Sonoma County property record for 17263 Hillside Ave, Sonoma, CA 95476
| Property Type | Triplex |
|---|---|
| Details | 2 bd · 1 ba · 1,680 sqft · built 1972 |
| Lot Size | 0.517 acres (22,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $765,000 (Jun 2015) |
| Tax Bill | $14,757 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-261-019-000 |
| Primary APN | 056-261-019-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,680 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 22,500 sqft (0.517 acres) |
| Garage Type | Carport |
| Garage Area | 600 sqft |
| Carport | Carport |
| Carport Area | 600 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 056-261-019 |
|---|---|
| Street Address | 17263 HILLSIDE AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3530 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R15UA |
| Legal Description | BLK 3 LOT 11 |
| Legal Subdivision | SUBDIVISION #2 AGUA CALIENTE PARK |
| Legal Block | 3 |
| Legal Lot Number | 11 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 150306 |
17263 Hillside Ave, a triplex, is owned and occupied by an individual who acquired it in February 2016.
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 17263 HILLSIDE AVE, SONOMA, CA 95476-3530 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 30, 2015 · Amount on File |
| Deed Sale | Jun 30, 2015 · Amount on File |
| Prior Sale | Aug 14, 1996 · Amount on File |
| Deed Document Number | 201557765 |
| Last Transfer Date | Feb 5, 2016 |
| Transfer Doc | 0000011708 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 17263 Hillside Ave was $14,757.
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 | $937,795 (+2%) Land $318,726 Building $619,069 | |
| 2025 | $14,757.00 | $919,408 Land $312,477 Building $606,931 |
| 2023 | $14,032.00 (+1.35%) | $883,708 Land $300,344 Building $583,364 |
| 2022 | $13,845.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 17263 Hillside 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 17263 Hillside Ave is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 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 Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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