53 Dunbarton Ct, San Ramon, CA 94583 Property Records

Contra Costa County property record for 53 Dunbarton Ct, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,367 sqft · built 1986
Lot Size	0.23 acres (10,000 sqft)
Owner	2 Company Names on Record
Last Sale	$2,170,000 (Mar 2023)
Tax Bill	$25,438 (2025)
Deeds & Mortgages	Mar 2023 Sale & Mortgage Jun 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`213-113-008-6`

Property Details

APN / Parcel Number

Primary APN	`213-113-008-6`
Alternative APN	`213-113-008`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,367 sqft Living Area
1st Floor Area	1,605 sqft
2nd Floor Area	1,762 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1995
Lot Area	10,000 sqft (0.23 acres)
Garage Type	Attached
Garage Area	671 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	53 DUNBARTON CT
City	SAN RAMON
State	CA
Zip	94583-2568
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T05520 L0031 B
Legal Subdivision	SUBDIVISION 5520
Legal Tract	05520
Legal Lot Number	31
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	2 Company Names on Record
Mailing Address	53 DUNBARTON CT, SAN RAMON, CA 94583-2568
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 22, 2023	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Jun 20, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 22, 2023 · Amount on Record
Deed Sale	Mar 22, 2023 · Amount on Record
Prior Sale	Jun 6, 2008 · Amount on Record
Deed Document Number	202326898
Prior Transfer Date	Feb 23, 2011
Prior Transfer Doc	0000073727
Record Updated	Oct 29, 2026

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 22, 2023
Property Address	53 DUNBARTON CT, SAN RAMON, CA 94583-2568
Document Number	0000026898
Map Reference	MB 290 PG 32
Instrument Date	Mar 16, 2023
Instrument	2023-026898
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CHICAGO TITLE COMPANY

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	Revocable Trust
Address	53 DUNBARTON CT, SAN RAMON, CA 94583-2568

Mortgage

Document Number	0000026899
Date	Mar 22, 2023
Instrument	2023-026899

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	4.65%
Type Change Date	Jun 1, 2028
Change Frequency	Monthly
Min Rate At Change	3.95%
Max Rate At Change	10.9%
Index	1-Year T-Bill
Max Rate	10.9%

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	53 DUNBARTON CT, SAN RAMON, CA 94583-2568
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000109872
Date	Jun 20, 2017
Instrument	2017-109872

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Jul 8, 2047

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		$2,302,821 (+2%) Land $1,591,812 Building $711,009
2025	$25,438.00 (+69.37%) Homeowner's exemption	$2,257,668 (+75.32%) Land $1,560,600 Building $697,068
2023	$15,019.00 (+0.75%)	$1,287,751 Land $542,874 Building $744,877
2022	$14,907.00

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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