Sonoma County property record for 317 Mason St, Healdsburg, CA 95448 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,434 sqft · built 1940 |
| Lot Size | 0.109 acres (4,740 sqft) |
| Owner | Individual Name on File |
| Last Sale | $360,000 (Dec 2010) |
| Tax Bill | $5,450 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-292-017-000 |
| Primary APN | 002-292-017-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,434 sqft Living Area |
| 1st Floor Area | 1,434 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,740 sqft (0.109 acres) |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | None |
|---|
| Street Address | 317 MASON ST |
|---|---|
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4417 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP F6 74 |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 153902 |
Source: Sonoma County records · APN 002-292-017-000
Assessment roll updated April 13, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 317 MASON ST, HEALDSBURG, CA 95448-4417 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 02, 2010 · Amount on Record |
| Deed Sale | Dec 02, 2010 · Amount on Record |
| Prior Sale | May 28, 1999 · Amount on Record |
| Deed Document Number | 2010109139 |
| Prior Transfer Date | Mar 13, 2003 |
| Prior Transfer Doc | 0000054528 |
| Record Updated | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Healdsburg City |
| Unified School District | Healdsburg Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,450.00 (+5.13%) Homeowner's exemption | $461,209 (+4.04%) Land $217,793 Building $243,416 |
| 2023 | $5,184.00 (+1.07%) Homeowner's exemption | $443,302 Land $209,337 Building $233,965 |
| 2022 | $5,129.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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