Sonoma County property record for 522 Petaluma Blvd S, Petaluma, CA 94952
| Property Type | Commercial Office |
|---|---|
| Details | 1 bd · 1 ba · 1,611 sqft · built 1930 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Trust Name on File |
| Last Sale | $410,000 (Feb 2016) |
| Tax Bill | $5,717 (2025) |
| Deeds & Mortgages | Mar 2017 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-265-010-000 |
| Primary APN | 008-265-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 1 Room |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,611 sqft Gross Area |
| 1st Floor Area | 1,611 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 704 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 008-265-010 |
|---|---|
| Street Address | 522 PETALUMA BLVD S |
| City | PETALUMA |
| State | CA |
| Zip | 94952-5129 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | CITYPE |
| Legal Description | LOT 7 BLK 37 EASTERN EXTENSION |
| Legal Subdivision | PETALUMA |
| Legal Block | 37 |
| Legal Lot Number | 7 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 150701 |
522 Petaluma Blvd S, a commercial property, is held in a trust since February 2016.
Source: Sonoma County records, as of October 13, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 904 LOHRMAN LN, PETALUMA, CA 94952-1612 |
| 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 Sale | Feb 19, 2016 · Amount on File |
| Deed Sale | Feb 19, 2016 · Amount on File |
| Deed Document Number | 201612040 |
| Prior Transfer Date | Dec 14, 2006 |
| Prior Transfer Doc | 0000156485 |
| Record Updated | Oct 29, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 522 PETALUMA BLVD S, PETALUMA, CA 94952-5129 |
| Document Number | 0000019657 |
| Instrument Date | Mar 9, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Apr 4, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 616 PETALUMA BLVD S PETALUMA CA 949525131, PETALUMA, CA 94952-5131 |
| Document Number | 0000019657 |
|---|---|
| Date | Mar 14, 2017 |
| Instrument | 19657 |
| Name | BANK OF MARIN |
|---|---|
| Type | Bank |
| Address | NOVATO, CA 94948 |
| Amount | Amount on Record |
|---|---|
| Term | 120 Months |
| Due | Mar 13, 2027 |
The 2025 property tax bill for 522 Petaluma Blvd S was $5,717.
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 | $495,056 (+2%) Land $150,931 Building $344,125 | |
| 2025 | $5,717.00 | $485,350 Land $147,972 Building $337,378 |
| 2023 | $5,184.00 (+0.86%) | $466,505 Land $142,227 Building $324,278 |
| 2022 | $5,140.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 522 Petaluma Blvd S in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 13 (1980–1998) |
| Claims Outside the SFHA | 4 of 13 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| 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 522 Petaluma Blvd S is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 724 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 in parts of the area | 100 / 20 |
May also be available: Astound Broadband, T-Mobile.
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