58 Dunbarton Ct, San Ramon, CA 94583 Property Records

Contra Costa County property record for 58 Dunbarton Ct, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,747 sqft · built 1986
Lot Size	0.23 acres (10,000 sqft)
Owner	Company Name on Record
Last Sale	$925,000 (Aug 2003)
Tax Bill	$15,234 (2025)
Deeds & Mortgages	Apr 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`213-113-015-1`

Property Details

APN / Parcel Number

Primary APN	`213-113-015-1`
Alternative APN	`213-113-015`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,747 sqft Living Area
1st Floor Area	1,949 sqft
2nd Floor Area	1,798 sqft

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1987
Lot Area	10,000 sqft (0.23 acres)
Garage Type	Attached
Garage Area	671 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	58 DUNBARTON CT
City	SAN RAMON
State	CA
Zip	94583-2568
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T05520 L0038 B
Legal Subdivision	SUB 5520
Legal Tract	05520
Legal Lot Number	38
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1005
Census Tract	345111

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	Company Name on Record
Mailing Address	58 DUNBARTON CT, SAN RAMON, CA 94583-2568
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 14, 2003 · Amount on Record
Deed Sale	Aug 14, 2003 · Amount on Record
Deed Document Number	2003400907
Last Transfer Date	Apr 19, 2021
Transfer Doc	0000119130
Record Updated	Oct 29, 2026

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 21, 2021
Property Address	58 DUNBARTON CT, SAN RAMON, CA 94583-2568
Document Number	0000119130
Map Reference	MB 290 PG 32
Instrument Date	Apr 19, 2021
Instrument	2021-119130
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	AMROCK

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	Family Trust
Address	58 DUNBARTON CT, SAN RAMON, CA 94583-2568

Mortgage

Document Number	0000119131
Date	Apr 21, 2021
Instrument	2021-119131

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	352 Months
Due	Aug 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Aug 1, 2030
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.75%
Index	1-Year LIBOR
Max Rate	7.75%

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	San Ramon City
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,341,441 (+2%) Land $598,209 Building $743,232
2025	$15,234.00 (+3.74%) Homeowner's exemption	$1,315,139 (+4.04%) Land $586,480 Building $728,659
2023	$14,685.00 (+0.76%) Homeowner's exemption	$1,264,072 Land $563,707 Building $700,365
2022	$14,574.00

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 80% of the US · lower than 88% 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	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 167 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
AT&T DSL	100 / 20

May also be available: T-Mobile.

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