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506 Lassen Way, Oakley, CA 94561 Property Records

Contra Costa County property record for 506 Lassen Way, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,686 sqft · built 2005
Lot Size0.103 acres (4,500 sqft)
Owner2 Trust Names on File
Last Sale$199,000 (Feb 2012)
Tax Bill$4,482 (2025)
Deeds & MortgagesJun 2019 Transfer
Jan 2019 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN033-420-014-4

Property Details

APN / Parcel Number

Primary APN033-420-014-4
Alternative APN
  • 033-420-014

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,686 sqft Living Area
1st Floor Area1,686 sqft

Exterior

Year BuiltBuilt 2005
Effective Year BuiltEffective 2005
Lot Area4,500 sqft (0.103 acres)
Garage TypeAttached
Garage Area467 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address506 LASSEN WAY
CityOAKLEY
StateCA
Zip94561-5231
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8816 L14
Legal SubdivisionSUBDIVISION 8816
Legal Tract8816
Legal Lot Number14
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2009
Census Tract302012

Owner

506 Lassen Way is held in a trust since June 2019.

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

Owner of Record2 Trust Names on File
Mailing Address4214 QUAIL RUN DR, DANVILLE, CA 94506-5845
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
Jun 21, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY
Jan 15, 2019Affidavit of Death, Transfer
ATTORNEY ONLY
Jan 15, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 29, 2012 · Amount on File
Deed SaleFeb 29, 2012 · Amount on File
Prior SaleSep 26, 2011 · Amount on File
Deed Document Number201246476
Last Transfer DateJun 10, 2019
Transfer Doc0000094234
Record UpdatedSep 20, 2026

June 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 21, 2019
Property Address506 LASSEN WAY, OAKLEY, CA 94561-5231
Document Number0000094234
Instrument DateJun 10, 2019
Instrument94234
Transaction TypeTransfer
Record UpdatedJul 1, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address4214 QUAIL RUN DR DANVILLE CA 945065845, DANVILLE, CA 94506-5845

January 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateJan 15, 2019
Property Address506 LASSEN WAY, OAKLEY, CA 94561-5231
Document Number0000005690
Instrument DateDec 4, 2018
Instrument5690
Transaction TypeTransfer
Record UpdatedJan 25, 2019
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address4214 QUAIL RUN DR DANVILLE CA 945065845, DANVILLE, CA 94506-5845

January 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 15, 2019
Property Address506 LASSEN WAY, OAKLEY, CA 94561-5231
Document Number0000005691
Instrument DateDec 4, 2018
Instrument5691
Transaction TypeTransfer
Record UpdatedJan 25, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address506 LASSEN WAY OAKLEY CA 945615231, OAKLEY, CA 94561-5231

Tax Assessment & Valuation

The 2025 property tax bill for 506 Lassen Way was $4,482.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityOakley City
Secondary School DistrictLiberty Union High School District (09 - 12)
Elementary School DistrictOakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$254,941 (+2%) Land $40,349 Building $214,592
2025$4,482.00$249,943 Land $39,558 Building $210,385
2023$4,326.00 (-0.69%)$240,239 Land $38,023 Building $202,216
2022$4,356.00

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

Flood

FEMA maps place 506 Lassen Way 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
Nearby Flood Policies2 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 506 Lassen Way 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 93% of the US · lower than 96% of California
Wildfire Likelihood0.02% 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 SystemDIABLO WATER DISTRICT
serves 47,158 people · EPA ID CA0710007
Water SourcePurchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State InspectionJan 2024
Also Mapped HereCONTRA COSTA WATER DISTRICT
Lead2 ppb (2020–2022)
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 597 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

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