20 Duberstein Dr, San Ramon, CA 94583 Property Records

Contra Costa County property record for 20 Duberstein Dr, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,356 sqft · built 2002
Lot Size	0.597 acres (26,000 sqft)
Owner	2 Company Names on Record
Last Sale	$1,795,000 (Apr 2015)
Tax Bill	$23,102 (2025)
Deeds & Mortgages	Sep 2018 Line of Credit Aug 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`211-130-064-2`

Property Details

APN / Parcel Number

Primary APN	`211-130-064-2`
Alternative APN	`211-130-064`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	3,356 sqft Living Area
1st Floor Area	3,356 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Architectural Style	Cluster
Lot Area	26,000 sqft (0.597 acres)
Garage Type	Attached
Garage Area	865 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	20 DUBERSTEIN DR
City	SAN RAMON
State	CA
Zip	94583-2691
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8072 L6
Legal Subdivision	SUBDIVISION 8072
Legal Tract	8072
Legal Lot Number	6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	345115

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	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 6, 2018	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Aug 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Jun 16, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 29, 2015 · Amount on Record
Deed Sale	Apr 29, 2015 · Amount on Record
Prior Sale	Jan 12, 2010 · Amount on Record
Deed Document Number	201581893
Last Transfer Date	Jun 10, 2020
Transfer Doc	0000115499
Record Updated	Oct 29, 2026

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000142998
Date	Sep 6, 2018
Instrument	2018-142998

Lender

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

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 29, 2048

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691

Mortgage

Document Number	0000225983
Date	Aug 13, 2021
Instrument	2021-225983

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2051

June 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 16, 2020
Property Address	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691
Document Number	0000115499
Map Reference	MB 409 PG 11
Instrument Date	Jun 10, 2020
Instrument	2020-115499
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	FIDELITY NATIONAL TITLE CO

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	20 DUBERSTEIN DR, SAN RAMON, CA 94583-2691

Mortgage

Document Number	0000115500
Date	Jun 16, 2020
Instrument	2020-115500

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

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		$2,077,866 (+2%) Land $1,256,528 Building $821,338
2025	$23,102.00 (+3.55%)	$2,037,125 (+4.04%) Land $1,231,891 Building $805,234
2023	$22,310.00 (+0.73%)	$1,958,023 Land $1,184,056 Building $773,967
2022	$22,149.00

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 · 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 6 (20% premium discount)
Nearby Flood Policies	2 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

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

Wildfire Risk	High above 77% of the US · above 53% of California
Wildfire Likelihood	0.4% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 137 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks.

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