Sonoma County property record for 40 Mill St, Healdsburg, CA 95448
| Property Type | General Industrial |
|---|---|
| Details | 4,860 sqft · built 2000 |
| Lot Size | 0.24 acres (10,454 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,585 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-251-012-000 |
| Primary APN | 002-251-012-000 |
|---|---|
| Alternative APN |
|
| Building Area | 4,860 sqft Gross Area |
|---|
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Construction Type | Wood |
| Fire Resistance | Special |
| Lot Area | 10,454 sqft (0.24 acres) |
| Cooling System | None |
|---|
| Old Parcel Number | 002-251-012 |
|---|---|
| Street Address | 40 MILL ST |
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4010 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | CITYHE |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 153902 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 11248, SANTA ROSA, CA 95406-1248 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 14, 2012 |
| Deed Sale | Dec 14, 2012 |
| Prior Sale | Dec 14, 2012 |
| Deed Document Number | 2012128531 |
| Prior Transfer Date | Dec 29, 2006 |
| Prior Transfer Doc | 0000161483 |
| Record Updated | Oct 29, 2026 |
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 | $298,873 (+2%) Land $68,326 Building $230,547 | |
| 2025 | $3,585.00 (+4.98%) | $293,014 (+4.04%) Land $66,987 Building $226,027 |
| 2023 | $3,415.00 (+1.07%) | $281,638 Land $64,387 Building $217,251 |
| 2022 | $3,379.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Flood Insurance Cost | Premium on Record median of 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 31 (1978–2026) |
| Claims Outside the SFHA | 10 of 31 |
| Most Recent Claim | Jan 2026 · 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.
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 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 83 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, Sonic Telecom, T-Mobile.
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