Contra Costa County property record for 121 Valdivia Cir, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,880 sqft · built 1979 |
| Lot Size | 0.114 acres (4,950 sqft) |
| Owner | Trust Name on File |
| Last Sale | $255,000 (Aug 1995) |
| Tax Bill | $5,582 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-521-036-1 |
| Primary APN | 209-521-036-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,880 sqft Living Area |
| Gross Area | 2,374 sqft |
| 1st Floor Area | 1,052 sqft |
| 2nd Floor Area | 828 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Cluster |
| Lot Area | 4,950 sqft (0.114 acres) |
| Lot Dimensions | 110 ft deep x 45 ft wide |
| Garage Type | Attached |
| Garage Area | 494 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 121 VALDIVIA CIR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2227 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05217 L0319 B |
| Legal Tract | 05217 |
| Legal Lot Number | 319 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 345116 |
121 Valdivia Cir is owner-occupied and held in a trust since November 1997.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 9 ELIZABETH LN, DANVILLE, CA 94526-1547 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Sale | Aug 23, 1995 · Amount on File |
| Deed Sale | Aug 23, 1995 · Amount on File |
| Deed Document Number | 1995138662 |
| Last Transfer Date | Nov 4, 1997 |
| Transfer Doc | 0000222087 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 121 Valdivia Cir was $5,582 with a homeowner's exemption.
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 | $432,070 (+2%) Land $237,217 Building $194,853 | |
| 2025 | $5,582.00 Homeowner's exemption | $423,599 Land $232,566 Building $191,033 |
| 2023 | $5,361.00 (+0.79%) Homeowner's exemption | $407,152 Land $223,536 Building $183,616 |
| 2022 | $5,319.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 121 Valdivia Cir in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2025.
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 | 1 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2025 · other causes |
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.
Wildfire risk around 121 Valdivia Cir 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 549 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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