Sonoma County property record for 35 Patten St, Sonoma, CA 95476 · Last verified April 2026
| Property Type | Commercial Office |
|---|---|
| Details | 2.25 ba · 1,584 sqft · built 1920 |
| Lot Size | 0.273 acres (11,900 sqft) |
| Owner | Company Name on File |
| Last Sale | $850,000 (Dec 2002) |
| Tax Bill | $15,616 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 018-302-016-000 |
| Primary APN | 018-302-016-000 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.25 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Units | 3 Units |
| Stories | 1 Story |
| Building Area | 1,584 sqft Gross Area |
| 1st Floor Area | 1,584 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 11,900 sqft (0.273 acres) |
| Garage Area | 576 sqft |
| Porch | Porch |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 018-302-016 |
|---|---|
| Street Address | 35 PATTEN ST |
| City | SONOMA |
| State | CA |
| Zip | 95476-6726 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | 75 FORM 18-302-03 & 05 C/HERE M/D |
| Legal Subdivision | SONOMA |
| Legal Block | 1 |
| Legal Lot Number | 72 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 150204 |
Source: Sonoma County records · APN 018-302-016-000
Assessment roll updated April 13, 2026 · Last verified April 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 File |
|---|---|
| Mailing Address | 4499 LOVALL VALLEY RD, SONOMA, CA 95476-4902 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 20, 2002 · Amount on Record |
| Deed Sale | Dec 20, 2002 · Amount on Record |
| Prior Sale | Jul 02, 1993 · Amount on Record |
| Deed Document Number | 2002205412 |
| Prior Transfer Date | Feb 08, 2002 |
| Prior Transfer Doc | 0000026646 |
| Record Updated | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $15,616.00 (+4.48%) | $1,231,104 (+4.04%) Land $724,182 Building $506,922 |
| 2023 | $14,947.00 (+2.06%) | $1,183,301 Land $696,062 Building $487,239 |
| 2022 | $14,645.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971502041, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 15 individual NFIP policies nearby |
| Nearby Flood Policies | 15 in force 8 of 15 on primary residences |
| Nearby Flood Claims | 8 (1978–2025) |
| Claims Outside the SFHA | 6 of 8 |
| Most Recent Claim | Feb 2025, rainfall accumulation |
| Flood Events |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Sonoma Plaza listed 1975 · 31 contributing resources · National Historic Landmark (designated 1960) · NRIS 75000489 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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