Sonoma County property record for 428 1st St E, Sonoma, CA 95476 · Last verified August 2026
| Property Type | Commercial Office |
|---|---|
| Details | 1,064 sqft · built 1941 |
| Lot Size | 0.276 acres (12,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $134,000 (Dec 2010) |
| Tax Bill | $14,751 (2025) |
| Deeds & Mortgages | Aug 2022 Transfer Aug 2022 Transfer + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-221-034-000 |
| Primary APN | 018-221-034-000 |
|---|---|
| Alternative APN |
|
| Units | 4 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 1,064 sqft Gross Area |
| 1st Floor Area | 1,064 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 12,000 sqft (0.276 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Street Address | 428 1ST ST E |
|---|---|
| City | SONOMA |
| State | CA |
| Zip | 95476-6702 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | 1968 FORM 18-221-27 C/W PT OF 28 OR 2304-367 |
| Legal Subdivision | SONOMA |
| Legal Block | 1 |
| Legal Lot Number | 35,36 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 150206 |
Source: Sonoma County records · APN 018-221-034-000
Assessment roll updated April 13, 2026 · Last verified August 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 | 69 POST ST, YONKERS, NY 10705-2254 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Aug 04, 2022 | Intrafamily Transfer, Transfer |
| Aug 04, 2022 | Intrafamily Transfer, Transfer |
| May 09, 2022 | Intrafamily Transfer, Transfer |
| Oct 19, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Oct 15, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 30, 2010 · Amount on Record |
| Deed Sale | Dec 30, 2010 · Amount on Record |
| Deed Document Number | 2010119462 |
| Last Transfer Date | Jul 13, 2022 |
| Transfer Doc | 0000052082 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 04, 2022 |
| Property Address | 428 1ST ST E, SONOMA, CA 95476-6702 |
| Document Number | 0000052081 |
| Map Reference | MB 585 PG 281 |
| Instrument Date | Jul 13, 2022 |
| Instrument | 2022052081 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 69 POST ST, YONKERS, NY 10705-2254 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 04, 2022 |
| Property Address | 428 1ST ST E, SONOMA, CA 95476-6702 |
| Document Number | 0000052082 |
| Instrument Date | Jul 13, 2022 |
| Instrument | 2022052082 |
| Transaction Type | Transfer |
| Record Updated | Aug 18, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | May 09, 2022 |
| Property Address | 428 1ST ST E, SONOMA, CA 95476-6702 |
| Document Number | 0000033160 |
| Instrument Date | May 02, 2022 |
| Instrument | 2022033160 |
| Transaction Type | Transfer |
| Record Updated | May 24, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 69 POST ST, 69, YONKERS, NY 10705-2254 |
| Name | Verified Name |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 19, 2018 |
| Property Address | 428 1ST ST E, SONOMA, CA 95476-6702 |
| Document Number | 0000072761 |
| Instrument Date | Oct 05, 2018 |
| Instrument | 72761 |
| Transaction Type | Transfer |
| Record Updated | Nov 08, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 428 1ST ST E SONOMA CA 954766702, SONOMA, CA 95476-6702 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 15, 2018 |
| Property Address | 428 1ST ST E, SONOMA, CA 95476-6702 |
| Document Number | 0000071773 |
| Instrument Date | Oct 01, 2018 |
| Instrument | 71773 |
| Transaction Type | Transfer |
| Record Updated | Nov 01, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 1410 VALLEJO ST SAN FRANCISCO CA 941092608, SAN FRANCISCO, CA 94109-2608 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 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 | $14,751.00 (+302.7%) | $1,136,551 (+586.9%) Land $487,093 Building $649,458 |
| 2023 | $3,663.00 (+3.04%) | $165,460 Land $89,534 Building $75,926 |
| 2022 | $3,555.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 8,333 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures