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3642 Happy Valley Rd, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3642 Happy Valley Rd, Lafayette, CA 94549

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,863 sqft · built 1937
Lot Size0.43 acres (18,730 sqft)
OwnerCompany Name on Record
Tax Bill$9,284 (2025)
Deeds & MortgagesMay 2020 Mortgage
Jun 2018 Transfer
Flood ZoneZone X (minimal risk)
APN244-180-027-9

Property Details

APN / Parcel Number

Primary APN244-180-027-9
Alternative APN
  • 244-180-027

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area2,863 sqft Living Area
1st Floor Area2,173 sqft
2nd Floor Area690 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1937
Effective Year BuiltEffective 1978
Architectural StyleTraditional
Exterior MaterialWood Siding
Roof MaterialComposition Shingle
Lot Area18,730 sqft (0.43 acres)
Garage TypeAttached
Garage Area432 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemWall Unit
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address3642 HAPPY VALLEY RD
CityLAFAYETTE
StateCA
Zip94549-3046
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionPOR RO ACALANES
Legal SubdivisionACALANES RHO
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3002
Census Tract348000

Owner

Source: Contra Costa County records, 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 RecordCompany Name on Record
Mailing Address3642 HAPPY VALLEY RD, LAFAYETTE, CA 94549-3046
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
May 14, 2020Deed of Trust, Mortgage · Conventional Mortgage
SPECTRUM CU
Jun 6, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMay 9, 2018
Transfer Doc0000089767
Record UpdatedOct 29, 2026

May 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3642 HAPPY VALLEY RD, LAFAYETTE, CA 94549-3046
Document Number0000097618
Instrument DateMay 14, 2020
Transaction TypeMortgage
Record UpdatedJun 1, 2020
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3642 HAPPY VALLEY RD LAFAYETTE CA 945493046, LAFAYETTE, CA 94549-3046

Mortgage

Document Number0000097618
DateMay 22, 2020
Instrument97618
Lender
NameSPECTRUM CU
AddressOAKLAND, CA 94607
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueMay 21, 2050

June 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 6, 2018
Property Address3642 HAPPY VALLEY RD, LAFAYETTE, CA 94549-3046
Document Number0000089767
Instrument DateMay 9, 2018
Instrument89767
Transaction TypeTransfer
Record UpdatedJun 13, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3642 HAPPY VALLEY RD LAFAYETTE CA 945493046, LAFAYETTE, CA 94549-3046

Tax Assessment & Valuation

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$764,607 (+2%) Land $337,635 Building $426,972
2025$9,284.00 (+3.73%)$749,615 (+4.04%) Land $331,015 Building $418,600
2023$8,950.00 (+1.52%)$720,509 Land $318,162 Building $402,347
2022$8,816.00

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies6 in force
Nearby Flood Claims2 (1980–2019)
Claims Outside the SFHA1 of 2
Most Recent ClaimMar 2019 · other causes

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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 291 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20

May also be available: Etheric Networks, T-Mobile.

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