Contra Costa County property record for 9483 Thunderbird Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,750 sqft · built 1977 |
| Lot Size | 0.331 acres (14,400 sqft) |
| Owner | Company Name on Record |
| Last Sale | $410,000 (Sep 1998) |
| Tax Bill | $8,123 (2025) |
| Deeds & Mortgages | Apr 2023 Line of Credit Sep 2020 Mortgage + 2 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 210-651-036-1 |
| Primary APN | 210-651-036-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,750 sqft Living Area |
| 1st Floor Area | 1,582 sqft |
| 2nd Floor Area | 1,168 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Lot Area | 14,400 sqft (0.331 acres) |
| Garage Type | Attached |
| Garage Area | 654 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 9483 THUNDERBIRD PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3623 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04196 L0036 B EX MR |
| Legal Subdivision | SUBDIVISION 4196 |
| Legal Tract | 04196 |
| Legal Lot Number | 36 |
| 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 | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 26, 2023 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Sep 21, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Aug 25, 2021 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Aug 25, 2021 | Deed of Trust, Mortgage FREMONT BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 3, 1998 · Amount on Record |
| Deed Sale | Sep 3, 1998 · Amount on Record |
| Prior Sale | May 1, 1996 · Amount on Record |
| Deed Document Number | 1998212920 |
| Last Transfer Date | Jul 13, 2010 |
| Transfer Doc | 0000146190 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Transaction Type | Mortgage |
| Record Updated | May 5, 2023 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Document Number | 0000038479 |
|---|---|
| Date | Apr 26, 2023 |
| Instrument | 2023-038479 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 20, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Document Number | 0000209847 |
|---|---|
| Date | Sep 21, 2020 |
| Instrument | 2020-209847 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Document Number | 0000238516 |
|---|---|
| Date | Aug 25, 2021 |
| Instrument | 2021-238516 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 20, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 9483 THUNDERBIRD PL, SAN RAMON, CA 94583-3623 |
| Document Number | 0000238509 |
|---|---|
| Date | Aug 25, 2021 |
| Instrument | 2021-238509 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Amount | Amount Recorded |
|---|---|
| Term | 361 Months |
| Due | Sep 1, 2051 |
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 | $692,524 (+2%) Land $266,629 Building $425,895 | |
| 2025 | $8,123.00 (+6.31%) Homeowner's exemption | $678,946 (+6.87%) Land $261,401 Building $417,545 |
| 2023 | $7,641.00 (+3.31%) Homeowner's exemption | $635,279 Land $251,251 Building $384,028 |
| 2022 | $7,396.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 350 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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