Sonoma County property record for 540 Oak St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,196 sqft · built 1900 |
| Lot Size | 0.244 acres (10,622 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,204 (2025) |
| Deeds & Mortgages | Aug 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-202-001-000 |
| Primary APN | 006-202-001-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,196 sqft Living Area |
| 1st Floor Area | 1,196 sqft |
| Basement Area | 512 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1914 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Shingle |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 10,622 sqft (0.244 acres) |
| Garage Area | 360 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 006-202-001 |
|---|---|
| Street Address | 540 OAK ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2725 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Subdivision | CHERRY BILL ADD |
| Legal Block | 4 |
| Legal Lot Number | 8-10 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 150902 |
540 Oak St is owner-occupied and held in a trust since July 2020.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 540 OAK ST, PETALUMA, CA 94952-2725 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 17, 2020 |
| Transfer Doc | 0000067550 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Aug 10, 2020 |
| Property Address | 540 OAK ST, PETALUMA, CA 94952-2725 |
| Document Number | 0000067550 |
| Instrument Date | Jul 17, 2020 |
| Instrument | 67550 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 540 OAK ST PETALUMA CA 949522725, PETALUMA, CA 94952-2725 |
The 2025 property tax bill for 540 Oak St was $2,204 with a homeowner's exemption.
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 | $184,797 (+2%) Land $85,302 Building $99,495 | |
| 2025 | $2,204.00 Homeowner's exemption | $181,175 Land $83,630 Building $97,545 |
| 2023 | $1,953.00 (+0.88%) Homeowner's exemption | $174,142 Land $80,384 Building $93,758 |
| 2022 | $1,936.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 540 Oak St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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.
Wildfire risk around 540 Oak St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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 752 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 |
May also be available: T-Mobile.
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