Sonoma County property record for 1648 Madrone Ave, Healdsburg, CA 95448
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.155 acres (6,768 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $7,500 (Aug 2003) |
| Tax Bill | $281 (2025) |
| Deeds & Mortgages | Jan 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 087-192-004-000 |
| Primary APN | 087-192-004-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 6,768 sqft (0.155 acres) |
|---|
| Old Parcel Number | 087-192-004 |
|---|---|
| Street Address | 1648 MADRONE AVE |
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4646 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | RRB8FRZN |
| Legal Description | UNINCORP COUNTY CA |
| Legal Subdivision | CAMP ROSE COMPANY |
| Legal Block | 1 |
| Legal Lot Number | 31 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 153905 |
1648 Madrone Ave, residential vacant land, is held in a trust since January 2024.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 1628 MADRONE AVE, HEALDSBURG, CA 95448-4646 |
| Owner Type | Company |
| Vesting | Trust, Family 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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 8, 2003 · Amount on File |
| Deed Sale | Aug 8, 2003 · Amount on File |
| Deed Document Number | 2003165625 |
| Last Transfer Date | Jan 17, 2024 |
| Transfer Doc | 0000002392 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 18, 2024 |
| Property Address | 1648 MADRONE AVE, HEALDSBURG, CA 95448-4646 |
| Document Number | 0000002392 |
| Map Reference | MB 21 PG 6 |
| Instrument Date | Jan 17, 2024 |
| Instrument | 2024002392 |
| Transaction Type | Transfer |
| Record Updated | Feb 2, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1628 MADRONE AVE, HEALDSBURG, CA 95448-4646 |
The 2025 property tax bill for 1648 Madrone Ave was $281.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Healdsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $10,500 (+1.99%) Land $10,500 | |
| 2025 | $281.00 | $10,295 Land $10,295 |
| 2023 | $275.00 (+0.36%) | $9,897 Land $9,897 |
| 2022 | $274.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1648 Madrone Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 2019.
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 |
| Flood Insurance Cost | Premium on File median of 16 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 6 (2019–2025) |
| Claims Outside the SFHA | 5 of 6 |
| Most Recent Claim | Feb 2025 · river or lake 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 1648 Madrone Ave is high, ranking above 72% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 48% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 | SONOMA COUNTY CSA 41-FITCH MOUNTAIN serves 1,115 people · EPA ID CA4910010 |
|---|---|
| Water Source | Purchased surface water from CITY OF HEALDSBURG |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 141 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
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