Sonoma County property record for 21900 River Rd, Geyserville, CA 95441
| Property Type | Vineyard |
|---|---|
| Details | 4 bd · 2.5 ba · 1,933 sqft · built 1961 |
| Lot Size | 5 acres (217,800 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $3,636 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 141-190-049-000 |
| Primary APN | 141-190-049-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,933 sqft Gross Area |
| 1st Floor Area | 1,933 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 217,800 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 141-190-049 |
|---|---|
| Street Address | 21900 RIVER RD |
| City | GEYSERVILLE |
| State | CA |
| Zip | 95441 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Vineyard |
| Local Zoning Code | LIA20 |
| Legal Description | 1970 FORM PT OF 141-190-45 |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 3 |
| Census Block | 3099 |
| Census Tract | 154100 |
21900 River Rd, an agricultural property, is held in a trust since September 2001.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 24120 RIVER RD, GEYSERVILLE, CA 95441 |
| 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 | Sep 15, 2001 |
| Transfer Doc | 0000135327 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21900 River Rd was $3,636.
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 | $323,099 (+2%) Land $49,985 Building $273,114 | |
| 2025 | $3,636.00 | $316,763 Land $49,005 Building $267,758 |
| 2023 | $3,492.00 (+1.66%) | $304,467 Land $47,103 Building $257,364 |
| 2022 | $3,435.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21900 River Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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.
Wildfire risk around 21900 River Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL | 10 / 1 |
May also be available: T-Mobile, Xfinity.
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