Contra Costa County property record for 351 Winterwind Cir, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,651 sqft · built 1992 |
| Lot Size | 0.072 acres (3,150 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $715,000 (Jun 2014) |
| Tax Bill | $10,681 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 213-720-021-4 |
| Primary APN | 213-720-021-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,651 sqft Living Area |
| 1st Floor Area | 791 sqft |
| 2nd Floor Area | 860 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Cluster |
| Lot Area | 3,150 sqft (0.072 acres) |
| Garage Type | Attached |
| Garage Area | 436 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 351 WINTERWIND CIR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-5243 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6648 L21 |
| Legal Tract | 6648 |
| Legal Lot Number | 21 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 345111 |
351 Winterwind Cir is owned and occupied by two individuals who bought it in June 2014.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 351 WINTERWIND CIR, SAN RAMON, CA 94583-5243 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 Sale | Jun 23, 2014 · Amount on File |
| Deed Sale | Jun 23, 2014 · Amount on File |
| Deed Document Number | 2014101783 |
| Prior Transfer Date | Apr 6, 1998 |
| Prior Transfer Doc | 0000079181 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 351 Winterwind Cir was $10,681.
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 | $894,007 (+2%) Land $618,930 Building $275,077 | |
| 2025 | $10,681.00 | $876,479 Land $606,795 Building $269,684 |
| 2023 | $10,283.00 (+0.97%) | $842,447 Land $583,234 Building $259,213 |
| 2022 | $10,184.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 351 Winterwind Cir 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 351 Winterwind Cir is low, with less than 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 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 686 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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