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4540 Quarter Ln, Oakley, CA 94561 Property Records

Contra Costa County property record for 4540 Quarter Ln, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.5 ba · 3,199 sqft · built 1985
Lot Size0.898 acres (39,123 sqft)
Owner2 Individual Names on File
Tax Bill$6,274 (2025)
Deeds & MortgagesApr 2023 Transfer
Apr 2023 Transfer
+ 2 more
Flood ZoneZone X (minimal risk)
APN041-100-027-6

Property Details

APN / Parcel Number

Primary APN041-100-027-6
Alternative APN
  • 041-100-027

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms12 Rooms
Stories2 Stories
Building Area3,199 sqft Living Area
1st Floor Area1,921 sqft
2nd Floor Area1,278 sqft

Exterior

Year BuiltBuilt 1985
Effective Year BuiltEffective 1986
Lot Area39,123 sqft (0.898 acres)
Garage TypeAttached
Garage Area690 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4540 QUARTER LN
CityOAKLEY
StateCA
Zip94561-4175
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT05485 L0002 B
Legal SubdivisionSUBDIVISION 5485
Legal Tract05485
Legal Lot Number2
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1010
Census Tract302013

Owner

4540 Quarter Ln is owned and occupied by two individuals who acquired it in June 1994.

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

Owner of Record2 Individual Names on File
Mailing Address4540 QUARTER LN, OAKLEY, CA 94561-4175
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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
Apr 5, 2023Gift Deed, Transfer
Apr 5, 2023Intrafamily Transfer, Transfer
Mar 22, 2019Affidavit of Death, Transfer
ATTORNEY ONLY
Mar 8, 2018Quit Claim Deed, Transfer
OTHER

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJun 30, 1994
Transfer Doc0000181777
Record UpdatedOct 29, 2026

April 2023: Gift Deed, Transfer

Document TypeGift Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 5, 2023
Property Address4540 QUARTER LN, OAKLEY, CA 94561-4175
Document Number0000031428
Map ReferenceMB 269 PG 4
Instrument DateMar 29, 2023
Instrument2023-031428
Transaction TypeTransfer
Record UpdatedApr 14, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4540 QUARTER LN, OAKLEY, CA 94561-4175

April 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateApr 5, 2023
Property Address4540 QUARTER LN, OAKLEY, CA 94561-4175
Document Number0000031429
Map ReferenceMB 269 PG 4
Instrument DateMar 29, 2023
Instrument2023-031429
Transaction TypeTransfer
Record UpdatedApr 14, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address4540 QUARTER LN, OAKLEY, CA 94561-4175

March 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateMar 22, 2019
Property Address4540 QUARTER LN, OAKLEY, CA 94561-4175
Document Number0000039777
Instrument DateMar 7, 2019
Instrument39777
Transaction TypeTransfer
Record UpdatedApr 16, 2019
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address4540 QUARTER LN OAKLEY CA 945614175, OAKLEY, CA 94561-4175

March 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 8, 2018
Property Address4540 QUARTER LN, OAKLEY, CA 94561-4175
Document Number0000036041
Instrument DateMar 2, 2018
Instrument36041
Transaction TypeTransfer
Record UpdatedMar 16, 2018
Title CompanyOTHER

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address4540 QUARTER LN OAKLEY CA 945614175, OAKLEY, CA 94561-4175

Tax Assessment & Valuation

The 2025 property tax bill for 4540 Quarter Ln was $6,274 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityOakley City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$568,751 (+2%) Land $111,857 Building $456,894
2025$6,274.00 Homeowner's exemption$557,600 Land $109,664 Building $447,936
2023$6,093.00 (+3.06%)$850,475 Land $297,703 Building $552,772
2022$5,912.00

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

Flood

FEMA maps place 4540 Quarter Ln in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 4540 Quarter Ln is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 95% of the US · lower than 97% of California
Wildfire Likelihood0.01% 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 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 491 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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