Sonoma County property record for 1856 Castle Dr, Petaluma, CA 94954
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,387 sqft · built 1992 |
| Lot Size | 0.264 acres (11,480 sqft) |
| Owner | Trust Name on File |
| Last Sale | $411,500 (Jun 1992) |
| Tax Bill | $7,687 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 136-520-028-000 |
| Primary APN | 136-520-028-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 3,387 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1993 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 11,480 sqft (0.264 acres) |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Old Parcel Number | 136-520-028 |
|---|---|
| Street Address | 1856 CASTLE DR |
| City | PETALUMA |
| State | CA |
| Zip | 94954-8504 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | MAP 478 PG 25 LOT 15 |
| Legal Subdivision | KINGSMILL PH 03 |
| Legal Block | 4 |
| Legal Lot Number | 15 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4015 |
| Census Tract | 150607 |
1856 Castle Dr is owner-occupied and held in a trust since May 2013.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 1856 CASTLE DR, PETALUMA, CA 94954-8504 |
| Occupancy | Owner Occupied |
| 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 | Jun 30, 1992 · Amount on File |
| Deed Sale | Jun 30, 1992 · Amount on File |
| Deed Document Number | 199279612 |
| Last Transfer Date | May 1, 2013 |
| Transfer Doc | 0000045604 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1856 Castle Dr was $7,687 with a homeowner's exemption.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Petaluma City |
| Elementary School District | Old Adobe Union Elementary School District (KG - 06) |
| Secondary School District | Petaluma Joint Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $682,759 (+2%) Land $191,032 Building $491,727 | |
| 2025 | $7,687.00 Homeowner's exemption | $669,373 Land $187,287 Building $482,086 |
| 2023 | $7,226.00 (+0.54%) Homeowner's exemption | $643,382 Land $180,015 Building $463,367 |
| 2022 | $7,187.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1856 Castle Dr in Zone X, an area of minimal flood risk.
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 | 2 in force |
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 1856 Castle Dr 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 93% of the US · lower than 96% 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 381 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL | 100 / 20 |
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