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4320 Lorenzetti Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 4320 Lorenzetti Dr, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,485 sqft · built 1980
Lot Size0.149 acres (6,480 sqft)
OwnerIndividual Name on File
Last Sale$145,000 (Oct 1993)
Tax Bill$6,923 (2025)
Deeds & MortgagesSep 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN035-381-012

Property Details

APN / Parcel Number

Primary APN035-381-012
Alternative APN
  • 035-381-012-0

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area1,485 sqft Living Area
Gross Area1,884 sqft
1st Floor Area1,485 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1981
Exterior MaterialBlock
Construction TypeFrame
Lot Area6,480 sqft (0.149 acres)
Garage TypeAttached
Garage Area399 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4320 LORENZETTI DR
CityOAKLEY
StateCA
Zip94561-2312
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT05011 L0012 B EX MR
Legal SubdivisionSUBDIVISION 5011
Legal Tract05011
Legal Lot Number12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2002
Census Tract302014

Owner

Source: Contra Costa County records, as of October 12, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on File
Mailing Address4320 LORENZETTI DR, OAKLEY, CA 94561-2312
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 6, 1993 · Amount on File
Deed SaleOct 6, 1993 · Amount on File
Deed Document Number1993278105
Deed Book / Page19019 / 141
Last Transfer DateOct 12, 2007
Transfer Doc0000287541
Record UpdatedOct 29, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4320 LORENZETTI DR, OAKLEY, CA 94561-2312
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyADVANTAGE TITLE LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address4320 LORENZETTI DR, OAKLEY, CA 94561-2312

Mortgage

Document Number0000255292
DateSep 14, 2021
Instrument2021-255292
Lender
NamePREMIUM SECURITY INC
TypeMortgage Company
AddressHENDERSON, NV 89014
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2051

Tax Assessment & Valuation

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$251,355 (+2%) Land $69,329 Building $182,026
2025$6,923.00 (+1.5%) Homeowner's exemption$246,427 (+4.04%) Land $67,970 Building $178,457
2023$6,821.00 (+92.63%) Homeowner's exemption$236,860 Land $65,332 Building $171,528
2022$3,541.00

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
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

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 LikelihoodUnder 0.01% 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 850 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
AT&T
DSL		100 / 20

May also be available: Verizon.

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