Sonoma County property record for 475 Bonneau Rd, Sonoma, CA 95476
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 2 bd · 1 ba · 780 sqft · built 1926 |
| Lot Size | 5 acres (217,800 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $1,639 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-451-004-000 |
| Primary APN | 128-451-004-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Units | 3 Units |
| Stories | 1 Story |
| Building Area | 780 sqft Living Area |
| 1st Floor Area | 2,610 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 217,800 sqft |
| Garage Type | Detached |
| Garage Area | 624 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | None |
|---|
| Old Parcel Number | 128-451-004 |
|---|---|
| Street Address | 475 BONNEAU RD |
| City | SONOMA |
| State | CA |
| Zip | 95476-9226 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | AR5 |
| Legal Description | UNINCORP COUNTY CA |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 150100 |
475 Bonneau Rd, a residential property, is held in a trust since January 2012.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 668, SONOMA, CA 95476-0668 |
| 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 Transfer Date | Jan 5, 2012 |
| Transfer Doc | 0000003171 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 475 Bonneau Rd was $1,639.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $68,182 (+2%) Land $41,801 Building $26,381 | |
| 2025 | $1,639.00 | $66,846 Land $40,982 Building $25,864 |
| 2023 | $1,570.00 (+11.98%) | $64,252 Land $39,392 Building $24,860 |
| 2022 | $1,402.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 475 Bonneau Rd in Zone X, an area of minimal flood risk, though there have been 27 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective February 15, 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 |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 27 (1978–2025) |
| Claims Outside the SFHA | 7 of 27 |
| Most Recent Claim | Feb 2025 · rainfall accumulation |
| Claims by Event |
|
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 475 Bonneau Rd 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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 12 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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