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543 Gemstone Way, Oakley, CA 94561 Property Records

Contra Costa County property record for 543 Gemstone Way, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,947 sqft · built 2021
Lot Size0.09 acres (3,911 sqft)
Owner2 Individual Names on File
Last Sale$712,000 (Jul 2022)
Tax Bill$13,114 (2025)
Deeds & MortgagesJul 2022 Transfer
Jul 2022 Sale & Mortgage
Flood ZoneZone X (reduced by levee)
APN037-620-057-2

Property Details

APN / Parcel Number

Primary APN037-620-057-2
Alternative APN
  • 037-620-057

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area1,947 sqft Living Area
1st Floor Area854 sqft
2nd Floor Area1,093 sqft

Exterior

Year BuiltBuilt 2021
Effective Year BuiltEffective 2022
Lot Area3,911 sqft (0.09 acres)
Garage TypeAttached
Garage Area427 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address543 GEMSTONE WAY
CityOAKLEY
StateCA
Zip94561-6046
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9516 L57
Legal SubdivisionWOODBURY SUB #9516
Legal Tract9516
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1009
Census Tract302011

Owner

543 Gemstone Way is owned and occupied by two individuals who bought it in July 2022.

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

Owner of Record2 Individual Names on File
Mailing Address543 GEMSTONE WAY, OAKLEY, CA 94561-6046
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

DateDocument
Jul 15, 2022Intrafamily Transfer, Transfer
LENNAR TITLE INC
Jul 15, 2022Grant Deed, Subdivision Related Transfer · Conventional Mortgage
CALIBER HOME LOANS INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 15, 2022 · Amount on File
Deed SaleJul 15, 2022 · Amount on File
Deed Document Number2022113712
Record UpdatedSep 20, 2026

July 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJul 15, 2022
Property Address543 GEMSTONE WAY, OAKLEY, CA 94561-6046
Document Number0000113711
Map ReferenceMB 543 PG 36-43
Instrument DateJul 1, 2022
Instrument2022-113711
Transaction TypeTransfer
Record UpdatedAug 1, 2023
Title CompanyLENNAR TITLE INC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address543 GEMSTONE WAY, OAKLEY, CA 94561-6046

July 2022: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 15, 2022
Property Address543 GEMSTONE WAY, OAKLEY, CA 94561-6046
Document Number0000113712
Map ReferenceMB 543 PG 36-43
Instrument DateJun 28, 2022
Instrument2022-113712
Transaction TypeSubdivision Related Transfer
Record UpdatedAug 1, 2023
Title CompanyLENNAR TITLE INC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
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
Address543 GEMSTONE WAY, OAKLEY, CA 94561-6046

Mortgage

Document Number0000113713
DateJul 15, 2022
Instrument2022-113713
Lender
NameCALIBER HOME LOANS INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueAug 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 543 Gemstone Way was $13,114 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
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$755,048 (+2%) Land $339,586 Building $415,462
2025$13,114.00 Homeowner's exemption$740,244 Land $332,928 Building $407,316
2023$12,658.00 (+81.95%) Homeowner's exemption$711,500 Land $320,000 Building $391,500
2022$6,957.00

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

Flood

FEMA maps place 543 Gemstone Way in Zone X, where a levee reduces 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
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies7 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 543 Gemstone Way is moderate, ranking above 56% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire RiskModerate
above 56% of the US · lower than 67% of California
Wildfire Likelihood0.2% 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 762 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20

May also be available: T-Mobile.

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