Sonoma County property record for 500 Jefferson St, Petaluma, CA 94952
| Property Type | Industrial Vacant Land |
|---|---|
| Lot Size | 0.653 acres (28,457 sqft) |
| Owner | Company Name on File |
| Tax Bill | $997 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 007-101-001-000 |
| Primary APN | 007-101-001-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 28,457 sqft (0.653 acres) |
|---|
| Old Parcel Number | 007-101-001 |
|---|---|
| Street Address | 500 JEFFERSON ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-3308 |
| Property Category | Industrial |
| Property Type | Industrial > Vacant Land |
| Local Zoning Code | CITYPE |
| Legal Subdivision | EAST PETALUMA |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 150701 |
500 Jefferson St, industrial vacant land, is owned by a company.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 377, PETALUMA, CA 94953-0377 |
| Owner Type | Company |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 500 Jefferson St was $997.
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 | $68,610 (+2%) Land $68,610 | |
| 2025 | $997.00 | $67,265 Land $67,265 |
| 2023 | $846.00 (+0.71%) | $64,654 Land $64,654 |
| 2022 | $840.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 500 Jefferson St in Zone X, an area of minimal flood risk, though there have been 36 flood claims nearby since 1980.
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 | 1 in force |
| Nearby Flood Claims | 36 (1980–2012) |
| Claims Outside the SFHA | 14 of 36 |
| Most Recent Claim | Dec 2012 · rainfall accumulation |
| Claims by Event |
|
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 500 Jefferson 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 95% of the US · lower than 97% 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 318 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
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