Sonoma County property record for 21880 Bonness Rd, Sonoma, CA 95476
| Property Type | Pasture |
|---|---|
| Details | 3 bd · 2 ba · 2,168 sqft · built 1984 |
| Lot Size | 10 acres (436,035 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,782 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 142-062-019-000 |
| Primary APN | 142-062-019-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 2,168 sqft Gross Area |
| 1st Floor Area | 2,168 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 436,035 sqft |
| Garage Area | 704 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 142-062-019 |
|---|---|
| Street Address | 21880 BONNESS RD |
| City | SONOMA |
| State | CA |
| Zip | 95476-9232 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Pasture |
| Local Zoning Code | DA10 |
| Legal Description | 84 FM 142-062-13 PT 20 PM 7837 PT RD 83075533 |
| Legal Subdivision | PARCEL MAP #7838 |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 150100 |
21880 Bonness Rd, an agricultural property, is owner-occupied and held in a trust since May 1999.
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 21880 BONNESS RD, SONOMA, CA 95476-9232 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 5, 1999 |
| Transfer Doc | 0000062017 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21880 Bonness Rd was $5,782 with a homeowner's exemption.
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 | $474,080 (+2%) Land $157,454 Building $316,626 | |
| 2025 | $5,782.00 Homeowner's exemption | $464,785 Land $154,367 Building $310,418 |
| 2023 | $5,569.00 (+2.2%) Homeowner's exemption | $446,739 Land $148,374 Building $298,365 |
| 2022 | $5,449.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21880 Bonness 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 21880 Bonness Rd is moderate, ranking above 60% 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 60% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 19 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: AT&T, T-Mobile.
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