5600 Lassen Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 5600 Lassen Ct, Clayton, CA 94517

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,505 sqft · built 1958
Lot Size	0.248 acres (10,800 sqft)
Owner	2 Individual Names on File
Last Sale	$960,000 (Jul 2021)
Tax Bill	$11,781 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage Jan 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`120-105-017-4`

Property Details

APN / Parcel Number

Primary APN	`120-105-017-4`
Alternative APN	`120-105-017`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,505 sqft Living Area
1st Floor Area	1,505 sqft

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1965
Lot Area	10,800 sqft (0.248 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	5600 LASSEN CT
City	CLAYTON
State	CA
Zip	94517-2115
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 2559 LOT 33
Legal Subdivision	CLAYTON WOOD UNIT #1
Legal Tract	2559
Legal Lot Number	33
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	355306

Owner

5600 Lassen Ct is owned and occupied by two individuals who bought it in July 2021.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	5600 LASSEN CT, CLAYTON, CA 94517-2115
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 20, 2021	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
Jan 29, 2018	Grant Deed, Transfer · FHA Mortgage LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 20, 2021 · Amount on File
Deed Sale	Jul 20, 2021 · Amount on File
Prior Sale	Jan 29, 2018 · Amount on File
Deed Document Number	2021203436
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 20, 2021
Property Address	5600 LASSEN CT, CLAYTON, CA 94517-2115
Document Number	0000203436
Map Reference	MB 67 PG 46
Instrument Date	Jul 16, 2021
Instrument	2021-203436
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5600 LASSEN CT, CLAYTON, CA 94517-2115

Mortgage

Document Number	0000203437
Date	Jul 20, 2021
Instrument	2021-203437

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Type Change Date	Aug 1, 2028
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	7.37%
Index	Other
Max Rate	7.37%

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 29, 2018
Property Address	5600 LASSEN CT, CLAYTON, CA 94517-2115
Document Number	0000013354
Instrument Date	Jan 18, 2018
Instrument	13354
Transaction Type	Transfer
Record Updated	Feb 2, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$753.50
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	5600 LASSEN CT CLAYTON CA 945172115, CLAYTON, CA 94517-2115

Mortgage

Document Number	13355
Date	Jan 29, 2018
Instrument	13355

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 28, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 5600 Lassen Ct was $11,781.

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		$935,000 (-1.48%) Land $506,459 Building $428,541
2025	$11,781.00	$949,000 Land $514,042 Building $434,958
2023	$10,967.00 (-7.72%)	$883,000 Land $478,000 Building $405,000
2022	$11,885.00

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

Flood

FEMA maps place 5600 Lassen Ct in Zone X, an area of minimal flood risk.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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 5600 Lassen Ct is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 631 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
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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