Sonoma County property record for 21905 Arnold Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,644 sqft · built 1908 |
| Lot Size | 0.92 acres (40,075 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,550,000 (Jul 2006) |
| Tax Bill | $10,375 (2025) |
| Deeds & Mortgages | May 2022 Mortgage May 2022 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 142-062-022-000 |
| Primary APN | 142-062-022-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,644 sqft Living Area |
| 1st Floor Area | 1,644 sqft |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 40,075 sqft (0.92 acres) |
| Garage Type | Detached |
| Garage Area | 540 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 142-062-022 |
|---|---|
| Street Address | 21905 ARNOLD DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-9210 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 01 FM PT142-062-18&PT17 00RPERPMD 79 COR 3537OR773 |
| Legal Subdivision | MAP OF THE SUBS OF LANDS OF GEO P BAXTER |
| Legal Block | 2 |
| Legal Lot Number | 24 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 150100 |
21905 Arnold Dr is held in a trust since July 2006.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 19414 OLIVE AVE, SONOMA, CA 95476-6210 |
| 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.
| Date | Document |
|---|---|
| May 4, 2022 | Deed of Trust, Mortgage · Commercial Mortgage UNITY BANK |
| May 4, 2022 | Deed of Trust, Mortgage UNITY BANK |
| Jun 10, 2021 | Deed of Trust, Mortgage · Line of Credit UNITY BANK |
| Jan 19, 2018 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 11, 2006 · Amount on File |
| Deed Sale | Jul 11, 2006 · Amount on File |
| Deed Document Number | 200685901 |
| Prior Transfer Date | Feb 10, 2006 |
| Prior Transfer Doc | 0000034854 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 21905 ARNOLD DR, SONOMA, CA 95476-9210 |
| Transaction Type | Mortgage |
| Record Updated | Aug 22, 2023 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000032103 |
|---|---|
| Date | May 4, 2022 |
| Instrument | 2022032103 |
| Name | UNITY BANK |
|---|---|
| Type | Bank |
| Address | PIERZ, MN 56364 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 21905 ARNOLD DR, SONOMA, CA 95476-9210 |
| Transaction Type | Mortgage |
| Record Updated | Oct 14, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000032102 |
|---|---|
| Date | May 4, 2022 |
| Instrument | 2022032102 |
| Name | UNITY BANK |
|---|---|
| Type | Bank |
| Address | 53634 |
| Amount | Amount on Record |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 21905 ARNOLD DR, SONOMA, CA 95476-9210 |
| Transaction Type | Mortgage |
| Record Updated | Oct 14, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | PO BOX 219, PIERZ, MN 56364-0219 |
| Document Number | 0000068528 |
|---|---|
| Date | Jun 10, 2021 |
| Instrument | 2021068528 |
| Name | UNITY BANK |
|---|---|
| Type | Bank |
| Address | PIERZ, MN 56364 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 19, 2018 |
| Property Address | 21905 ARNOLD DR, SONOMA, CA 95476-9210 |
| Document Number | 0000004065 |
| Instrument Date | Jan 17, 2018 |
| Instrument | 4065 |
| Transaction Type | Transfer |
| Record Updated | Jun 29, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 19414 OLIVE AVE SONOMA CA 954766210, SONOMA, CA 95476-6210 |
The 2025 property tax bill for 21905 Arnold Dr was $10,375.
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 | $888,265 (+2%) Land $526,127 Building $362,138 | |
| 2025 | $10,375.00 | $870,849 Land $515,811 Building $355,038 |
| 2023 | $9,996.00 (+1.93%) | $837,035 Land $495,783 Building $341,252 |
| 2022 | $9,807.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21905 Arnold Dr in Zone X, an area of minimal flood risk, though there have been 27 flood claims nearby since 1978.
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 |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 27 (1978–2025) |
| Claims Outside the SFHA | 7 of 27 |
| Most Recent Claim | Feb 2025 · rainfall accumulation |
| Claims by Event |
|
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 21905 Arnold Dr is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
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