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421 Grenache Cir, Clayton, CA 94517 Property Records

Contra Costa County property record for 421 Grenache Cir, Clayton, CA 94517 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,391 sqft · built 1980
Lot Size0.301 acres (13,125 sqft)
Owner2 Company Names on File
Tax Bill$7,109 (2025)
Deeds & MortgagesAug 2021 Transfer
Sep 2020 Transfer
Flood ZoneZone X (minimal risk)
APN119-591-008-6

Property Details

APN / Parcel Number

Primary APN119-591-008-6
Alternative APN
  • 119-591-008

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories2 Stories
Building Area2,391 sqft Living Area
1st Floor Area1,423 sqft
2nd Floor Area968 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area13,125 sqft (0.301 acres)
Garage TypeAttached
Garage Area491 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address421 GRENACHE CIR
CityCLAYTON
StateCA
Zip94517-1412
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT05049 L0113 B
Legal SubdivisionSUBDIVISION 5049
Legal Tract05049
Legal Lot Number113
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1004
Census Tract355308

Owner

Source: Contra Costa County records · APN 119-591-008-6

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 Company Names on File
Mailing Address170 KING ST, 301, SAN FRANCISCO, CA 94107-4911
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Aug 20, 2021Intrafamily Transfer, Transfer
Sep 23, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateJul 29, 2021
Transfer Doc0000232479
Record UpdatedSep 20, 2026

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateAug 20, 2021
Property Address421 GRENACHE CIR, CLAYTON, CA 94517-1412
Document Number0000232479
Map ReferenceMB 212 PG 2
Instrument DateJul 29, 2021
Instrument2021-232479
Transaction TypeTransfer
Record UpdatedAug 01, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Revocable Trust
Address170 KING ST UNIT 301, 301, SAN FRANCISCO, CA 94107-4911
InvestorPossibly a Property Investor

September 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 23, 2020
Property Address421 GRENACHE CIR, CLAYTON, CA 94517-1412
Document Number0000214145
Instrument DateSep 11, 2020
Instrument214145
Transaction TypeTransfer
Record UpdatedOct 08, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address170 KING ST #301 SAN FRANCISCO CA 941074911, 301, SAN FRANCISCO, CA 94107-4911

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
MunicipalityClayton City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$532,065 (+2%) Land $257,919 Building $274,146
2025$7,109.00 (+4.7%)$521,633 (+4.04%) Land $252,862 Building $268,771
2023$6,790.00 (+1.49%)$501,379 Land $243,044 Building $258,335
2022$6,690.00

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 060133553081, 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
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Nearby Flood Policies4 in force

Wildfire

Wildfire RiskModerate
above 66% of the US · above 41% of California
Wildfire LikelihoodAbout 1 in 433 per year
ExposureIndirect
within 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 · Published October 2026 · based on 253 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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