Sonoma County property record for 17520 Johnson Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,508 sqft · built 1952 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $15,000 (Aug 2002) |
| Tax Bill | $3,514 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-304-003-000 |
| Primary APN | 056-304-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,508 sqft Living Area |
| 1st Floor Area | 1,508 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1956 |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Area | 280 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 056-304-003 |
|---|---|
| Street Address | 17520 JOHNSON AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | OLIVE GROVE SUB BLK3 LOT 10 |
| Legal Subdivision | OLIVE GROVE SUB |
| Legal Tract | 49 |
| Legal Block | 3 |
| Legal Lot Number | 10 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 150305 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 197 JOHN ROBERTS DR, COTATI, CA 94931-5386 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 6, 2002 · Amount on Record |
| Deed Sale | Aug 6, 2002 · Amount on Record |
| Prior Sale | Nov 20, 2001 · Amount on Record |
| Deed Document Number | 2002117742 |
| Prior Transfer Date | Jun 23, 1997 |
| Prior Transfer Doc | 0000054580 |
| Record Updated | Oct 29, 2026 |
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 | $135,865 (+2%) Land $36,218 Building $99,647 | |
| 2025 | $3,514.00 (-4.12%) | $133,202 (+4.04%) Land $35,508 Building $97,694 |
| 2023 | $3,665.00 (+6.39%) | $128,031 Land $34,130 Building $93,901 |
| 2022 | $3,445.00 |
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within 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 711 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures