Contra Costa County property record for 9451 Thunderbird Pl, San Ramon, CA 94583 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,556 sqft · built 1977 |
| Lot Size | 0.201 acres (8,740 sqft) |
| Owner | Company Name on File |
| Last Sale | $772,000 (Jul 2011) |
| Tax Bill | $11,421 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-651-022-1 |
| Primary APN | 210-651-022-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,556 sqft Living Area |
| 1st Floor Area | 1,472 sqft |
| 2nd Floor Area | 1,084 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Lot Area | 8,740 sqft (0.201 acres) |
| Garage Type | Attached |
| Garage Area | 730 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 9451 THUNDERBIRD PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3623 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04196 L0022 B EX MR |
| Legal Tract | 04196 |
| Legal Lot Number | 22 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 345103 |
Source: Contra Costa County records · APN 210-651-022-1
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 9451 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 01, 2011 · Amount on Record |
| Deed Sale | Jul 01, 2011 · Amount on Record |
| Prior Sale | Nov 12, 2004 · Amount on Record |
| Deed Document Number | 2011130342 |
| Last Transfer Date | Jan 06, 2012 |
| Transfer Doc | 0000009473 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,003,260 (+2%) Land $596,702 Building $406,558 | |
| 2025 | $11,421.00 (+3.68%) Homeowner's exemption | $983,589 (+4.04%) Land $585,002 Building $398,587 |
| 2023 | $11,016.00 (+0.74%) Homeowner's exemption | $945,397 Land $562,287 Building $383,110 |
| 2022 | $10,935.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133451032, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Cost | Premium on Record median of 10 individual NFIP policies nearby |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022, rainfall accumulation, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,941 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 292 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Verizon | Fixed Wireless | 1,000 / 75 |
| Unwired | Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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