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  5. Lambert Rd

4028 Lambert Rd, El Sobrante, CA 94803 Property Records

Contra Costa County property record for 4028 Lambert Rd, El Sobrante, CA 94803

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,703 sqft · built 1988
Lot Size0.253 acres (11,000 sqft)
Owner2 Individual Names on Record
Last Sale$483,000 (May 2014)
Tax Bill$8,831 (2025)
Deeds & MortgagesJan 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN425-040-009-2

Property Details

APN / Parcel Number

Primary APN425-040-009-2
Alternative APN
  • 425-040-009

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area1,703 sqft Living Area
1st Floor Area589 sqft
2nd Floor Area1,114 sqft

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1995
Architectural StyleTraditional
Exterior MaterialWood Siding
Roof MaterialComposition Shingle
Lot Area11,000 sqft (0.253 acres)
Garage TypeAttached
Garage Area525 sqft
Parking Spaces2 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4028 LAMBERT RD
CityEL SOBRANTE
StateCA
Zip94803-1710
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR6
Legal DescriptionSANTA RITA ACRES #6 358
Legal SubdivisionSANTA RITA ACRES 06
Legal Lot Number358
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract363000

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 Record2 Individual Names on Record
Mailing Address4028 LAMBERT RD, EL SOBRANTE, CA 94803-1710
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 2, 2014 · Amount on Record
Deed SaleMay 2, 2014 · Amount on Record
Prior SaleOct 23, 1998 · Amount on Record
Deed Document Number201469401
Prior Transfer DateApr 9, 2010
Prior Transfer Doc0000070805
Record UpdatedOct 29, 2026

January 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4028 LAMBERT RD, EL SOBRANTE, CA 94803-1710
Document Number0000024810
Instrument DateJan 19, 2018
Transaction TypeMortgage
Record UpdatedFeb 21, 2018
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address4028 LAMBERT RD EL SOBRANTE CA 948031710, EL SOBRANTE, CA 94803-1710

Mortgage

Document Number0000024810
DateFeb 16, 2018
Instrument24810
Lender
NameUSAA
AddressSAN ANTONIO, TX 78288-0544
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term120 Months
DueFeb 15, 2028

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$603,922 (+2%) Land $312,590 Building $291,332
2025$8,831.00 (+4.55%) Homeowner's exemption$592,081 (+4.04%) Land $306,461 Building $285,620
2023$8,447.00 (+1.37%) Homeowner's exemption$569,091 Land $294,561 Building $274,530
2022$8,333.00

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
Flood Insurance CostPremium on Record
median of 13 policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies13 in force

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 67% of the US · lower than 81% of California
Wildfire Likelihood0.03% 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 216 locations within half a mile, as of December 31, 2025

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

May also be available: Sonic Telecom, T-Mobile.

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