921 Sylvaner Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 921 Sylvaner Ct, Clayton, CA 94517

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,919 sqft · built 1979
Lot Size	0.379 acres (16,500 sqft)
Owner	Company Name on Record
Last Sale	$652,000 (Jul 2011)
Tax Bill	$10,311 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Jun 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`119-542-021-9`

Property Details

APN / Parcel Number

Primary APN	`119-542-021-9`
Alternative APN	`119-542-021`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,919 sqft Living Area
Gross Area	4,055 sqft
1st Floor Area	1,687 sqft
2nd Floor Area	1,232 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 2004
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	16,500 sqft (0.379 acres)
Garage Type	Attached
Garage Area	1,136 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	921 SYLVANER CT
City	CLAYTON
State	CA
Zip	94517-1421
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R12
Legal Description	T05048 L0096 B
Legal Subdivision	SUBDIVISION 5048
Legal Tract	05048
Legal Lot Number	96
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	Company Name on Record
Mailing Address	921 SYLVANER CT, CLAYTON, CA 94517-1421
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMERISAVE MORTGAGE CORP
Jun 22, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 19, 2017	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 20, 2011 · Amount on Record
Deed Sale	Jul 20, 2011 · Amount on Record
Prior Sale	Jul 20, 2011 · Amount on Record
Deed Document Number	2011142709
Last Transfer Date	Jun 13, 2017
Transfer Doc	0000112272
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	921 SYLVANER CT, CLAYTON, CA 94517-1421
Transaction Type	Mortgage
Record Updated	Aug 1, 2023
Title Company	WESTCOR LAND TITLE INSURANCE COMPANY, WESTCOR LAND TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	921 SYLVANER CT, CLAYTON, CA 94517-1421

Mortgage

Document Number	0000197531
Date	Jul 13, 2021
Instrument	2021-197531

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 22, 2017
Property Address	921 SYLVANER CT, CLAYTON, CA 94517-1421
Document Number	0000112272
Instrument Date	Jun 13, 2017
Instrument	112272
Transaction Type	Transfer
Record Updated	Jul 3, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	921 SYLVANER CT CLAYTON CA 945171421, CLAYTON, CA 94517-1421

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	921 SYLVANER CT, CLAYTON, CA 94517-1421
Document Number	0000017889
Instrument Date	Jan 19, 2017
Transaction Type	Mortgage
Record Updated	Aug 15, 2018
Title Company	LSI TITLE COMPANY, LSI TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	921 SYLVANER CT CLAYTON CA 945171421, CLAYTON, CA 94517-1421

Mortgage

Document Number	0000017889
Date	Jan 30, 2017
Instrument	17889

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 29, 2047

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		$835,314 (+2%) Land $397,159 Building $438,155
2025	$10,311.00 (+4.45%) Homeowner's exemption	$818,936 (+4.04%) Land $389,372 Building $429,564
2023	$9,872.00 (+1.31%) Homeowner's exemption	$787,138 Land $374,253 Building $412,885
2022	$9,744.00

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
Adjoins Burnable Land	Yes

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.

Cell Coverage

5G (outdoors only) and 4G LTE

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