Sonoma County property record for 9139 Cypress Ave, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,060 sqft · built 1903 |
| Lot Size | 0.999 acres (43,524 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,330 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 046-222-023-000 |
| Primary APN | 046-222-023-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,060 sqft Living Area |
| 1st Floor Area | 1,060 sqft |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1935 |
| Architectural Style | Custom Design |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 43,524 sqft (0.999 acres) |
| Garage Type | Detached |
| Garage Area | 800 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | None |
|---|---|
| Sewer | Septic |
| Old Parcel Number | 046-222-023 |
|---|---|
| Street Address | 9139 CYPRESS AVE |
| City | COTATI |
| State | CA |
| Zip | 94931-9631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AR2 |
| Legal Subdivision | SUBDIVISION #3 OF COTATI RANCHO |
| Legal Block | 1 |
| Legal Lot Number | B-30 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 151204 |
Source: Sonoma County records, as of September 1, 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 | 9139 CYPRESS AVE, COTATI, CA 94931-9631 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Sep 30, 2011 |
| Transfer Doc | 0000085888 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $164,918 (+2%) Land $47,108 Building $117,810 | |
| 2025 | $2,330.00 (+3.28%) | $161,685 (+4.04%) Land $46,185 Building $115,500 |
| 2023 | $2,256.00 (+1.81%) | $155,409 Land $44,393 Building $111,016 |
| 2022 | $2,216.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1995) |
| Most Recent Claim | Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows |
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 67% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
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 79 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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