Sonoma County property record for 866 Donner Ave, Sonoma, CA 95476 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,526 sqft · built 1948 |
| Lot Size | 0.215 acres (9,375 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,797,000 (Apr 2019) |
| Tax Bill | $23,994 (2025) |
| Deeds & Mortgages | Jun 2023 Transfer Apr 2019 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 018-363-011-000 |
| Primary APN | 018-363-011-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,526 sqft Living Area |
| Gross Area | 1,819 sqft |
| 1st Floor Area | 1,526 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 9,375 sqft (0.215 acres) |
| Garage Type | Attached |
| Garage Area | 293 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 018-363-011 |
|---|---|
| Street Address | 866 DONNER AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-7136 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GREENDALE LOT 28 |
| Legal Subdivision | GREENDALE |
| Legal Block | 1 |
| Legal Lot Number | 28 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 150204 |
Source: Sonoma County records · APN 018-363-011-000
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 | 866 DONNER AVE, SONOMA, CA 95476-7136 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jun 06, 2023 | Intrafamily Transfer, Transfer |
| Apr 22, 2019 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 22, 2019 · Amount on Record |
| Deed Sale | Apr 22, 2019 · Amount on Record |
| Prior Sale | Dec 07, 2011 · Amount on Record |
| Deed Document Number | 201926351 |
| Prior Transfer Date | Jan 25, 2016 |
| Prior Transfer Doc | 0000007391 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 06, 2023 |
| Property Address | 866 DONNER AVE, SONOMA, CA 95476-7136 |
| Document Number | 0000025149 |
| Map Reference | MB 57 PG 19 |
| Instrument Date | May 25, 2023 |
| Instrument | 2023025149 |
| Transaction Type | Transfer |
| Record Updated | Jun 20, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 117 LOWER TER, SAN FRANCISCO, CA 94114-1412 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 22, 2019 |
| Property Address | 866 DONNER AVE, SONOMA, CA 95476-7136 |
| Document Number | 0000026351 |
| Instrument Date | Apr 10, 2019 |
| Instrument | 26351 |
| Transaction Type | Transfer |
| Record Updated | May 07, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,976.70 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 866 DONNER AVE SONOMA CA 954767136, SONOMA, CA 95476-7136 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley 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 | $23,994.00 (+4.19%) Homeowner's exemption | $2,004,582 (+4.04%) Land $1,059,740 Building $944,842 |
| 2023 | $23,028.00 (+1.7%) | $1,926,743 Land $1,018,590 Building $908,153 |
| 2022 | $22,643.00 |
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 X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| 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.
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