Sonoma County property record for 270 Macarthur Ln, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,695 sqft · built 2003 |
| Lot Size | 0.134 acres (5,854 sqft) |
| Owner | Company Name on Record |
| Last Sale | $674,500 (Aug 2003) |
| Tax Bill | $12,246 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-640-001-000 |
| Primary APN | 128-640-001-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,695 sqft Living Area |
| Gross Area | 2,184 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | L-Shape |
| Lot Area | 5,854 sqft (0.134 acres) |
| Garage Type | Attached |
| Garage Area | 489 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 128-640-001 |
|---|---|
| Street Address | 270 MACARTHUR LN |
| City | SONOMA |
| State | CA |
| Zip | 95476-7671 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | 2003 FM PT 128-091-007 2002RS635/33 |
| Legal Subdivision | MACARTHUR LANE SUBDIVISION |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150203 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 270 MACARTHUR LN, SONOMA, CA 95476-7671 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 13, 2003 · Amount on Record |
| Deed Sale | Aug 13, 2003 · Amount on Record |
| Deed Document Number | 2003168059 |
| Last Transfer Date | Sep 14, 2010 |
| Transfer Doc | 0000082606 |
| 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 | $977,583 (+2%) Land $435,061 Building $542,522 | |
| 2025 | $12,246.00 (+4.53%) Homeowner's exemption | $958,416 (+4.04%) Land $426,531 Building $531,885 |
| 2023 | $11,715.00 (+2.3%) Homeowner's exemption | $921,201 Land $409,969 Building $511,232 |
| 2022 | $11,452.00 |
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 |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 1 in force |
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 540 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 DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures