Sonoma County property record for 20273 River Blvd, Monte Rio, CA 95462
| Property Type | Parking Lot |
|---|---|
| Lot Size | 0.095 acres (4,131 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,260,000 (Sep 2006) |
| Tax Bill | $1,303 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 095-233-008-000 |
| Primary APN | 095-233-008-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 4,131 sqft (0.095 acres) |
|---|
| Cooling System | None |
|---|
| Old Parcel Number | 095-233-008 |
|---|---|
| Street Address | 20273 RIVER BLVD |
| City | MONTE RIO |
| State | CA |
| Zip | 95462-9709 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Parking Lot |
| Local Zoning Code | KF1F |
| Legal Description | E MONTE RIO ADD #1 BLK 3 LOT 13 |
| Legal Subdivision | MONTE RIO ADD |
| Legal Block | 3 |
| Legal Lot Number | 13 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | RUSSIAN RIVER-SONOMA COAST |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 153708 |
20273 River Blvd, a commercial property, is held in a trust since September 2006.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 16052, SAN FRANCISCO, CA 94116-0052 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 8, 2006 · Amount on File |
| Deed Sale | Sep 8, 2006 · Amount on File |
| Deed Document Number | 2006111404 |
| Prior Transfer Date | Aug 14, 2002 |
| Prior Transfer Doc | 0000123786 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20273 River Blvd was $1,303.
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 | $95,652 (+2%) Land $95,652 | |
| 2025 | $1,303.00 | $93,777 Land $93,777 |
| 2023 | $1,273.00 (+1.84%) | $90,137 Land $90,137 |
| 2022 | $1,250.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20273 River Blvd in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
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 File 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.
Wildfire risk around 20273 River Blvd is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% 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 128 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
5G and 4G LTE (outdoors only)
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