Sonoma County property record for 21565 Duncan Rd, Monte Rio, CA 95462
| Property Type | Rural Home |
|---|---|
| Details | 2 bd · 2 ba · 1,447 sqft · built 1961 |
| Lot Size | 11.3 acres (495,712 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,354 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 094-040-003-000 |
| Primary APN | 094-040-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 2 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,447 sqft Living Area |
| 1st Floor Area | 1,032 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 2000 |
| Construction Type | Wood |
| Lot Area | 495,712 sqft |
| Garage Type | Attached |
| Garage Area | 1,200 sqft |
| Parking Spaces | 5 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 094-040-003 |
|---|---|
| Street Address | 21565 DUNCAN RD |
| City | MONTE RIO |
| State | CA |
| Zip | 95462-9768 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | RRD160 |
| Legal Description | 1973 FORM 01 PT TO 04 MAP DEPT & RD OR 2669-977 |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | RUSSIAN RIVER-SONOMA COAST |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 153707 |
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 File |
|---|---|
| Mailing Address | 29 CHANCELLOR PL, BERKELEY, CA 94705-1609 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 13, 2002 |
| Deed Sale | Jun 13, 2002 |
| Prior Sale | Oct 3, 1994 · Amount on File |
| Deed Document Number | 200291388 |
| Prior Transfer Date | Jan 9, 1995 |
| Prior Transfer Doc | 0000004197 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Secondary School District | West Sonoma County Union High School District (09 - 12) |
| Elementary School District | Monte Rio Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $716,649 (+2%) Land $309,460 Building $407,189 | |
| 2025 | $8,354.00 (+5.69%) | $702,598 (+4.04%) Land $303,393 Building $399,205 |
| 2023 | $7,904.00 (+2.08%) | $675,317 Land $291,613 Building $383,704 |
| 2022 | $7,743.00 |
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 File median of 30 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 30 in force |
| Nearby Flood Claims | 13 (1995–2025) |
| Most Recent Claim | Feb 2025 · river or lake flooding |
| 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 | Moderate above 48% of the US · lower than 71% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Direct burnable vegetation |
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 | SWEETWATER SPRINGS CWD - MONTE RIO serves 3,531 people · EPA ID CA4910028 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
5G (outdoors only) and 4G LTE
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