Sonoma County property record for 346 Patten St, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,077 sqft · built 1971 |
| Lot Size | 0.195 acres (8,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,300,000 (Aug 2021) |
| Tax Bill | $17,054 (2025) |
| Deeds & Mortgages | Aug 2021 Sale Jun 2020 Transfer + 1 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 018-271-035-000 |
| Primary APN | 018-271-035-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 2,077 sqft Living Area |
| Gross Area | 2,577 sqft |
| 1st Floor Area | 1,577 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,500 sqft (0.195 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 018-271-035 |
|---|---|
| Street Address | 346 PATTEN ST |
| City | SONOMA |
| State | CA |
| Zip | 95476-6732 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | MAP 388 PG 9 LOT 1 |
| Legal Subdivision | MAP OF SONOMA |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 150204 |
Source: NPS National Register of Historic Places, as of August 1, 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.
Source: Sonoma County assessment roll, as of April 13, 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 | 351 E NAPA ST, SONOMA, CA 95476-6722 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Aug 10, 2021 | Grant Deed, Transfer FIDELITY NATIONAL TITLE CO |
| Jun 17, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Mar 14, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 10, 2021 · Amount on Record |
| Deed Sale | Aug 10, 2021 · Amount on Record |
| Deed Document Number | 202190754 |
| Prior Transfer Date | Jun 12, 2020 |
| Prior Transfer Doc | 0000048148 |
| Record Updated | Jun 8, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2021 |
| Property Address | 346 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000090754 |
| Instrument Date | Aug 3, 2021 |
| Instrument | 2021090754 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,430.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 351 E NAPA ST, SONOMA, CA 95476-6722 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 17, 2020 |
| Property Address | 346 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000048148 |
| Instrument Date | Jun 12, 2020 |
| Instrument | 48148 |
| Transaction Type | Transfer |
| Record Updated | Jul 7, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 6250 NW 72ND WAY PARKLAND FL 330671223, PARKLAND, FL 33067-1223 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Mar 14, 2019 |
| Property Address | 346 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000017767 |
| Instrument Date | Mar 8, 2019 |
| Instrument | 17767 |
| Transaction Type | Transfer |
| Record Updated | Mar 29, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 346 PATTEN ST SONOMA CA 954766732, SONOMA, CA 95476-6732 |
Source: Sonoma County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $17,054.00 (+4.29%) | $1,379,570 (+4.04%) Land $795,906 Building $583,664 |
| 2023 | $16,352.00 (+1.45%) | $1,326,000 Land $765,000 Building $561,000 |
| 2022 | $16,119.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 8 (1978–2025) |
| Claims Outside the SFHA | 6 of 8 |
| 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.
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 | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SONOMA serves 10,619 people · EPA ID CA4910012 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 579 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 USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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