Sonoma County property record for 20890 River Blvd, Monte Rio, CA 95462
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1.5 ba · 1,914 sqft · built 1910 |
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $65,000 (Apr 2000) |
| Tax Bill | $5,802 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 095-170-034-000 |
| Primary APN | 095-170-034-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,914 sqft Living Area |
| 1st Floor Area | 1,914 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Custom Design |
| Construction Type | Frame |
| Lot Area | 5,663 sqft (0.13 acres) |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Old Parcel Number | 095-170-034 |
|---|---|
| Street Address | 20890 RIVER BLVD |
| City | MONTE RIO |
| State | CA |
| Zip | 95462-9758 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 2005 FM 095-170-009 & 010 PCLS CMB PER VM 03-0014 |
| Legal Subdivision | SUBDIVISION OF EAST MONTE RIO |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | RUSSIAN RIVER-SONOMA COAST |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 153708 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 20890 RIVER BLVD, MONTE RIO, CA 95462-9758 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 25, 2000 · Amount on Record |
| Deed Sale | Apr 25, 2000 · Amount on Record |
| Prior Sale | Aug 5, 1994 · Amount on Record |
| Deed Document Number | 200040030 |
| Prior Transfer Date | Dec 22, 1988 |
| Prior Transfer Doc | 0000103992 |
| 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 | $481,180 (+2%) Land $53,355 Building $427,825 | |
| 2025 | $5,802.00 (+4.22%) Homeowner's exemption | $471,746 (+4.04%) Land $52,309 Building $419,437 |
| 2023 | $5,567.00 (+2.05%) Homeowner's exemption | $453,429 Land $50,279 Building $403,150 |
| 2022 | $5,455.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 64 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 64 in force |
| Nearby Flood Claims | 47 (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 63% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 195 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
5G and 4G LTE (outdoors only)
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