Sonoma County property record for 342 W Macarthur St, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,494 sqft · built 1955 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $290,000 (Mar 2001) |
| Tax Bill | $8,189 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-392-028-000 |
| Primary APN | 018-392-028-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,494 sqft Living Area |
| Gross Area | 1,714 sqft |
| 1st Floor Area | 1,494 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Old Parcel Number | 018-392-028 |
|---|---|
| Street Address | 342 W MACARTHUR ST |
| City | SONOMA |
| State | CA |
| Zip | 95476-7428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Subdivision | GABRIELLI & NICOLI |
| Legal Block | 2 |
| Legal Lot Number | 20 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 150204 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 342 W MACARTHUR ST, SONOMA, CA 95476-7428 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 1, 2001 · Amount on Record |
| Deed Sale | Mar 1, 2001 · Amount on Record |
| Prior Sale | Aug 25, 1999 · Amount on Record |
| Deed Document Number | 200122347 |
| Last Transfer Date | Jul 3, 2003 |
| Transfer Doc | 0000142510 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $556,243 (+2%) Land $245,911 Building $310,332 | |
| 2025 | $8,189.00 (+7.88%) Homeowner's exemption | $545,338 (+4.04%) Land $241,090 Building $304,248 |
| 2023 | $7,591.00 (+2.03%) Homeowner's exemption | $524,164 Land $231,729 Building $292,435 |
| 2022 | $7,440.00 |
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 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 1 (2008) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2008 |
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 SONOMA serves 10,619 people · EPA ID CA4910012 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2024 |
| 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 | 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 662 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 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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