Sonoma County property record for 4105 River Rd, Windsor, CA 95492 · Last verified April 2026
| Property Type | Agriculture / Farming > Vineyard |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1945 |
| Square Footage | 1,672 sqft Gross Area |
| Lot Size | 6,054,840 sqft (139 acres) |
| Garage | 1,040 sqft |
| Tax Bill | $28,992.00 (2025) |
Source: Sonoma County records · APN 057-061-016-000
Assessment roll updated April 13, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX NN, SANTA ROSA, CA 95402-3189 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Dec 05, 1995 |
| Transfer Doc | 0000110980 |
| Record Refreshed | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Elementary School District | Piner-Olivet Union Elementary School District (KG - 06) |
| Secondary School District | Santa Rosa High School District (07 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $28,992.00 (-4.44%) Additional exemption filed | $2,325,161 (-7.04%) Land $1,056,071 Building $1,269,090 |
| 2023 | $30,340.00 (+10.55%) Additional exemption filed | $2,501,230 Land $392,000 Building $2,109,230 |
| 2022 | $27,445.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 057-061-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 1,672 sqft Gross Area |
| 1st Floor | 1,672 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1945 |
| Construction Type | Wood Construction |
| Lot Area | 6,054,840 sqft (139 acres) |
| Garage Area | 1,040 sqft Garage |
| Cooling System | HVAC Cooling |
|---|
| Old Parcel Number | 057-061-016 |
|---|---|
| Street Address | 4105 RIVER RD |
| City | WINDSOR |
| State | CA |
| Zip | 95492-9688 |
| Property Usage | Agriculture or Farming Property Usage |
| Type | Agriculture / Farming > Vineyard |
| Legal Description | 86 FM 57-061-15 PT RD 85-79053 |
| Legal Block | 4 |
| Jurisdiction | SONOMA CA |
| Minor Civil Division | SANTA ROSA |
| Census Blockgroup | 4 |
| Census Block | 4035 |
| Census Tract | 152702 |
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