Contra Costa County property record for 9470 Thunderbird Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,112 sqft · built 1978 |
| Lot Size | 0.215 acres (9,350 sqft) |
| Owner | Company Name on Record |
| Last Sale | $745,000 (Aug 2004) |
| Tax Bill | $12,015 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-651-012-2 |
| Primary APN | 210-651-012-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,112 sqft Living Area |
| 1st Floor Area | 2,112 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Lot Area | 9,350 sqft (0.215 acres) |
| Garage Type | Attached |
| Garage Area | 633 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 9470 THUNDERBIRD PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3624 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04196 L0012 B EX MR |
| Legal Tract | 04196 |
| Legal Lot Number | 12 |
| 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, as of July 14, 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 Record |
|---|---|
| Mailing Address | 9470 THUNDERBIRD PL, SAN RAMON, CA 94583-3624 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 3, 2004 · Amount on Record |
| Deed Sale | Aug 3, 2004 · Amount on Record |
| Deed Document Number | 2004298884 |
| Last Transfer Date | Sep 15, 2016 |
| Transfer Doc | 0000194773 |
| 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 | $1,059,217 (+2%) Land $572,262 Building $486,955 | |
| 2025 | $12,015.00 (+3.68%) Homeowner's exemption | $1,038,449 (+4.04%) Land $561,042 Building $477,407 |
| 2023 | $11,589.00 (+0.73%) Homeowner's exemption | $998,127 Land $539,257 Building $458,870 |
| 2022 | $11,505.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 292 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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