Contra Costa County property record for 642 Filbert Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,979 sqft · built 1971 |
| Lot Size | 0.22 acres (9,600 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,301 (2025) |
| Deeds & Mortgages | Jul 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-592-007-4 |
| Primary APN | 210-592-007-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,979 sqft Living Area |
| Gross Area | 2,410 sqft |
| 1st Floor Area | 1,979 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 9,600 sqft (0.22 acres) |
| Garage Type | Attached |
| Garage Area | 431 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 642 FILBERT CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3506 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3900 LOT 15 EX MR |
| Legal Subdivision | CASTRO STREET EXTENSION TRACT |
| Legal Tract | 3900 |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 345101 |
642 Filbert Ct is owned and occupied by two individuals who acquired it in June 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 642 FILBERT CT, SAN RAMON, CA 94583-3506 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 28, 2022 |
| Transfer Doc | 0000108043 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 1, 2022 |
| Property Address | 642 FILBERT CT, SAN RAMON, CA 94583-3506 |
| Document Number | 0000108043 |
| Map Reference | MB 128 PG 41-46 |
| Instrument Date | Jun 29, 2022 |
| Instrument | 2022-108043 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 642 FILBERT CT, SAN RAMON, CA 94583-3506 |
The 2025 property tax bill for 642 Filbert Ct was $5,301.
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 | $419,533 (+2%) Land $148,363 Building $271,170 | |
| 2025 | $5,301.00 | $411,307 Land $145,454 Building $265,853 |
| 2023 | $5,107.00 (+0.71%) | $395,337 Land $139,806 Building $255,531 |
| 2022 | $5,071.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 642 Filbert 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 642 Filbert Ct is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 570 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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