Sonoma County property record for 339 Valparaiso Ave, Cotati, CA 94931
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,956 sqft · built 1985 |
| Lot Size | 0.218 acres (9,480 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $200,000 (Jul 1998) |
| Tax Bill | $3,870 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 144-392-016-000 |
| Primary APN | 144-392-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,956 sqft Living Area |
| Gross Area | 2,396 sqft |
| 1st Floor Area | 1,956 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1986 |
| Construction Type | Wood |
| Lot Area | 9,480 sqft (0.218 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 144-392-016 |
|---|---|
| Street Address | 339 VALPARAISO AVE |
| City | COTATI |
| State | CA |
| Zip | 94931-4332 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYCO |
| Legal Description | 81 FM PT OF 144-392-05 PM 67 |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 1 |
| Census Block | 1000 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 339 VALPARAISO AVE, COTATI, CA 94931-4332 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 15, 1998 · Amount on Record |
| Deed Sale | Jul 15, 1998 · Amount on Record |
| Deed Document Number | 199879995 |
| Record Updated | Oct 29, 2026 |
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 | $319,798 (+2%) Land $135,915 Building $183,883 | |
| 2025 | $3,870.00 (+3.2%) Homeowner's exemption | $313,528 (+4.04%) Land $133,250 Building $180,278 |
| 2023 | $3,750.00 (+1.9%) Homeowner's exemption | $301,356 Land $128,077 Building $173,279 |
| 2022 | $3,680.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| 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 | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 321 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 DSL | 100 / 20 |
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