Sonoma County property record for 475 Portal St, Cotati, CA 94931
| Property Type | Light Industrial |
|---|---|
| Details | 15,301 sqft · built 2000 |
| Lot Size | 0.87 acres (37,897 sqft) |
| Owner | Company Name on File |
| Last Sale | $201,000 (Jul 1999) |
| Tax Bill | $19,414 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 144-010-020-000 |
| Primary APN | 144-010-020-000 |
|---|---|
| Alternative APN |
|
| Building Area | 15,301 sqft Gross Area |
|---|
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 37,897 sqft (0.87 acres) |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 144-010-020 |
|---|---|
| Street Address | 475 PORTAL ST |
| City | COTATI |
| State | CA |
| Zip | 94931-3021 |
| Property Category | Industrial |
| Property Type | Industrial > Light Industrial |
| Local Zoning Code | CITYCO |
| Legal Subdivision | R C INDUSTRIAL PARK #1 |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 151206 |
475 Portal St, an industrial property, is owned by a company that bought it in July 1999.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 475 PORTAL ST, F, COTATI, CA 94931-3006 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 1999 · Amount on File |
| Deed Sale | Jul 30, 1999 · Amount on File |
| Deed Document Number | 199996742 |
| Prior Transfer Date | Jul 22, 1999 |
| Prior Transfer Doc | 0000096744 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 475 Portal St was $19,414.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Cotati City |
| Unified School District | Cotati-Rohnert Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,694,820 (+2%) Land $422,998 Building $1,271,822 | |
| 2025 | $19,414.00 | $1,661,589 Land $414,704 Building $1,246,885 |
| 2023 | $18,866.00 (+1.75%) | $1,597,069 Land $398,601 Building $1,198,468 |
| 2022 | $18,541.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 475 Portal St in Zone X, an area of minimal flood risk.
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 |
| 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.
Wildfire risk around 475 Portal St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 258 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Starlink Satellite | 280 / 30 |
May also be available: AT&T, T-Mobile, Verizon.
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