Sonoma County property record for 16520 Arnold Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 3,112 sqft · built 2016 |
| Lot Size | 8.6 acres (374,616 sqft) |
| Owner | Trust Name on File |
| Last Sale | $995,000 (Jun 2012) |
| Tax Bill | $27,865 (2025) |
| Deeds & Mortgages | Jan 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-010-033-000 |
| Primary APN | 133-010-033-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 3,112 sqft Living Area |
| 1st Floor Area | 1,960 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2017 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 374,616 sqft |
| Garage Type | Attached |
| Garage Area | 490 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 133-010-033 |
|---|---|
| Street Address | 16520 ARNOLD DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-3252 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR10 |
| Legal Description | 85 FM 133-010-25 CW PT 26 LLA7887 |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150303 |
16520 Arnold Dr is held in a trust since June 2012.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 2311 WEBSTER ST, SAN FRANCISCO, CA 94115-1806 |
| 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 | Jun 29, 2012 · Amount on File |
| Deed Sale | Jun 29, 2012 · Amount on File |
| Deed Document Number | 201261687 |
| Prior Transfer Date | Apr 23, 2008 |
| Prior Transfer Doc | 0000043270 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 16520 ARNOLD DR, SONOMA, CA 95476-3252 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000005115 |
|---|---|
| Date | Jan 24, 2018 |
| Instrument | 2018005115 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3% |
| Type Change Date | Feb 1, 2028 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5% |
| Index | 1-Year CMT |
| Max Rate | 2% |
The 2025 property tax bill for 16520 Arnold Dr was $27,865.
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 | $2,479,707 (+2%) Land $851,336 Building $1,628,371 | |
| 2025 | $27,865.00 | $2,431,087 Land $834,644 Building $1,596,443 |
| 2023 | $26,844.00 (+1.21%) | $2,336,687 Land $802,235 Building $1,534,452 |
| 2022 | $26,522.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 16520 Arnold Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2025.
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 | 6 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2025 · other causes |
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 16520 Arnold Dr is high, ranking above 76% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 18 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: AT&T, Xfinity.
5G and 4G LTE (outdoors only)
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