Sonoma County property record for 424 Mason St, #A, Healdsburg, CA 95448
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,152 sqft · built 1972 |
| Lot Size | 0.115 acres (5,019 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $299,000 (Jul 2008) |
| Tax Bill | $5,328 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-291-037-000 |
| Primary APN | 002-291-037-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,152 sqft Living Area |
| Gross Area | 1,440 sqft |
| 1st Floor Area | 1,152 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,019 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 002-291-037 |
|---|---|
| Street Address | 424 MASON ST, A |
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYHE |
| Legal Description | 85 FM PT OF 2-291-32 PM 95 LOT 2 |
| Legal Subdivision | CITY OF HEALDSBURG PARCEL MAP #95 |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 153902 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 424 MASON ST, A, HEALDSBURG, CA 95448-4420 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 10, 2008 · Amount on Record |
| Deed Sale | Jul 10, 2008 · Amount on Record |
| Prior Sale | Oct 14, 2005 · Amount on Record |
| Deed Document Number | 200863329 |
| Last Transfer Date | Feb 27, 2009 |
| Transfer Doc | 0000019136 |
| 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 | $459,712 (+2%) Land $223,289 Building $236,423 | |
| 2025 | $5,328.00 (+5.11%) Homeowner's exemption | $450,699 (+4.04%) Land $218,911 Building $231,788 |
| 2023 | $5,069.00 (+1.08%) Homeowner's exemption | $433,200 Land $210,411 Building $222,789 |
| 2022 | $5,015.00 |
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 |
|---|---|
| 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 541 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 |
| Starlink Satellite | 280 / 30 |
May also be available: AT&T, GeoLinks, T-Mobile.
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