Sonoma County property record for 529 Webster St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 753 sqft · built 1915 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $210,000 (May 1999) |
| Tax Bill | $4,426 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-011-068-000 |
| Primary APN | 008-011-068-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 753 sqft Living Area |
| 1st Floor Area | 753 sqft |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Detached |
| Garage Area | 168 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Old Parcel Number | 008-011-068 |
|---|---|
| Street Address | 529 WEBSTER ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2455 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | 77 FORM 8-011-39 CW PT OF 40 & PT TO PT OF 69 MD |
| Legal Subdivision | HILLSIDE TRACT |
| Legal Block | 3 |
| Legal Lot Number | 9,10 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 150800 |
Source: Sonoma County assessment roll, 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 Individual Names on File |
|---|---|
| Mailing Address | 529 WEBSTER ST, PETALUMA, CA 94952-2455 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 28, 1999 · Amount on Record |
| Deed Sale | May 28, 1999 · Amount on Record |
| Deed Document Number | 199969845 |
| Last Transfer Date | Apr 21, 2006 |
| Transfer Doc | 0000050538 |
| 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 | $4,426.00 (+10.79%) Homeowner's exemption | $377,993 (+4.04%) Land $250,832 Building $127,161 |
| 2023 | $3,995.00 (+0.88%) Homeowner's exemption | $363,317 Land $241,093 Building $122,224 |
| 2022 | $3,960.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 |
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 714 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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