Contra Costa County property record for 10 Duberstein Dr, San Ramon, CA 94583
| Property Type | Rural Home |
|---|---|
| Details | 4,279 sqft · built 1979 |
| Lot Size | 5.5 acres (240,015 sqft) |
| Owner | Company Name on File |
| Last Sale | $15,454 (May 2012) |
| Tax Bill | $17,756 (2025) |
| Deeds & Mortgages | Jul 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 211-020-035-5 |
| Primary APN | 211-020-035-5 |
|---|---|
| Alternative APNs |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 4,279 sqft Living Area |
| 1st Floor Area | 4,279 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 240,015 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 10 DUBERSTEIN DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2691 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | A2 |
| Legal Description | PCL MAP 72 PG 5 POR A & B & TR ADJ |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 345115 |
10 Duberstein Dr, a rural home, is owned by a company that bought it in May 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 10 DUBERSTEIN DR, SAN RAMON, CA 94583-2691 |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 7, 2012 · Amount on File |
| Deed Sale | May 7, 2012 · Amount on File |
| Prior Sale | Feb 10, 2011 · Amount on File |
| Deed Document Number | 2012105733 |
| Prior Transfer Date | May 25, 2004 |
| Prior Transfer Doc | 0000212911 |
| Record Updated | Oct 29, 2026 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 14, 2017 |
| Property Address | 10 DUBERSTEIN DR, SAN RAMON, CA 94583-2691 |
| Document Number | 0000125567 |
| Instrument Date | Jun 27, 2017 |
| Instrument | 2017-125567 |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 10 DUBERSTEIN DR, SAN RAMON, CA 94583-2691 |
| Document Number | 0000125569 |
|---|---|
| Date | Jul 14, 2017 |
| Instrument | 2017-125569 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 299 Months |
| Due | Jun 26, 2042 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 10 Duberstein Dr was $17,756.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,590,364 (+2%) Land $424,705 Building $1,165,659 | |
| 2025 | $17,756.00 | $1,559,181 Land $416,378 Building $1,142,803 |
| 2023 | $17,140.00 (+0.73%) | $1,498,638 Land $400,210 Building $1,098,428 |
| 2022 | $17,016.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10 Duberstein Dr 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 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 risk around 10 Duberstein Dr is high, ranking above 77% of the US, with a 0.4% annual chance of 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.
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 |
| 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.
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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