Sonoma County property record for 320 E Thomson Ave, Sonoma, CA 95476 · Last verified May 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 2012 |
| Square Footage | 564 sqft Living Area |
| Lot Size | 5,000 sqft (0.115 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $630,000 (2020) |
| Tax Bill | $10,525.00 (2025) |
| Primary APN | 056-475-022-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 2 Rooms |
| Units | 2 Units |
| Building Area | 564 sqft Living Area |
| 1st Floor | 564 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 2012 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 5,000 sqft (0.115 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 575 sqft Garage |
| Cooling System | None Cooling |
|---|
| Old Parcel Number | 056-475-022 |
|---|---|
| Street Address | 320 E THOMSON AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3957 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | SUBDIVISION B OF LOYES SPRINGS PARK |
| Legal Block | 3 |
| Legal Lot Number | 11 |
| Jurisdiction | SONOMA CA |
| Minor Civil Division | SONOMA |
| Census Blockgroup | 3 |
| Census Block | 3004 |
| Census Tract | 150306 |
Source: Sonoma County records · APN 056-475-022-000
Assessment roll updated April 13, 2026 · Last verified May 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 | 320 E THOMSON AVE, SONOMA, CA 95476-3957 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Nov 18, 2020 | Grant Deed, Transfer · Conventional Mortgage BAY EQUITY LLC |
| Feb 23, 2018 | Grant Deed, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 18, 2020 · Amount on Record |
| Deed Sale | Nov 18, 2020 · Amount on Record |
| Prior Sale | Feb 23, 2018 · Amount on Record |
| Deed Doc Number | 2020109058 |
| Prior Transfer Date | Jan 26, 2012 |
| Prior Transfer Doc | 0000009699 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 18, 2020 |
| Property Address | 320 E THOMSON AVE, SONOMA, CA 95476-3957 |
| Document Number | 0000109058 |
| Map Reference | MB 35 PG 7&8 |
| Instrument Date | Nov 02, 2020 |
| Instrument | 2020109058 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $693.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 320 E THOMSON AVE, SONOMA, CA 95476-3957 |
| Document Number | 0000109059 |
|---|---|
| Date | Nov 18, 2020 |
| Instrument | 2020109059 |
| Name | BAY EQUITY LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Feb 23, 2018 |
| Property Address | 320 E THOMSON AVE, SONOMA, CA 95476-3957 |
| Document Number | 0000012758 |
| Map Reference | MB35 PG7&8 |
| Instrument Date | Feb 20, 2018 |
| Instrument | 2018012758 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 1641 LINCOLN ST, BERKELEY, CA 94703-1223 |
| Document Number | 0000012759 |
|---|---|
| Date | Feb 23, 2018 |
| Instrument | 2018012759 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2048 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| 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 | $10,525.00 (+3.27%) | $681,930 (+4.04%) Land $324,729 Building $357,201 |
| 2023 | $10,192.00 (+4.17%) | $655,452 Land $312,120 Building $343,332 |
| 2022 | $9,784.00 |
320 E Thomson Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Sonoma County (06097C), updated February 15, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 37th percentile of exposed land nationally · 22nd in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 1,961 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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