Sonoma County property record for 9940 Martin Rd, Windsor, CA 95492
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,472 sqft · built 1978 |
| Lot Size | 0.55 acres (23,958 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,710 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-021-021-000 |
| Primary APN | 066-021-021-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,472 sqft Living Area |
| Gross Area | 1,978 sqft |
| 1st Floor Area | 1,472 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 23,958 sqft (0.55 acres) |
| Garage Type | Attached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 066-021-021 |
|---|---|
| Street Address | 9940 MARTIN RD |
| City | WINDSOR |
| State | CA |
| Zip | 95492-9430 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | CITYWI |
| Legal Description | 90 FM 66-020-75 # CHG PER MD |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | HEALDSBURG |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 153810 |
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 | PO BOX 381, WINDSOR, CA 95492-0381 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 21, 2003 |
| Transfer Doc | 0000169036 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Windsor Town |
| Unified School District | Windsor Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $272,294 (+2%) Land $68,967 Building $203,327 | |
| 2025 | $3,710.00 (+4.07%) | $266,956 (+4.04%) Land $67,615 Building $199,341 |
| 2023 | $3,565.00 (+1.86%) | $256,592 Land $64,991 Building $191,601 |
| 2022 | $3,500.00 |
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 |
| Nearby Flood Policies | 2 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 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | TOWN OF WINDSOR serves 25,561 people · EPA ID CA4910017 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2023–2025) 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 138 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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