Sonoma County property record for 309 Arbor Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,087 sqft · built 1958 |
| Lot Size | 0.212 acres (9,251 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $940,000 (Sep 2024) |
| Tax Bill | $13,601 (2025) |
| Deeds & Mortgages | Jul 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-302-036-000 |
| Primary APN | 052-302-036-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,087 sqft Living Area |
| Gross Area | 1,386 sqft |
| 1st Floor Area | 1,087 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Custom Design |
| Lot Area | 9,251 sqft (0.212 acres) |
| Garage Type | Attached |
| Garage Area | 299 sqft |
| Parking Spaces | 1 Parking Space |
| Old Parcel Number | 052-302-036 |
|---|---|
| Street Address | 309 ARBOR AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-4584 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 2006 FM PTN 052-302-010 DES REM PM MNS 02-0023 |
| Legal Subdivision | SUBDIVISION #3 TOWN OF EL VERANO |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 150304 |
309 Arbor Ave is owned and occupied by two individuals who bought it in September 2024.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 309 ARBOR AVE, SONOMA, CA 95476-4584 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 24, 2024 · Amount on File |
| Deed Sale | Sep 24, 2024 · Amount on File |
| Prior Sale | Mar 10, 2009 · Amount on File |
| Deed Document Number | 202443932 |
| Prior Transfer Date | Sep 10, 2008 |
| Prior Transfer Doc | 0000083844 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 24, 2017 |
| Property Address | 309 ARBOR AVE, SONOMA, CA 95476-4584 |
| Document Number | 0000056688 |
| Instrument Date | Jun 30, 2017 |
| Instrument | 56688 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2017 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 71 CREEK LN SONOMA CA 954767369, SONOMA, CA 95476-7369 |
The 2025 property tax bill for 309 Arbor Ave was $13,601.
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 | $958,800 (+2%) Land $392,700 Building $566,100 | |
| 2025 | $13,601.00 | $940,000 Land $385,000 Building $555,000 |
| 2023 | $8,035.00 (+7.66%) | $411,540 Land $173,278 Building $238,262 |
| 2022 | $7,463.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 309 Arbor Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 500 ft |
| 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 309 Arbor Ave is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 | 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 335 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 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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