Sonoma County property record for 326 Walnut St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,602 sqft · built 1870 |
| Lot Size | 0.146 acres (6,360 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $1,853 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-211-007-000 |
| Primary APN | 006-211-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,602 sqft Living Area |
| Gross Area | 1,935 sqft |
| 1st Floor Area | 1,302 sqft |
| Year Built | Built 1870 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,360 sqft (0.146 acres) |
| Garage Type | Attached |
| Garage Area | 333 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 006-211-007 |
|---|---|
| Street Address | 326 WALNUT ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Block | 4 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 150902 |
Source: Sonoma County records, 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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 326 WALNUT ST, PETALUMA, CA 94952-2743 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 3, 2023 |
| Transfer Doc | 0000046870 |
| Record Updated | Sep 20, 2026 |
Source: Sonoma County assessment roll, as of April 13, 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 |
|---|---|---|
| 2025 | $1,853.00 (+13.61%) Homeowner's exemption | $150,132 (+4.04%) Land $39,022 Building $111,110 |
| 2023 | $1,631.00 (+0.93%) Homeowner's exemption | $144,304 Land $37,507 Building $106,797 |
| 2022 | $1,616.00 |
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 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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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