307 Ash Ln, El Sobrante, CA 94803 Property Records

Contra Costa County property record for 307 Ash Ln, El Sobrante, CA 94803

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,239 sqft · built 1988
Lot Size	0.245 acres (10,682 sqft)
Owner	2 Individual Names on Record
Last Sale	$850,000 (Jun 2025)
Tax Bill	$12,252 (2025)
Deeds & Mortgages	Dec 2021 Sale & Mortgage Aug 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`430-140-043`

Property Details

APN / Parcel Number

Primary APN	`430-140-043`
Alternative APN	`430-140-043-0`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	2,239 sqft Living Area
1st Floor Area	1,587 sqft
Basement Area	652 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 2000
Lot Area	10,682 sqft (0.245 acres)
Garage Type	Attached
Garage Area	516 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	307 ASH LN
City	EL SOBRANTE
State	CA
Zip	94803-1455
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R7
Legal Description	T6916 L2
Legal Subdivision	SUBDIVISION 6916
Legal Tract	6916
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1001
Census Tract	360101

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 ASH LN, EL SOBRANTE, CA 94803-1455
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Dec 30, 2021	Grant Deed, Transfer · Commercial Mortgage LATHAM LIVING TRUST
Aug 25, 2021	Intrafamily Transfer, Transfer NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC
Aug 25, 2021	Grant Deed, Transfer · Commercial Mortgage CONVENTUS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 24, 2025 · Amount on Record
Deed Sale	Jun 24, 2025 · Amount on Record
Prior Sale	Dec 30, 2021 · Amount on Record
Deed Document Number	202562884
Prior Transfer Date	May 21, 2002
Prior Transfer Doc	0000189077
Record Updated	Sep 20, 2026

December 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 30, 2021
Property Address	307 ASH LN, EL SOBRANTE, CA 94803-1455
Document Number	0000349714
Map Reference	MB 336 PG 33
Instrument Date	Dec 28, 2021
Instrument	2021-349714
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC

Transaction

Amount	Amount Recorded
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	Community Property with Right of Survivorship
Address	307 ASH LN, EL SOBRANTE, CA 94803-1455

Mortgage

Document Number	0000349715
Date	Dec 30, 2021
Instrument	2021-349715

Lender

Name	LATHAM LIVING TRUST
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 25, 2021
Property Address	307 ASH LN, EL SOBRANTE, CA 94803-1455
Document Number	0000238574
Map Reference	MB 336 PG 33
Instrument Date	Aug 23, 2021
Instrument	2021-238574
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC

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	2940 BANTRY LANE, SOUTH SAN FRANCISCO, CA 94080

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 25, 2021
Property Address	307 ASH LN, EL SOBRANTE, CA 94803-1455
Document Number	0000238573
Map Reference	MB 336 PG 33
Instrument Date	Aug 23, 2021
Instrument	2021-238573
Transaction Type	Transfer
Record Updated	Jun 15, 2023
Title Company	NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC

Transaction

Amount	Amount Recorded
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	2940 BANTRY LANE, SOUTH SAN FRANCISCO, CA 94080

Mortgage

Document Number	0000238575
Date	Aug 25, 2021
Instrument	2021-238575

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$867,000 (+0.58%) Land $433,500 Building $433,500
2025	$12,252.00 (+5.85%) Homeowner's exemption	$862,000 (+5.51%) Land $475,000 Building $387,000
2023	$11,575.00 (-17.36%) Homeowner's exemption	$817,000 Land $450,000 Building $367,000
2022	$14,006.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 361 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
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: Sonic Telecom.

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