Sonoma County property record for 850 Windsor River Rd, Windsor, CA 95492
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 3 bd · 1 ba · 1,283 sqft · built 1953 |
| Lot Size | 0.942 acres (41,040 sqft) |
| Owner | Company Name on File |
| Last Sale | $518,000 (Jun 2007) |
| Tax Bill | $8,412 (2025) |
| Deeds & Mortgages | Jun 2022 Transfer Jun 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-502-004-000 |
| Primary APN | 066-502-004-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,283 sqft Living Area |
| 1st Floor Area | 1,283 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 41,040 sqft (0.942 acres) |
| Garage Type | Detached |
| Garage Area | 480 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 066-502-004 |
|---|---|
| Street Address | 850 WINDSOR RIVER RD |
| City | WINDSOR |
| State | CA |
| Zip | 95492-8910 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | CITYWI |
| Legal Description | 88 FM 66-180-16 #CHG PER MD |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 153811 |
Source: Sonoma County records · APN 066-502-004-000
Assessment roll updated April 13, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 850 WINDSOR RIVER RD, WINDSOR, CA 95492-8910 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jun 01, 2022 | Intrafamily Transfer, Transfer |
| Jun 02, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 01, 2007 · Amount on Record |
| Deed Sale | Jun 01, 2007 · Amount on Record |
| Prior Sale | Jan 13, 2004 · Amount on Record |
| Deed Document Number | 200762514 |
| Last Transfer Date | May 14, 2022 |
| Transfer Doc | 0000038610 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 01, 2022 |
| Property Address | 850 WINDSOR RIVER RD, WINDSOR, CA 95492-8910 |
| Document Number | 0000038610 |
| Instrument Date | May 14, 2022 |
| Instrument | 2022038610 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 1498, SANTA ROSA, CA 95402-1498 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 02, 2020 |
| Property Address | 850 WINDSOR RIVER RD, WINDSOR, CA 95492-8910 |
| Document Number | 0000041961 |
| Instrument Date | Apr 22, 2020 |
| Instrument | 41961 |
| Transaction Type | Transfer |
| Record Updated | Jun 18, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 850 WINDSOR RIVER RD WINDSOR CA 954928910, WINDSOR, CA 95492-8910 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Windsor Town |
| Unified School District | Windsor Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,412.00 (+4.25%) Homeowner's exemption | $693,993 (+4.04%) Land $468,919 Building $225,074 |
| 2023 | $8,069.00 (+1.73%) Homeowner's exemption | $667,046 Land $450,711 Building $216,335 |
| 2022 | $7,932.00 |
Source: FEMA National Flood Hazard Layer as of February 15, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: California Internet.
Based on FCC filings for 360 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | TOWN OF WINDSOR serves 25,561 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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