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3651 Brook St, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3651 Brook St, Lafayette, CA 94549

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,884 sqft · built 1948
Lot Size0.389 acres (16,954 sqft)
Owner2 Trust Names on File
Tax Bill$5,557 (2025)
Deeds & MortgagesSep 2026 Sale
Oct 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APN241-100-018-1

Property Details

APN / Parcel Number

Primary APN241-100-018-1
Alternative APN
  • 241-100-018

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,884 sqft Living Area
1st Floor Area1,884 sqft

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Lot Area16,954 sqft (0.389 acres)
Garage TypeAttached
Garage Area294 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address3651 BROOK ST
CityLAFAYETTE
StateCA
Zip94549-4234
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionRESUB LOTS 15 & 18 LAF HTS LOT 7
Legal SubdivisionLAFAYETTE HEIGHTS
Legal Lot Number7
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4008
Census Tract350000

Owner

3651 Brook St is owner-occupied and held in a trust.

Source: Contra Costa County records, as of September 22, 2026

Owner of Record2 Trust Names on File
Mailing Address3651 BROOK ST, LAFAYETTE, CA 94549-4234
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Sep 14, 2026Grant Deed, Transfer
NONE LISTED ON DOCUMENT
Oct 9, 2018Deed of Trust, Mortgage · Line of Credit
MECHANICS BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedOct 29, 2026

September 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 14, 2026
Property Address3651 BROOK ST, LAFAYETTE, CA 94549-4234
Document Number0000096284
Instrument DateSep 3, 2026
Instrument202696284
Transaction TypeTransfer
Record UpdatedSep 22, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTrust
Address3651 BROOK ST, LAFAYETTE, CA 94549-4234

October 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3651 BROOK ST, LAFAYETTE, CA 94549-4234
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyCHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000160087
DateOct 9, 2018
Instrument2018-160087
Lender
NameMECHANICS BANK
TypeBank
AddressHERCULES, CA 94547
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2025 property tax bill for 3651 Brook St was $5,557 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityLafayette City
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictLafayette Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$452,274 (+2%) Land $203,107 Building $249,167
2025$5,557.00 Homeowner's exemption$443,407 Land $199,125 Building $244,282
2023$5,343.00 (+1.46%) Homeowner's exemption$426,192 Land $191,394 Building $234,798
2022$5,266.00

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

Flood

FEMA maps place 3651 Brook St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims6 (1983–1998)
Claims Outside the SFHA4 of 6
Most Recent ClaimFeb 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

Wildfire risk around 3651 Brook St is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 45% of the US · lower than 73% of California
Wildfire Likelihood0.08% annual chance
ExposureNone
beyond 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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 Networks, T-Mobile, Verizon.

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