Sonoma County property record for 9001 Willow Ave, Cotati, CA 94931 · Last verified August 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1947 |
| Square Footage | 1,615 sqft Living Area |
| Lot Size | 435,600 sqft (10 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,600,000 (2024) |
| Tax Bill | $5,310.00 (2025) |
| Primary APN | 046-233-012-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,615 sqft Living Area |
| 1st Floor | 935 sqft 1st Floor |
| Basement Area | 896 sqft Basement |
| Stories | 2 Stories |
| Year Built | Built 1913 |
|---|---|
| Effective Year Built | Effective 1947 |
| Construction Type | Wood Construction |
| Lot Area | 435,600 sqft (10 acres) |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 800 sqft Garage |
| Cooling System | HVAC Cooling |
|---|
| Old Parcel Number | 046-233-012 |
|---|---|
| Street Address | 9001 WILLOW AVE |
| City | COTATI |
| State | CA |
| Zip | 94931-9614 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | PTN LOT 126 SUB 5 RANCHO COTATI |
| Legal Subdivision | SUBDIVISION 5 RANCHO COTATI |
| Legal Block | 2 |
| Legal Lot Number | 126 |
| Jurisdiction | SONOMA CA |
| Minor Civil Division | PETALUMA |
| Census Blockgroup | 2 |
| Census Block | 2010 |
| Census Tract | 151203 |
Source: Sonoma County records · APN 046-233-012-000
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 9001 WILLOW AVE, COTATI, CA 94931-9614 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Tenants In Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 05, 2024 · Amount on Record |
| Deed Sale | Jul 05, 2024 · Amount on Record |
| Deed Doc Number | 202429718 |
| Prior Transfer Date | Apr 19, 2023 |
| Prior Transfer Doc | 0000017537 |
| Record Refreshed | Sep 20, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,310.00 (+3.09%) | $419,944 (+4.04%) Land $266,802 Building $153,142 |
| 2023 | $5,151.00 (+1.76%) | $403,640 Land $256,443 Building $147,197 |
| 2022 | $5,062.00 |
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