Contra Costa County property record for 5058 Westside Dr, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 3,908 sqft · built 2000 |
| Lot Size | 0.241 acres (10,510 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,290,000 (Dec 2013) |
| Tax Bill | $18,956 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 211-160-017-3 |
| Primary APN | 211-160-017-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,908 sqft Living Area |
| 1st Floor Area | 2,117 sqft |
| 2nd Floor Area | 1,791 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Cluster |
| Lot Area | 10,510 sqft (0.241 acres) |
| Garage Type | Attached |
| Garage Area | 738 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5058 WESTSIDE DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-9125 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A-2 |
| Legal Description | T8013 L64 |
| Legal Tract | 8013 |
| Legal Lot Number | 64 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 345115 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5058 WESTSIDE DR, SAN RAMON, CA 94583-9125 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 20, 2013 · Amount on Record |
| Deed Sale | Dec 20, 2013 · Amount on Record |
| Prior Sale | Apr 19, 2002 · Amount on Record |
| Deed Document Number | 2013291747 |
| Prior Transfer Date | Jan 25, 2008 |
| Prior Transfer Doc | 0000035255 |
| Record Updated | Oct 29, 2026 |
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 | $1,691,063 (+2%) Land $787,731 Building $903,332 | |
| 2025 | $18,956.00 (+3.77%) Homeowner's exemption | $1,657,906 (+4.04%) Land $772,286 Building $885,620 |
| 2023 | $18,268.00 (+0.73%) Homeowner's exemption | $1,593,530 Land $742,299 Building $851,231 |
| 2022 | $18,135.00 |
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 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 186 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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