Contra Costa County property record for 618 Cobblestone Dr, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,552 sqft · built 1999 |
| Lot Size | 0.237 acres (10,313 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,450,000 (Dec 2017) |
| Tax Bill | $19,326 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Oct 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-930-014-3 |
| Primary APN | 209-930-014-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 3,552 sqft Living Area |
| 1st Floor Area | 1,537 sqft |
| 2nd Floor Area | 2,015 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Cluster |
| Lot Area | 10,313 sqft (0.237 acres) |
| Garage Type | Attached |
| Garage Area | 1,128 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 618 COBBLESTONE DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-5340 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8037 L102 |
| Legal Subdivision | SUBDIVISION 8037 |
| Legal Tract | 8037 |
| Legal Lot Number | 102 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 345206 |
Source: Contra Costa County assessment roll, 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 Individual Names on File |
|---|---|
| Mailing Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Sep 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Oct 24, 2019 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Dec 20, 2017 | Grant Deed, Transfer · Conventional Mortgage RPM MORTGAGE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 20, 2017 · Amount on Record |
| Deed Sale | Dec 20, 2017 · Amount on Record |
| Prior Sale | Jun 20, 2005 · Amount on Record |
| Deed Document Number | 2017238788 |
| Prior Transfer Date | Dec 26, 2015 |
| Prior Transfer Doc | 0000003366 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Document Number | 0000256741 |
|---|---|
| Date | Sep 15, 2021 |
| Instrument | 2021-256741 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|
| Document Number | 0000181790 |
|---|---|
| Date | Oct 24, 2019 |
| Instrument | 2019-181790 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 20, 2017 |
| Property Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Document Number | 0000238788 |
| Map Reference | MAP403 PG18 |
| Instrument Date | Dec 14, 2017 |
| Instrument | 2017-238788 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 618 COBBLESTONE DR, SAN RAMON, CA 94583-5340 |
| Document Number | 0000238789 |
|---|---|
| Date | Dec 20, 2017 |
| Instrument | 2017-238789 |
| Name | RPM MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2048 |
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 | $1,682,843 (+2%) Land $870,436 Building $812,407 | |
| 2025 | $19,326.00 (+3.68%) Homeowner's exemption | $1,649,847 (+4.04%) Land $853,369 Building $796,478 |
| 2023 | $18,640.00 (-0.89%) Homeowner's exemption | $1,585,783 Land $820,233 Building $765,550 |
| 2022 | $18,807.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 |
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 Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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