Sonoma County property record for 243 W Macarthur St, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 813 sqft · built 1941 |
| Lot Size | 0.387 acres (16,856 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,572 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 128-071-044-000 |
| Primary APN | 128-071-044-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 813 sqft Living Area |
| 1st Floor Area | 813 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1944 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 16,856 sqft (0.387 acres) |
| Garage Area | 312 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 128-071-044 |
|---|---|
| Street Address | 243 W MACARTHUR ST |
| City | SONOMA |
| State | CA |
| Zip | 95476-7425 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR3 |
| Legal Description | 1972 FORM 40 C/W 41 PER MAP DEPT FILE |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 150203 |
243 W Macarthur St is owned and occupied by an individual who acquired it in May 2010.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 243 W MACARTHUR ST, SONOMA, CA 95476-7425 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Transfer Date | May 7, 2010 |
| Transfer Doc | 0000046278 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 243 W Macarthur St was $8,572.
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 | $651,080 (+2%) Land $384,730 Building $266,350 | |
| 2025 | $8,572.00 | $638,315 Land $377,187 Building $261,128 |
| 2023 | $8,193.00 (+1.65%) | $613,531 Land $362,542 Building $250,989 |
| 2022 | $8,060.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 243 W Macarthur St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 4 (1978–2005) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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 243 W Macarthur St is low, with a 0.01% annual chance of wildfire.
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 546 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures