Contra Costa County property record for 19 Cobblestone Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 3,088 sqft · built 1981 |
| Lot Size | 0.31 acres (13,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $630,000 (Sep 2003) |
| Tax Bill | $8,566 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-581-002 |
| Primary APN | 209-581-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,088 sqft Living Area |
| Gross Area | 2,443 sqft |
| 1st Floor Area | 1,528 sqft |
| 2nd Floor Area | 915 sqft |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 13,500 sqft (0.31 acres) |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 19 COBBLESTONE CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-1754 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05379 L0002 B |
| Legal Tract | 05379 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 345206 |
19 Cobblestone Ct is owned and occupied by an individual who bought it in September 2003.
Source: Contra Costa County records, as of August 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2 TALUS CT, SAN RAMON, CA 94583-9124 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Sep 26, 2003 · Amount on File |
| Deed Sale | Sep 26, 2003 · Amount on File |
| Prior Sale | Sep 11, 2001 · Amount on File |
| Deed Document Number | 2003483460 |
| Prior Transfer Date | Sep 18, 2003 |
| Prior Transfer Doc | 0000483460 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 19 Cobblestone Ct was $8,566 with a homeowner's exemption.
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 | $680,926 (+2%) Land $234,266 Building $446,660 | |
| 2025 | $8,566.00 Homeowner's exemption | $667,575 Land $229,673 Building $437,902 |
| 2023 | $8,259.00 (-2.98%) Homeowner's exemption | $641,654 Land $220,755 Building $420,899 |
| 2022 | $8,513.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 19 Cobblestone Ct 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 risk around 19 Cobblestone Ct is high, ranking above 84% of the US, with a 0.8% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 84% of the US · above 64% of California |
|---|---|
| Wildfire Likelihood | 0.8% annual chance |
| Exposure | Indirect within ember reach |
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 160 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures