4933 Thunderhead Ct, El Sobrante, CA 94803 Property Records

Contra Costa County property record for 4933 Thunderhead Ct, El Sobrante, CA 94803

Property Summary

Property Type	Single Family Home
Details	6 bd · 3.5 ba · 2,866 sqft · built 1984
Lot Size	0.231 acres (10,080 sqft)
Owner	Trust Name on File
Tax Bill	$9,932 (2025)
Deeds & Mortgages	Apr 2019 Transfer Jul 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`431-411-016-6`

Property Details

APN / Parcel Number

Primary APN	`431-411-016-6`
Alternative APN	`431-411-016`

Interior

Bedrooms	6 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	2,866 sqft Living Area
Gross Area	3,531 sqft
1st Floor Area	2,077 sqft
2nd Floor Area	789 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	10,080 sqft (0.231 acres)
Lot Dimensions	108 ft deep x 95 ft wide
Garage Type	Attached
Garage Area	665 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4933 THUNDERHEAD CT
City	EL SOBRANTE
State	CA
Zip	94803-2144
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T05301 L0039 B
Legal Subdivision	SUBDIVISION 5301
Legal Tract	05301
Legal Lot Number	39
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1001
Census Tract	360102

Owner

4933 Thunderhead Ct is owner-occupied and held in a trust since September 1996.

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

Owner of Record	Trust Name on File
Mailing Address	4933 THUNDERHEAD CT, EL SOBRANTE, CA 94803-2144
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
Apr 17, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Jul 19, 2018	Quit Claim Deed, Transfer · Conventional Mortgage CASHCALL

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 25, 1996
Transfer Doc	0000178857
Record Updated	Oct 29, 2026

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 17, 2019
Property Address	4933 THUNDERHEAD CT, EL SOBRANTE, CA 94803-2144
Document Number	0000053326
Instrument Date	Apr 16, 2019
Instrument	53326
Transaction Type	Transfer
Record Updated	Apr 26, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4933 THUNDERHEAD CT EL SOBRANTE CA 948032144, EL SOBRANTE, CA 94803-2144

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 19, 2018
Property Address	4933 THUNDERHEAD CT, EL SOBRANTE, CA 94803-2144
Document Number	0000115199
Instrument Date	Jun 21, 2018
Instrument	115199
Transaction Type	Transfer
Record Updated	Jul 25, 2018
Title Company	ORANGE COAST TITLE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4933 THUNDERHEAD CT EL SOBRANTE CA 948032144, EL SOBRANTE, CA 94803-2144

Mortgage

Document Number	115200
Date	Jul 19, 2018
Instrument	115200

Lender

Name	CASHCALL
Type	Funding / Finance Company
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 18, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 4933 Thunderhead Ct was $9,932 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	Richmond City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$631,099 (+2%) Land $187,222 Building $443,877
2025	$9,932.00 Homeowner's exemption	$618,725 Land $183,551 Building $435,174
2023	$9,500.00 (+1.42%) Homeowner's exemption	$594,701 Land $176,424 Building $418,277
2022	$9,367.00

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

Flood

FEMA maps place 4933 Thunderhead 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
Community Rating System	Class 10 (0% premium discount)
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 4933 Thunderhead Ct is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.

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

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.09% 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 95 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
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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