819 Chert Pl, Clayton, CA 94517 Property Records

Contra Costa County property record for 819 Chert Pl, Clayton, CA 94517

Property Summary

Property Type	Townhouse
Details	3 bd · 2.5 ba · 1,904 sqft · built 1993
Lot Size	0.11 acres (4,800 sqft)
Owner	2 Individual Names on Record
Last Sale	$400,000 (Apr 2022)
Tax Bill	$9,571 (2025)
Deeds & Mortgages	Apr 2022 Sale Mar 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`118-460-037-5`

Property Details

APN / Parcel Number

Primary APN	`118-460-037-5`
Alternative APN	`118-460-037`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,904 sqft Living Area
1st Floor Area	1,027 sqft
2nd Floor Area	877 sqft

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	Townhouse
Lot Area	4,800 sqft (0.11 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	819 CHERT PL
City	CLAYTON
State	CA
Zip	94517-1231
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	T7311 L37
Legal Subdivision	BLACK DIAMOND
Legal Tract	7311
Legal Lot Number	37
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2004
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	2 Individual Names on Record
Mailing Address	819 CHERT PL, CLAYTON, CA 94517-1231
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 5, 2022	Grant Deed, Transfer
Mar 16, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 5, 2022 · Amount on Record
Deed Sale	Apr 5, 2022 · Amount on Record
Deed Document Number	202259581
Prior Transfer Date	Dec 3, 2013
Prior Transfer Doc	0000046762
Record Updated	Sep 20, 2026

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 5, 2022
Property Address	819 CHERT PL, CLAYTON, CA 94517-1231
Document Number	0000059581
Map Reference	MB 344 PG 13
Instrument Date	Mar 23, 2022
Instrument	2022-059581
Transaction Type	Transfer
Record Updated	Nov 3, 2022

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	500 PINE CREEK DR, WINTERS, CA 94517

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 16, 2022
Property Address	819 CHERT PL, CLAYTON, CA 94517-1231
Document Number	0000046762
Map Reference	MB 344 PG 13
Instrument Date	Dec 3, 2013
Instrument	2022-046762
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	500 PINE CREEK DR, CLAYTON, CA 94517

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		$761,560 (+2%) Land $453,199 Building $308,361
2025	$9,571.00 (+5.69%) Homeowner's exemption	$746,628 (+4.04%) Land $444,313 Building $302,315
2023	$9,056.00 (+39.95%)	$717,637 Land $427,060 Building $290,577
2022	$6,471.00

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	3 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 64% of the US · lower than 60% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Direct 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 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 342 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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