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831 Las Trampas Rd, Lafayette, CA 94549 Property Records

Contra Costa County property record for 831 Las Trampas Rd, Lafayette, CA 94549

Property Summary

Property TypeSingle Family Home
Details5 bd · 5.5 ba · 5,564 sqft · built 1940
Lot Size2.37 acres (103,542 sqft)
OwnerCompany Name on Record
Tax Bill$52,879 (2025)
Deeds & MortgagesDec 2019 Mortgage
Sep 2020 Transfer
Flood ZoneZone X (minimal risk)
APN234-170-059-5

Property Details

APN / Parcel Number

Primary APN234-170-059-5
Alternative APNs
  • 234-170-059
  • 2341700546

Interior

Bedrooms5 Beds
Full Baths5.5 Baths
Half Baths1 Half Bath
Total Rooms15 Rooms
Stories1 Story
Building Area5,564 sqft Living Area
1st Floor Area5,564 sqft

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1985
Lot Area103,542 sqft
Garage TypeAttached
Garage Area396 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address831 LAS TRAMPAS RD
CityLAFAYETTE
StateCA
Zip94549-4825
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionPOR RO COLORADOS & TR ADJ
Legal SubdivisionLAFAYETTE OAKS
Legal Lot Number130
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2012
Census Tract349000

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 Address831 LAS TRAMPAS RD, LAFAYETTE, CA 94549-4825
Owner TypeCompany

Deeds, Mortgages & Sale History

DateDocument
Dec 12, 2019Deed of Trust, Mortgage · Conventional Mortgage
CITIBANK NA
Sep 14, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 8, 2008
Deed SaleJan 8, 2008
Prior SaleApr 10, 1997 · Amount on Record
Deed Document Number20083528
Record UpdatedOct 29, 2026

December 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address831 LAS TRAMPAS RD, LAFAYETTE, CA 94549-4825
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIDELITY TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000223201
DateDec 12, 2019
Instrument2019-223201
Lender
NameCITIBANK NA
TypeBank
AddressO FALLON, MO 63368
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJan 1, 2050

September 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 14, 2020
Property Address831 LAS TRAMPAS RD, LAFAYETTE, CA 94549-4825
Document Number0000203268
Instrument DateSep 3, 2020
Instrument203268
Transaction TypeTransfer
Record UpdatedSep 25, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address831 LAS TRAMPAS RD LAFAYETTE CA 945494825, LAFAYETTE, CA 94549-4825

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$4,765,905 (+2%) Land $2,428,977 Building $2,336,928
2025$52,879.00 (+3.79%)$4,672,456 (+4.44%) Land $2,381,350 Building $2,291,106
2023$50,946.00 (+1.53%)$4,473,720 Land $2,288,880 Building $2,184,840
2022$50,176.00

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
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 in force
Nearby Flood Claims5 (1982–2023)
Claims Outside the SFHA1 of 5
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 64% of the US · lower than 79% of California
Wildfire Likelihood0.03% annual chance
ExposureDirect
burnable vegetation

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

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL		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.

Cell Coverage

5G (outdoors only) and 4G LTE

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