Sonoma County property record for 340 Walnut St, Petaluma, CA 94952 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,444 sqft · built 1912 |
| Lot Size | 0.09 acres (3,922 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,415,000 (May 2024) |
| Tax Bill | $5,280 (2025) |
| Deeds & Mortgages | May 2024 Sale Oct 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-211-004-000 |
| Primary APN | 006-211-004-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,444 sqft Living Area |
| 1st Floor Area | 1,444 sqft |
| Basement Area | 312 sqft |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1980 |
| Construction Type | Wood |
| Lot Area | 3,922 sqft (0.09 acres) |
| Garage Area | 380 sqft |
| Cooling System | HVAC |
|---|
| Street Address | 340 WALNUT ST |
|---|---|
| City | PETALUMA |
| State | CA |
| Zip | 94952-2743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP E4 183 |
| Legal Subdivision | PETALUMA |
| Legal Block | 4 |
| Legal Lot Number | 463 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 150902 |
Source: Sonoma County records · APN 006-211-004-000
Assessment roll updated April 13, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 340 WALNUT ST, PETALUMA, CA 94952-2743 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 02, 2024 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Oct 26, 2021 | Grant Deed, Transfer FIDELITY NATIONAL TITLE CO |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 02, 2024 · Amount on Record |
| Deed Sale | May 02, 2024 · Amount on Record |
| Prior Sale | Oct 26, 2021 · Amount on Record |
| Deed Document Number | 202418793 |
| Prior Transfer Date | May 02, 2012 |
| Prior Transfer Doc | 0000052849 |
| Record Updated | Jun 08, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | May 02, 2024 |
| Property Address | 340 WALNUT ST, PETALUMA, CA 94952-2743 |
| Document Number | 0000018793 |
| Instrument Date | Apr 29, 2024 |
| Instrument | 2024018793 |
| Transaction Type | Transfer |
| Record Updated | May 20, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $4,386.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 340 WALNUT ST, PETALUMA, CA 94952-2743 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Oct 26, 2021 |
| Property Address | 340 WALNUT ST, PETALUMA, CA 94952-2743 |
| Document Number | 0000117322 |
| Instrument Date | Oct 21, 2021 |
| Instrument | 2021117322 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $3,952.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2 VALLEY CIR, MILL VALLEY, CA 94941-2126 |
| Investor | Possibly a Property Investor |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 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) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,280.00 (-62.78%) Homeowner's exemption | $453,616 (-65.12%) Land $215,461 Building $238,155 |
| 2023 | $14,187.00 (+0.87%) | $1,300,500 Land $520,200 Building $780,300 |
| 2022 | $14,065.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971509024, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Jan 1982, tidal / storm surge, Severe Storms, Flood, Mudslides & High Tide |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 752 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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