Sonoma County property record for 18962 Upper Ter, Guerneville, CA 95446
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,160 sqft · built 1978 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $1,808 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 094-210-010-000 |
| Primary APN | 094-210-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,160 sqft Living Area |
| Gross Area | 1,680 sqft |
| 1st Floor Area | 1,160 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Custom Design |
| Lot Area | 12,197 sqft (0.28 acres) |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18962 UPPER TER |
|---|---|
| City | GUERNEVILLE |
| State | CA |
| Zip | 95446 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 2002 FM 094-210-007& 006 2001RMDMGR |
| Legal Subdivision | RUSSIAN RIVER HEIGHTS C |
| Legal Block | 3 |
| Legal Lot Number | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | RUSSIAN RIVER-SONOMA COAST |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 153707 |
Source: Sonoma County records, as of April 13, 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 553, MONTE RIO, CA 95462-0553 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 29, 2001 |
| Transfer Doc | 0000041133 |
| Record Updated | Jun 8, 2026 |
Source: Sonoma County assessment roll, as of April 13, 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 |
|---|---|---|
| 2025 | $1,808.00 (+5.06%) Homeowner's exemption | $111,094 (+4.04%) Land $15,649 Building $95,445 |
| 2023 | $1,721.00 (+2.02%) Homeowner's exemption | $106,783 Land $15,043 Building $91,740 |
| 2022 | $1,687.00 |
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 Record median of 58 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 58 in force |
| Nearby Flood Claims | 32 (1995–2019) |
| Claims Outside the SFHA | 1 of 32 |
| Most Recent Claim | Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| 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 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 114 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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