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 14, 2021
Property Address	3642 BROOK ST, LAFAYETTE, CA 94549-4202
Document Number	0000012746
Instrument Date	Jan 4, 2021
Instrument	12746
Transaction Type	Transfer
Record Updated	Jan 26, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	3642 BROOK ST LAFAYETTE CA 945494202, LAFAYETTE, CA 94549-4202

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	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

Year	Tax Bill	Assessed Value
2026		$1,007,556 (+2%) Land $556,820 Building $450,736
2025	$12,789.00 (+1.62%) Homeowner's exemption	$987,801 (-48.95%) Land $545,902 Building $441,899
2023	$12,585.00 (+39.97%)	$1,935,000 Land $1,400,000 Building $535,000
2022	$8,991.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
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

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 45% of the US · lower than 73% of California
Wildfire Likelihood	0.08% annual chance
Exposure	None beyond ember reach

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 275 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Communications, LLC., T-Mobile USA, Verizon.

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