Sonoma County property record for 434 Piper St, Healdsburg, CA 95448
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,451 sqft · built 1936 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | Trust Name on File |
| Last Sale | $730,000 (Mar 2011) |
| Tax Bill | $11,015 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-152-016-000 |
| Primary APN | 002-152-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,451 sqft Living Area |
| 1st Floor Area | 1,451 sqft |
| Basement Area | 1,082 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 3,920 sqft (0.09 acres) |
| Old Parcel Number | 002-152-016 |
|---|---|
| Street Address | 434 PIPER ST |
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-3914 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | DOWS ADDITION |
| Legal Block | 2 |
| Legal Lot Number | 8 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 153903 |
434 Piper St is held in a trust since March 2011.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 701 OCCIDENTAL AVE, SAN MATEO, CA 94402-1056 |
| 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 | Mar 4, 2011 · Amount on File |
| Deed Sale | Mar 4, 2011 · Amount on File |
| Prior Sale | Nov 18, 2010 · Amount on File |
| Deed Document Number | 201120418 |
| Prior Transfer Date | Aug 2, 2005 |
| Prior Transfer Doc | 0000115604 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 434 Piper St was $11,015.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Healdsburg City |
| Unified School District | Healdsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $953,954 (+2%) Land $261,354 Building $692,600 | |
| 2025 | $11,015.00 | $935,250 Land $256,230 Building $679,020 |
| 2023 | $10,477.00 (+1.04%) | $898,934 Land $246,281 Building $652,653 |
| 2022 | $10,369.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 434 Piper St 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 |
| Nearby Flood Policies | 1 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 434 Piper St is low, with a 0.02% 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 | 0.02% annual chance |
| Exposure | Indirect within 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 HEALDSBURG serves 10,972 people · EPA ID CA4910005 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| 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 477 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 |
May also be available: GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures