307 Alexander Pl, Clayton, CA 94517 Property Records

Contra Costa County property record for 307 Alexander Pl, Clayton, CA 94517

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,391 sqft · built 1978
Lot Size	0.344 acres (15,000 sqft)
Owner	2 Individual Names on Record
Tax Bill	$11,103 (2025)
Deeds & Mortgages	Nov 2018 Line of Credit Oct 2019 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`118-310-019-5`

Property Details

APN / Parcel Number

Primary APN	`118-310-019-5`
Alternative APN	`118-310-019`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,391 sqft Living Area
1st Floor Area	1,423 sqft
2nd Floor Area	968 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1979
Lot Area	15,000 sqft (0.344 acres)
Garage Type	Attached
Garage Area	491 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	307 ALEXANDER PL
City	CLAYTON
State	CA
Zip	94517-1002
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R12
Legal Description	T04827 L0019 B
Legal Subdivision	SUBDIVISION 4827
Legal Tract	04827
Legal Lot Number	19
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3000
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	307 ALEXANDER PL, CLAYTON, CA 94517-1002
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 13, 2018	Deed of Trust, Mortgage · Line of Credit CITY NATIONAL BANK
Oct 11, 2019	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Feb 17, 2021	Intrafamily Transfer, Transfer · VA Mortgage CALCULATED RISK ANALYTICS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 17, 2021
Deed Sale	Feb 17, 2021
Prior Sale	Jan 23, 2003 · Amount on Record
Deed Document Number	202148011
Prior Transfer Date	Feb 5, 2021
Prior Transfer Doc	0000048011
Record Updated	Oct 29, 2026

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	307 ALEXANDER PL, CLAYTON, CA 94517-1002
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000183496
Date	Nov 13, 2018
Instrument	2018-183496

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	307 ALEXANDER PL, CLAYTON, CA 94517-1002
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000172760
Date	Oct 11, 2019
Instrument	2019-172760

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Oct 8, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 17, 2021
Property Address	307 ALEXANDER PL, CLAYTON, CA 94517-1002
Document Number	0000048011
Map Reference	MB 202 PG 17
Instrument Date	Feb 5, 2021
Instrument	2021-048011
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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
Relationship	Joint Tenants
Address	307 ALEXANDER PL, CLAYTON, CA 94517-1002

Mortgage

Document Number	0000048012
Date	Feb 17, 2021
Instrument	2021-048012

Lender

Name	CALCULATED RISK ANALYTICS LLC
Type	Non-Lending Institution

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

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		$908,516 (+2%) Land $462,678 Building $445,838
2025	$11,103.00 (+4.39%) Homeowner's exemption	$890,703 (+4.04%) Land $453,606 Building $437,097
2023	$10,636.00 (+1.29%) Homeowner's exemption	$856,118 Land $435,993 Building $420,125
2022	$10,501.00

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 17 policies
Nearby Flood Policies	17 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	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.02% 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 471 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	100 / 20

May also be available: Astound Broadband, Verizon.

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