Sonoma County property record for 21930 Duncan Rd, Monte Rio, CA 95462
| Property Type | Home Plus Accessory Dwelling Unit |
|---|---|
| Details | 2 bd · 2 ba · 750 sqft · built 1959 |
| Lot Size | 0.254 acres (11,100 sqft) |
| Owner | Individual Name on File |
| Last Sale | $305,000 (Apr 2004) |
| Tax Bill | $6,063 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 094-026-013-000 |
| Primary APN | 094-026-013-000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 750 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Construction Type | Wood |
| Lot Area | 11,100 sqft (0.254 acres) |
| Street Address | 21930 DUNCAN RD |
|---|---|
| City | MONTE RIO |
| State | CA |
| Zip | 95462-9769 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home Plus Accessory Dwelling Unit |
| Legal Description | 2020 VOLUNTARY CMB 19-MISC08 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | RUSSIAN RIVER-SONOMA COAST |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 153707 |
Source: Sonoma County records, as of October 6, 2025
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 | Individual Name on File |
|---|---|
| Mailing Address | 336 RAMONA RD, DANVILLE, CA 94526-2829 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 2, 2004 · Amount on File |
| Deed Sale | Apr 2, 2004 · Amount on File |
| Prior Sale | Aug 10, 2001 · Amount on File |
| Deed Document Number | 20040046106 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 21930 DUNCAN RD, MONTE RIO, CA 95462-9769 |
| Transaction Type | Mortgage |
| Record Updated | Aug 19, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 336 RAMONA RD, DANVILLE, CA 94526-2829 |
| Document Number | 0000124012 |
|---|---|
| Date | Dec 24, 2020 |
| Instrument | 2020124012 |
| Name | OPTIMUM FIRST INC |
|---|---|
| Type | Mortgage Company |
| Address | FOUNTAIN VALLEY, CA 92708 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Jan 1, 2041 |
Source: Sonoma County assessment roll, as of July 1, 2025
| 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 |
|---|---|---|
| 2025 | $6,063.00 (+6.26%) | $478,240 (+4.04%) Land $184,813 Building $293,427 |
| 2023 | $5,706.00 (+2.02%) | $459,672 Land $177,638 Building $282,034 |
| 2022 | $5,593.00 |
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 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 | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 49 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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