Sonoma County property record for 811 Helman Ln, Cotati, CA 94931 · Last verified May 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1947 |
| Square Footage | 1,840 sqft Living Area |
| Lot Size | 219,106 sqft (5.03 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $321,818 (2006) |
| Tax Bill | $13,221.00 (2025) |
| Primary APN | 046-072-029-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Building Area | 1,840 sqft Living Area |
| 1st Floor | 990 sqft 1st Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 219,106 sqft (5.03 acres) |
| Garage Type | Detached Garage |
| Garage Area | 198 sqft Garage |
| Cooling System | None Cooling |
|---|---|
| Heating System | HVAC Heating |
| Old Parcel Number | 046-072-029 |
|---|---|
| Street Address | 811 HELMAN LN |
| City | COTATI |
| State | CA |
| Zip | 94931-9748 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | 1971-FORM PT OF 46-072-27 |
| Legal Subdivision | RANCHO COTATI SUBDIVISION #7 |
| Legal Block | 3 |
| Legal Lot Number | 173 |
| Jurisdiction | SONOMA CA |
| Minor Civil Division | PETALUMA |
| Census Blockgroup | 3 |
| Census Block | 3007 |
| Census Tract | 151206 |
Source: Sonoma County records · APN 046-072-029-000
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 | 811 HELMAN LN, COTATI, CA 94931-9748 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 23, 2006 · Amount on Record |
| Deed Sale | May 23, 2006 · Amount on Record |
| Prior Sale | May 23, 2006 · Amount on Record |
| Deed Doc Number | 200664249 |
| Prior Transfer Date | May 17, 2006 |
| Prior Transfer Doc | 0000064249 |
| Record Refreshed | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Cotati-Rohnert Park 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 | $13,221.00 (+3.36%) Homeowner's exemption | $1,120,601 (+4.45%) Land $699,439 Building $421,162 |
| 2023 | $12,791.00 (+1.73%) Homeowner's exemption | $1,072,905 Land $672,280 Building $400,625 |
| 2022 | $12,574.00 |
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