Sonoma County property record for 1481 Helman Ln, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,147 sqft · built 1940 |
| Lot Size | 3.95 acres (172,062 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,729 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 046-071-003-000 |
| Primary APN | 046-071-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,147 sqft Living Area |
| 1st Floor Area | 1,147 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1947 |
| Construction Type | Wood |
| Lot Area | 172,062 sqft (3.95 acres) |
| Old Parcel Number | 046-071-003 |
|---|---|
| Street Address | 1481 HELMAN LN |
| City | COTATI |
| State | CA |
| Zip | 94931-9713 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AR5 |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 151206 |
Source: Sonoma County records, as of April 13, 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 Record |
|---|---|
| Mailing Address | 1481 HELMAN LN, COTATI, CA 94931-9713 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 24, 2014 |
| Transfer Doc | 0000085011 |
| Record Updated | Jun 8, 2026 |
Source: Sonoma County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,729.00 (+3.33%) Homeowner's exemption | $203,161 (+4.04%) Land $136,560 Building $66,601 |
| 2023 | $2,641.00 (+1.85%) Homeowner's exemption | $195,274 Land $131,258 Building $64,016 |
| 2022 | $2,593.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 5 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 61% of the US · lower than 63% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF COTATI serves 7,290 people · EPA ID CA4910016 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| Lead | Under 1 ppb (2024–2026) 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 140 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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