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523 4th St, Oakley, CA 94561 Property Records

Contra Costa County property record for 523 4th St, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,618 sqft · built 1940
Lot Size0.205 acres (8,910 sqft)
Owner2 Individual Names on File
Last Sale$390,000 (Mar 2017)
Tax Bill$5,914 (2025)
Deeds & MortgagesOct 2020 Mortgage
Nov 2019 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN035-300-002-9

Property Details

APN / Parcel Number

Primary APN035-300-002-9
Alternative APN
  • 035-300-002

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,618 sqft Living Area
1st Floor Area1,618 sqft
Basement Area439 sqft

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area8,910 sqft (0.205 acres)
Garage TypeAttached
Garage Area439 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address523 4TH ST
CityOAKLEY
StateCA
Zip94561-2175
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 3678 LOT 2 EX MR
Legal SubdivisionSUBDIVISION 3678
Legal Tract3678
Legal Lot Number2
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2021
Census Tract302007

Owner

Source: Contra Costa County records · APN 035-300-002-9

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address523 4TH ST, OAKLEY, CA 94561-2175
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Oct 14, 2020Deed of Trust, Mortgage · Conventional Mortgage
FLAGSTAR BANK FSB
Nov 08, 2019Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS
Mar 02, 2017Grant Deed, Transfer · Conventional Mortgage
MOVEMENT MORTGAGE

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 02, 2017 · Amount on Record
Deed SaleMar 02, 2017 · Amount on Record
Prior SaleJan 15, 2016 · Amount on Record
Deed Document Number201738100
Prior Transfer DateOct 30, 2003
Prior Transfer Doc0000550445
Record UpdatedSep 20, 2026

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address523 4TH ST, OAKLEY, CA 94561-2175
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyCHICAGO TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address523 4TH ST, OAKLEY, CA 94561-2175

Mortgage

Document Number0000237232
DateOct 14, 2020
Instrument2020-237232
Lender
NameFLAGSTAR BANK FSB
TypeBank
AddressTROY, MI 48098
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2050

November 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address523 4TH ST, OAKLEY, CA 94561-2175
Document Number0000205977
Instrument DateNov 08, 2019
Transaction TypeMortgage
Record UpdatedNov 27, 2019
Title CompanyNORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address523 4TH ST OAKLEY CA 945612175, OAKLEY, CA 94561-2175

Mortgage

Document Number0000205977
DateNov 18, 2019
Instrument205977
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 17, 2049

March 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 02, 2017
Property Address523 4TH ST, OAKLEY, CA 94561-2175
Document Number0000038100
Map ReferenceMB116 PG41
Instrument DateFeb 28, 2017
Instrument2017-038100
Transaction TypeTransfer
Record UpdatedJul 19, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address523 4TH ST, OAKLEY, CA 94561-2175

Mortgage

Document Number0000038101
DateMar 02, 2017
Instrument2017-038101
Lender
NameMOVEMENT MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueMar 01, 2047

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

YearTax BillAssessed Value
2026$461,673 (+2%) Land $201,241 Building $260,432
2025$5,914.00 (+3%) Homeowner's exemption$452,622 (+4.04%) Land $197,296 Building $255,326
2023$5,742.00 (+0.84%) Homeowner's exemption$435,048 Land $189,636 Building $245,412
2022$5,694.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133020072, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies8 in force
Nearby Flood Claims1 (1998)
Most Recent ClaimFeb 1998 · Severe Winter Storms And Flooding

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 645 locations within half a mile · Last verified October 2026

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

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water SystemDIABLO WATER DISTRICT
serves 47,158 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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