427 Grenache Cir, Clayton, CA 94517 Property Records

Contra Costa County property record for 427 Grenache Cir, Clayton, CA 94517

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,836 sqft · built 1980
Lot Size	0.316 acres (13,750 sqft)
Owner	Individual Name on Record
Last Sale	$248,000 (Mar 1997)
Tax Bill	$5,809 (2025)
Deeds & Mortgages	Dec 2022 Line of Credit Jul 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`119-591-007-8`

Property Details

APN / Parcel Number

Primary APN	`119-591-007-8`
Alternative APN	`119-591-007`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,836 sqft Living Area
1st Floor Area	1,836 sqft

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Lot Area	13,750 sqft (0.316 acres)
Garage Type	Attached
Garage Area	433 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	427 GRENACHE CIR
City	CLAYTON
State	CA
Zip	94517-1412
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R12
Legal Description	T05049 L0114 B
Legal Subdivision	SUBDIVISION 5049
Legal Tract	05049
Legal Lot Number	114
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	355308

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 19, 2022	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Jul 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage COMMERCE HOME MORTGAGE LLC
Feb 20, 2018	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 11, 1997 · Amount on Record
Deed Sale	Mar 11, 1997 · Amount on Record
Deed Document Number	199738204
Last Transfer Date	Feb 13, 2018
Transfer Doc	0000025799
Record Updated	Sep 20, 2026

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412
Transaction Type	Mortgage
Record Updated	Aug 1, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412

Mortgage

Document Number	0000185694
Date	Dec 19, 2022
Instrument	2022-185694

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	302 Months
Due	Jan 31, 2048

Interest

Rate Type	Adjustable Rate
Rate	7.5%
Change Frequency	Monthly
Min Rate At Change	3%
Max Rate At Change	7.5%
Index	Prime Rate
Max Rate	17%

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000156111
Date	Jul 29, 2020
Instrument	2020-156111

Lender

Name	COMMERCE HOME MORTGAGE LLC
Type	Mortgage Company
Address	ANAHEIM, CA 92806

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2050

February 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 20, 2018
Property Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412
Document Number	0000025799
Map Reference	MB 212 PG 2
Instrument Date	Feb 13, 2018
Instrument	2018-025799
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	427 GRENACHE CIR, CLAYTON, CA 94517-1412

Mortgage

Document Number	0000025800
Date	Feb 20, 2018
Instrument	2018-025800

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Clayton City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$411,967 (+2%) Land $164,454 Building $247,513
2025	$5,809.00 (+4.89%)	$403,890 (+4.04%) Land $161,230 Building $242,660
2023	$5,538.00 (+1.63%)	$388,208 Land $154,970 Building $233,238
2022	$5,449.00

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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	4 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 Risk	Moderate above 66% of the US · above 40% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within 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 System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 253 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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