811 Chert Pl, Clayton, CA 94517 Property Records

Contra Costa County property record for 811 Chert Pl, Clayton, CA 94517

Property Summary

Property Type	Townhouse
Details	3 bd · 2.5 ba · 1,749 sqft · built 1993
Lot Size	0.091 acres (3,947 sqft)
Owner	Trust Name on File
Tax Bill	$5,722 (2025)
Deeds & Mortgages	Jul 2026 Line of Credit Mar 2021 Construction Loan
Flood Zone	Zone X (minimal risk)
APN	`118-460-041-7`

Property Details

APN / Parcel Number

Primary APN	`118-460-041-7`
Alternative APN	`118-460-041`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,749 sqft Living Area
1st Floor Area	877 sqft
2nd Floor Area	872 sqft

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	Townhouse
Lot Area	3,947 sqft (0.091 acres)
Garage Type	Attached
Garage Area	507 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	811 CHERT PL
City	CLAYTON
State	CA
Zip	94517-1231
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	T7311 L41
Legal Subdivision	BLACK DIAMOND
Legal Tract	7311
Legal Lot Number	41
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2004
Census Tract	355308

Owner

811 Chert Pl, a townhouse, is owner-occupied and held in a trust since May 1997.

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

Owner of Record	Trust Name on File
Mailing Address	811 CHERT PL, CLAYTON, CA 94517-1231
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
Jul 14, 2026	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Mar 17, 2021	Deed of Trust, Mortgage · Construction Mortgage FREMONT BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	May 8, 1997
Transfer Doc	0000080853
Record Updated	Oct 29, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 14, 2026
Property Address	811 CHERT PL, CLAYTON, CA 94517-1231
Document Number	0000073946
Instrument Date	Jul 9, 2026
Instrument	202673946
Transaction Type	Mortgage
Record Updated	Jul 21, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMP

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust, 221

Mortgage

Document Number	0000073946,
Date	Jul 14, 2026
Instrument	202673946

Lender

Name	FREMONT BANK

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate	6.52%
Max Rate	-1%

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	811 CHERT PL, CLAYTON, CA 94517-1231
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	811 CHERT PL, CLAYTON, CA 94517-1231

Mortgage

Document Number	0000080650
Date	Mar 17, 2021
Instrument	2021-080650

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Construction Mortgage
Amount	Amount on Record
Term	181 Months
Due	Apr 1, 2036

Tax Assessment & Valuation

The 2025 property tax bill for 811 Chert Pl was $5,722 with a homeowner's exemption.

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		$399,613 (+2%) Land $229,870 Building $169,743
2025	$5,722.00 Homeowner's exemption	$391,778 Land $225,363 Building $166,415
2023	$5,336.00 (+0.49%) Homeowner's exemption	$376,566 Land $216,613 Building $159,953
2022	$5,310.00

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

Flood

FEMA maps place 811 Chert Pl in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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

Wildfire risk around 811 Chert Pl is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 52% of the US · lower than 69% of California
Wildfire Likelihood	0.1% 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 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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