Sonoma County property record for 464 Mountain Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,008 sqft · built 1966 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Trust Name on File |
| Last Sale | $385,000 (Oct 2011) |
| Tax Bill | $7,109 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-282-007-000 |
| Primary APN | 056-282-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,008 sqft Living Area |
| Gross Area | 1,272 sqft |
| 1st Floor Area | 1,008 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Attached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 056-282-007 |
|---|---|
| Street Address | 464 MOUNTAIN AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3443 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | MAP 21 PG 46 PART OF LOT 1 |
| Legal Subdivision | SUBDIVISION #3 OF AUGUA CALIENTE PARK |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 150306 |
464 Mountain Ave is held in a trust since October 2011.
Source: Sonoma County records, as of October 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 287 PRINCE AVE, B, ATHENS, GA 30601-2444 |
| Owner Type | Company |
| Vesting | Trust |
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 | Oct 31, 2011 · Amount on File |
| Deed Sale | Oct 31, 2011 · Amount on File |
| Prior Sale | May 19, 2005 · Amount on File |
| Deed Document Number | 201196350 |
| Prior Transfer Date | Aug 19, 2010 |
| Prior Transfer Doc | 0000072211 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 464 Mountain Ave was $7,109.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $493,241 (+2%) Land $288,258 Building $204,983 | |
| 2025 | $7,109.00 | $483,570 Land $282,606 Building $200,964 |
| 2023 | $6,938.00 (+4.13%) | $464,794 Land $271,633 Building $193,161 |
| 2022 | $6,663.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 464 Mountain Ave 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 | 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.
Wildfire risk around 464 Mountain Ave is moderate, ranking above 51% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 51% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | 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 343 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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