Contra Costa County property record for 25 Cobblestone Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,128 sqft · built 1981 |
| Lot Size | 0.156 acres (6,800 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,152,500 (Jul 2018) |
| Tax Bill | $14,991 (2025) |
| Deeds & Mortgages | Aug 2023 Transfer Aug 2023 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-581-003-8 |
| Primary APN | 209-581-003-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,128 sqft Living Area |
| 1st Floor Area | 1,198 sqft |
| 2nd Floor Area | 930 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Contemporary |
| Exterior Material | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 6,800 sqft (0.156 acres) |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 25 COBBLESTONE CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-1754 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05379 L0003 B |
| Legal Subdivision | SUBDIVISION 5379 |
| Legal Tract | 05379 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 345206 |
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 | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Aug 16, 2023 | Intrafamily Transfer, Transfer |
| Aug 16, 2023 | Affidavit of Death of Joint Tenant, Transfer |
| Nov 5, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CMG MORTGAGE INC |
| Jul 24, 2018 | Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 24, 2018 · Amount on Record |
| Deed Sale | Jul 24, 2018 · Amount on Record |
| Prior Sale | Apr 23, 2014 · Amount on Record |
| Deed Document Number | 2018117378 |
| Last Transfer Date | Aug 10, 2023 |
| Transfer Doc | 0000078832 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 16, 2023 |
| Property Address | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Document Number | 0000078833 |
| Map Reference | MB 228 PG 3 |
| Instrument Date | May 16, 2023 |
| Instrument | 2023-078833 |
| Transaction Type | Transfer |
| Record Updated | Aug 25, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 16, 2023 |
| Property Address | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Document Number | 0000078832 |
| Map Reference | MB 228 PG 3 |
| Instrument Date | May 16, 2023 |
| Instrument | 2023-078832 |
| Transaction Type | Transfer |
| Record Updated | Aug 25, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 31 JUNEWOOD CT, DANVILLE, CA 94526-3023 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | STEWART TITLE GUARANTY CO |
| Name | Verified Name |
|---|
| Document Number | 0000196447 |
|---|---|
| Date | Nov 5, 2019 |
| Instrument | 2019-196447 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN RAMON, CA 94583 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Oct 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 24, 2018 |
| Property Address | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Document Number | 0000117378 |
| Map Reference | MB 228 PG 3 |
| Instrument Date | Jul 13, 2018 |
| Instrument | 2018-117378 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE COMP |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| 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 | 25 COBBLESTONE CT, SAN RAMON, CA 94583-1754 |
| Document Number | 0000117379 |
|---|---|
| Date | Jul 24, 2018 |
| Instrument | 2018-117379 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 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 | $1,311,343 (+2%) Land $937,228 Building $374,115 | |
| 2025 | $14,991.00 (+3.73%) | $1,285,631 (+4.04%) Land $918,851 Building $366,780 |
| 2023 | $14,452.00 (+0.75%) | $1,235,711 Land $883,172 Building $352,539 |
| 2022 | $14,345.00 |
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 |
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 |
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