Sonoma County property record for 21820 River Ln, Geyserville, CA 95441
| Property Type | Vineyard |
|---|---|
| Details | 2 bd · 2 ba · 1,106 sqft · built 1983 |
| Lot Size | 26.1 acres (1,137,787 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,400,000 (Jun 2013) |
| Tax Bill | $23,378 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 140-220-010-000 |
| Primary APN | 140-220-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,106 sqft Gross Area |
| 1st Floor Area | 1,106 sqft |
| Basement Area | 168 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 2013 |
| Construction Type | Wood |
| Lot Area | 1,137,787 sqft |
| Garage Type | Detached |
| Garage Area | 1,200 sqft |
| Parking Spaces | 5 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 140-220-010 |
|---|---|
| Street Address | 21820 RIVER LN |
| City | GEYSERVILLE |
| State | CA |
| Zip | 95441-9583 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Vineyard |
| Local Zoning Code | LIA20 |
| Legal Description | BUSINESS CODE: A1 UNINCORP COUNTY CA |
| Legal Subdivision | HARRY H HARE TR |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 1 |
| Census Block | 1015 |
| 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 729, GEYSERVILLE, CA 95441-0729 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 28, 2013 · Amount on Record |
| Deed Sale | Jun 28, 2013 · Amount on Record |
| Deed Document Number | 201367090 |
| 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 | $2,163,336 (+1.38%) Land $1,588,278 Building $575,058 | |
| 2025 | $23,378.00 (-1.22%) | $2,133,949 (-1.51%) Land $1,557,136 Building $576,813 |
| 2023 | $23,666.00 (+1.66%) | $2,166,659 Land $1,496,671 Building $669,988 |
| 2022 | $23,280.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 13 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 32 (1995–2019) |
| Claims Outside the SFHA | 1 of 32 |
| Most Recent Claim | Apr 2019 · other causes |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 3 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 · Fixed Wireless in parts of the area | 10 / 1 |
May also be available: AVISP, T-Mobile.
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