Sonoma County property record for 323 Mason St, Healdsburg, CA 95448
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,003 sqft · built 1900 |
| Lot Size | 0.112 acres (4,872 sqft) |
| Owner | Company Name on Record |
| Last Sale | $450,000 (May 2009) |
| Tax Bill | $7,358 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 002-292-016-000 |
| Primary APN | 002-292-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,003 sqft Living Area |
| 1st Floor Area | 1,003 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,872 sqft (0.112 acres) |
| Garage Type | Detached |
| Garage Area | 270 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 002-292-016 |
|---|---|
| Street Address | 323 MASON ST |
| City | HEALDSBURG |
| State | CA |
| Zip | 95448-4417 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYHE |
| 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, 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 | Company Name on Record |
|---|---|
| Mailing Address | 323 MASON ST, HEALDSBURG, CA 95448-4417 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 20, 2009 · Amount on Record |
| Deed Sale | May 20, 2009 · Amount on Record |
| Prior Sale | Aug 18, 1995 · Amount on Record |
| Deed Document Number | 200948542 |
| Prior Transfer Date | Jun 6, 1995 |
| Prior Transfer Doc | 0000047422 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 323 MASON ST, HEALDSBURG, CA 95448-4417 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 323 MASON ST, HEALDSBURG, CA 95448-4417 |
| Document Number | 0000070247 |
|---|---|
| Date | Jun 15, 2021 |
| Instrument | 2021070247 |
| Name | LENDUS LLC |
|---|---|
| Type | Mortgage Company |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2051 |
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 | $638,679 (+2%) Land $328,372 Building $310,307 | |
| 2025 | $7,358.00 (+5.14%) Homeowner's exemption | $626,157 (+4.04%) Land $321,934 Building $304,223 |
| 2023 | $6,998.00 (+1.07%) Homeowner's exemption | $601,844 Land $309,434 Building $292,410 |
| 2022 | $6,924.00 |
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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