Contra Costa County property record for 3309 Griffon St W, Danville, CA 94506
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,706 sqft · built 2009 |
| Lot Size | 0.123 acres (5,341 sqft) |
| Owner | Individual Name on File |
| Last Sale | $700,000 (Mar 2010) |
| Tax Bill | $12,341 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 206-710-010-3 |
| Primary APN | 206-710-010-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,706 sqft Living Area |
| 1st Floor Area | 1,706 sqft |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Cluster |
| Lot Area | 5,341 sqft (0.123 acres) |
| Garage Type | Attached |
| Garage Area | 426 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3309 GRIFFON ST W |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94506-5007 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T8943 L165 |
| Legal Tract | 8943 |
| Legal Lot Number | 165 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 355126 |
3309 Griffon St W is owned and occupied by an individual who acquired it in July 2013.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3309 GRIFFON ST W, DANVILLE, CA 94506-5007 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Mar 12, 2010 · Amount on File |
| Deed Sale | Mar 12, 2010 · Amount on File |
| Deed Document Number | 201049443 |
| Last Transfer Date | Jul 2, 2013 |
| Transfer Doc | 0000193677 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3309 Griffon St W was $12,341.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $929,796 (+2%) Land $567,465 Building $362,331 | |
| 2025 | $12,341.00 | $911,566 Land $556,339 Building $355,227 |
| 2023 | $11,829.00 (+4.48%) | $876,171 Land $534,737 Building $341,434 |
| 2022 | $11,322.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3309 Griffon St W in Zone X, an area of minimal flood risk.
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 | 3 in force |
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 3309 Griffon St W is moderate, ranking above 61% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 61% of the US · lower than 63% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 564 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| 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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