Sonoma County property record for 411 B St, Petaluma, CA 94952
| Property Type | Commercial Office |
|---|---|
| Details | 5,500 sqft · built 1957 |
| Lot Size | 0.191 acres (8,300 sqft) |
| Owner | Company Name on Record |
| Last Sale | $950,000 (Dec 2016) |
| Tax Bill | $11,703 (2025) |
| Deeds & Mortgages | Feb 2021 Transfer Feb 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-061-016-000 |
| Primary APN | 008-061-016-000 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 5,500 sqft Gross Area |
| 1st Floor Area | 5,500 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 8,300 sqft (0.191 acres) |
| Cooling System | None |
|---|
| Old Parcel Number | 008-061-016 |
|---|---|
| Street Address | 411 B ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-3054 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | CITYPE |
| Legal Subdivision | CITY PETALUMA |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 150701 |
Source: Sonoma County records, as of September 1, 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 Record |
|---|---|
| Mailing Address | PO BOX 1474, SAN MATEO, CA 94401-0866 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Date | Document |
|---|---|
| Feb 8, 2021 | Intrafamily Transfer, Transfer |
| Feb 9, 2021 | Grant Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 14, 2016 · Amount on Record |
| Deed Sale | Dec 14, 2016 · Amount on Record |
| Prior Sale | Nov 30, 1998 |
| Deed Document Number | 2016115207 |
| Prior Transfer Date | Sep 8, 2003 |
| Prior Transfer Doc | 0000197428 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Feb 8, 2021 |
| Property Address | 411 B ST, PETALUMA, CA 94952-3054 |
| Document Number | 0000014867 |
| Instrument Date | Jan 27, 2021 |
| Instrument | 2021014867 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 269 W 3RD AVE, SAN MATEO, CA 94402-1551 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Feb 9, 2021 |
| Property Address | 411 B ST, PETALUMA, CA 94952-3054 |
| Document Number | 0000015467 |
| Instrument Date | Jan 27, 2021 |
| Instrument | 2021015467 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $596.00 |
| Amount Accuracy | Partially Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 269 W 3RD AVE, SAN MATEO, CA 94402-1551 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Petaluma City |
| Elementary School District | Petaluma City Elementary School District (KG - 06) |
| Secondary School District | Petaluma Joint Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,035,817 (+2%) Land $313,704 Building $722,113 | |
| 2025 | $11,703.00 (+9.53%) | $1,015,507 (+4.04%) Land $307,553 Building $707,954 |
| 2023 | $10,685.00 (+0.87%) | $976,075 Land $295,611 Building $680,464 |
| 2022 | $10,593.00 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 43 units insured incl. 37 condo units |
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 PETALUMA serves 61,427 people · EPA ID CA4910006 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 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 | None 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 432 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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