3437 Stewarton Dr, Richmond (El Sobrante), CA 94803 Property Records

Contra Costa County property record for 3437 Stewarton Dr, Richmond, CA 94803

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,221 sqft · built 1962
Lot Size	0.257 acres (11,200 sqft)
Owner	Trust Name on File
Tax Bill	$4,424 (2025)
Deeds & Mortgages	Sep 2017 Transfer Sep 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`431-303-025-8`

Property Details

APN / Parcel Number

Primary APN	`431-303-025-8`
Alternative APN	`431-303-025`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,221 sqft Living Area
1st Floor Area	1,221 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1977
Lot Area	11,200 sqft (0.257 acres)
Lot Dimensions	137 ft deep x 80 ft wide
Garage Type	Attached
Garage Area	669 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Street Address	3437 STEWARTON DR
City	EL SOBRANTE
State	CA
Zip	94803-2037
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 2619 LOT 355
Legal Subdivision	WHITECLIFF PARK UNIT #5
Legal Tract	2619
Legal Lot Number	355
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	360101

Owner

3437 Stewarton Dr is owner-occupied and held in a trust since September 2017.

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

Owner of Record	Trust Name on File
Mailing Address	3437 STEWARTON DR, EL SOBRANTE, CA 94803-2037
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
Sep 22, 2017	Quit Claim Deed, Transfer Quitclaim
Sep 22, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 18, 2017
Transfer Doc	0000174000
Record Updated	Sep 20, 2026

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	3437 STEWARTON DR, RICHMOND, CA 94803-2037
Document Number	0000174000
Instrument Date	Sep 18, 2017
Instrument	174000
Transaction Type	Transfer
Record Updated	Sep 27, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3437 STEWARTON DR RICHMOND CA 948032037, RICHMOND, CA 94803-2037

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	3437 STEWARTON DR, RICHMOND, CA 94803-2037
Document Number	0000173999
Instrument Date	Sep 18, 2017
Instrument	173999
Transaction Type	Transfer
Record Updated	Sep 27, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3437 STEWARTON DR RICHMOND CA 948032037, RICHMOND, CA 94803-2037

Tax Assessment & Valuation

The 2025 property tax bill for 3437 Stewarton Dr was $4,424 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		$238,219 (+2%) Land $80,780 Building $157,439
2025	$4,424.00 Homeowner's exemption	$233,549 Land $79,197 Building $154,352
2023	$4,220.00 (+1.81%) Homeowner's exemption	$224,482 Land $76,123 Building $148,359
2022	$4,145.00

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

Flood

FEMA maps place 3437 Stewarton Dr in Zone X, an area of minimal flood risk.

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

Wildfire risk around 3437 Stewarton Dr is low, with a 0.02% annual chance of wildfire.

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

Wildfire Risk	Low lower than 95% of the US · lower than 97% 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	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 434 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Sonic Telecom, Verizon.

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