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4087 Lambert Rd, El Sobrante, CA 94803 Property Records

Contra Costa County property record for 4087 Lambert Rd, El Sobrante, CA 94803

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 914 sqft · built 1946
Lot Size0.296 acres (12,900 sqft)
OwnerIndividual Name on File
Last Sale$416,000 (Jan 2020)
Tax Bill$6,941 (2025)
Deeds & MortgagesJan 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN425-050-002-4

Property Details

APN / Parcel Number

Primary APN425-050-002-4
Alternative APN
  • 425-050-002

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area914 sqft Living Area
1st Floor Area914 sqft

Exterior

Year BuiltBuilt 1946
Effective Year BuiltEffective 1946
Lot Area12,900 sqft (0.296 acres)
Garage TypeAttached
Garage Area464 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4087 LAMBERT RD
CityEL SOBRANTE
StateCA
Zip94803-1743
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR6
Legal DescriptionSANTA RITA ACRES #6 343
Legal SubdivisionSANTA RITA ACRES
Legal Lot Number343
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract363000

Owner

4087 Lambert Rd is owned and occupied by an individual who bought it in January 2020.

Source: Contra Costa County records, as of July 14, 2026

Owner of RecordIndividual Name on File
Mailing Address4087 LAMBERT RD, EL SOBRANTE, CA 94803-1743
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 28, 2020 · Amount on File
Deed SaleJan 28, 2020 · Amount on File
Deed Document Number202016985
Record UpdatedOct 29, 2026

January 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 28, 2020
Property Address4087 LAMBERT RD, EL SOBRANTE, CA 94803-1743
Document Number0000016985
Instrument DateJan 22, 2020
Instrument16985
Transaction TypeTransfer
Record UpdatedFeb 6, 2020
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$458.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4087 LAMBERT RD EL SOBRANTE CA 948031743, EL SOBRANTE, CA 94803-1743

Mortgage

Document Number16986
DateJan 28, 2020
Instrument16986
Lender
NameSYNERGY ONE LNDG
AddressSAN DIEGO, CA 92108
Agreement
TypeConventional with PMI
AmountAmount on Record
Term360 Months
DueJan 27, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 4087 Lambert Rd was $6,941 with a homeowner's exemption.

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$464,050 (+2%) Land $362,541 Building $101,509
2025$6,941.00 Homeowner's exemption$454,952 Land $355,433 Building $99,519
2023$6,631.00 (-49.58%) Homeowner's exemption$437,287 Land $341,632 Building $95,655
2022$13,152.00

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

Flood

FEMA maps place 4087 Lambert Rd in Zone X, an area of minimal flood risk.

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 File
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

Wildfire risk around 4087 Lambert Rd is low, with a 0.02% annual chance of 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 Likelihood0.02% 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 481 locations within half a mile, as of December 31, 2025

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

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

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