Sonoma County property record for 320 Haydon St, Healdsburg, CA 95448
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,360 sqft · built 1940 |
| Lot Size | 0.113 acres (4,928 sqft) |
| Owner | 2 Individuals on Record |
| Tax Bill | $2,616 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-292-006-000 |
| Primary APN | 002-292-006-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,360 sqft Living Area |
| 1st Floor Area | 1,360 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1944 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,928 sqft (0.113 acres) |
| Garage Type | Detached |
| Garage Area | 270 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | None |
|---|
| Street Address | 320 HAYDON ST |
|---|---|
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4412 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYHE |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 153902 |
Source: Sonoma County assessment roll, as of April 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individuals on Record |
|---|---|
| Mailing Address | 320 HAYDON ST, HEALDSBURG, CA 95448-4412 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Sonoma County assessment roll, as of April 13, 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 |
|---|---|---|
| 2025 | $2,616.00 (+4.98%) Homeowner's exemption | $216,321 (+4.04%) Land $59,728 Building $156,593 |
| 2023 | $2,492.00 (+1.14%) Homeowner's exemption | $207,922 Land $57,409 Building $150,513 |
| 2022 | $2,464.00 |
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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