Sonoma County property record for 457 Mountain Ave, Sonoma, CA 95476
| Property Type | Vineyard |
|---|---|
| Lot Size | 7.5 acres (326,700 sqft) |
| Owner | Company Name on File |
| Last Sale | $230,000 (Oct 1997) |
| Tax Bill | $5,689 (2025) |
| Deeds & Mortgages | Dec 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-281-052-000 |
| Primary APN | 056-281-052-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 326,700 sqft (7.5 acres) |
|---|
| Old Parcel Number | 056-281-052 |
|---|---|
| Street Address | 457 MOUNTAIN AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Vineyard |
| Local Zoning Code | RR5 |
| Legal Description | 93 FM 56-281-03 & PT TO 53 PM 92-001 |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 150306 |
Source: Sonoma County assessment roll, 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 File |
|---|---|
| Mailing Address | 287 1ST ST W, SONOMA, CA 95476-5628 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 10, 1997 · Amount on Record |
| Deed Sale | Oct 10, 1997 · Amount on Record |
| Prior Sale | Apr 25, 1994 · Amount on Record |
| Deed Document Number | 199792873 |
| Last Transfer Date | Dec 13, 2018 |
| Transfer Doc | 0000084999 |
| Record Updated | Jun 8, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Dec 13, 2018 |
| Property Address | 457 MOUNTAIN AVE, SONOMA, CA 95476 |
| Document Number | 0000084999 |
| Instrument Date | Dec 13, 2018 |
| Instrument | 84999 |
| Transaction Type | Transfer |
| Record Updated | Jan 3, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 287 1ST ST W SONOMA CA 954765628, SONOMA, CA 95476-5628 |
Source: Sonoma County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,689.00 (+3.74%) | $469,446 (+4.04%) Land $384,313 Building $85,133 |
| 2023 | $5,484.00 (+1.29%) | $451,215 Land $369,391 Building $81,824 |
| 2022 | $5,414.00 |
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 |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 2 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 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2022 |
| 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 444 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 USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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