Sonoma County property record for 350 Patten St, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 1,749 sqft · built 1956 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,500,000 (Sep 2026) |
| Tax Bill | $21,245 (2025) |
| Deeds & Mortgages | Sep 2026 Sale Jul 2026 Line of Credit + 2 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 018-271-030-000 |
| Primary APN | 018-271-030-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,749 sqft Living Area |
| 1st Floor Area | 1,749 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 018-271-030 |
|---|---|
| Street Address | 350 PATTEN ST |
| City | SONOMA |
| State | CA |
| Zip | 95476-6732 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Subdivision | OFARREL MAP |
| Legal Block | 1 |
| Legal Lot Number | 273 |
| 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 records, as of September 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Sep 14, 2026 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Jul 6, 2026 | Deed of Trust, Mortgage · Line of Credit BANCFIRST |
| Aug 6, 2021 | Intrafamily Transfer, Transfer |
| Jul 17, 2020 | Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 2026 · Amount on Record |
| Deed Sale | Sep 14, 2026 · Amount on Record |
| Prior Sale | Jul 17, 2020 · Amount on Record |
| Deed Document Number | 202646796 |
| Prior Transfer Date | Aug 2, 2021 |
| Prior Transfer Doc | 0000089885 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Sep 14, 2026 |
| Property Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000046796 |
| Instrument Date | Sep 9, 2026 |
| Instrument | 202646796 |
| Transaction Type | Transfer |
| Record Updated | Sep 21, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Amount | Amount Recorded |
|---|---|
| Tax | $277,750.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 6, 2026 |
| Property Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000034346 |
| Instrument Date | Jun 30, 2026 |
| Instrument | 202634346 |
| Transaction Type | Mortgage |
| Record Updated | Jul 13, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust, 165 |
| Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000034346, |
|---|---|
| Date | Jul 6, 2026 |
| Instrument | 202634346 |
| Name | BANCFIRST |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.48% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 6, 2021 |
| Property Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000089885 |
| Instrument Date | Aug 2, 2021 |
| Instrument | 2021089885 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 17, 2020 |
| Property Address | 350 PATTEN ST, SONOMA, CA 95476-6732 |
| Document Number | 0000059065 |
| Instrument Date | Jul 14, 2020 |
| Instrument | 2020059065 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,670.90 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1395 GOLDEN GATE AVE APT 608, 608, SAN FRANCISCO, CA 94115-4747 |
| Document Number | 0000059066 |
|---|---|
| Date | Jul 17, 2020 |
| Instrument | 2020059066 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.7% |
| Type Change Date | Aug 1, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.95% |
| Max Rate At Change | 10.9% |
| Index | 1-Year LIBOR |
| Max Rate | 10.9% |
Source: Sonoma County assessment roll, as of September 1, 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 |
|---|---|---|
| 2026 | $1,705,914 (+3.75%) Land $800,457 Building $905,457 | |
| 2025 | $21,245.00 (+9.48%) Homeowner's exemption | $1,644,211 (+4.04%) Land $784,762 Building $859,449 |
| 2023 | $19,406.00 (+2.31%) Homeowner's exemption | $1,580,367 Land $754,290 Building $826,077 |
| 2022 | $18,968.00 |
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 |
| 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 |
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 | 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 Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures