Sonoma County property record for 21356 River Rd, Geyserville, CA 95441
| Property Type | Vineyard |
|---|---|
| Details | 3 bd · 3.5 ba · 1,800 sqft · built 1952 |
| Lot Size | 197 acres (8,589,160 sqft) |
| Owner | Company Name on Record |
| Last Sale | $4,950,000 (Jun 2010) |
| Tax Bill | $42,108 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 141-180-003-000 |
| Primary APN | 141-180-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,800 sqft Gross Area |
| 1st Floor Area | 1,800 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1955 |
| Construction Type | Wood |
| Lot Area | 8,589,160 sqft |
| Garage Area | 230 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 141-180-003 |
|---|---|
| Street Address | 21356 RIVER RD |
| City | GEYSERVILLE |
| State | CA |
| Zip | 95441-9682 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Vineyard |
| Local Zoning Code | RRDW120 |
| Legal Description | BUSINESS CODE: A1 |
| Legal Subdivision | TZABACO RHO |
| Legal Block | 3 |
| Legal Lot Number | 76,77 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 3 |
| Census Block | 3099 |
| Census Tract | 154100 |
Source: Sonoma County records, as of September 1, 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 | PO BOX 10, GEYSERVILLE, CA 95441-0010 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 2, 2010 · Amount on Record |
| Deed Sale | Jun 2, 2010 · Amount on Record |
| Prior Sale | Dec 9, 2005 · Amount on Record |
| Deed Document Number | 201045095 |
| Last Transfer Date | Feb 10, 2015 |
| Transfer Doc | 0000018347 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Geyserville Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,726,849 (-3.29%) Land $1,066,362 Building $2,660,487 | |
| 2025 | $42,108.00 (-2.04%) Additional exemption filed | $3,853,486 (-2.33%) Land $1,088,833 Building $2,764,653 |
| 2023 | $42,984.00 (+1.2%) Additional exemption filed | $3,945,415 Land $1,106,114 Building $2,839,301 |
| 2022 | $42,476.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Mar 1995 · Severe Winter Storms, Flooding Landslides, Mud Flow |
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 | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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