Sonoma County property record for 18699 Riverside Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,597 sqft · built 1965 |
| Lot Size | 0.153 acres (6,650 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $173,327 (Nov 2024) |
| Tax Bill | $3,359 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-281-038-000 |
| Primary APN | 052-281-038-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,597 sqft Living Area |
| 1st Floor Area | 1,597 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,650 sqft (0.153 acres) |
| Garage Area | 252 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 052-281-038 |
|---|---|
| Street Address | 18699 RIVERSIDE DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-4510 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | 78 OR GAP OR 3303-439 |
| Legal Subdivision | RIVERSIDE ADD TO THE SONOMA VISTA TRACT |
| Legal Block | 2 |
| Legal Lot Number | 10,11 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150304 |
18699 Riverside Dr is owned and occupied by two individuals who bought it in November 2024.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18699 RIVERSIDE DR, SONOMA, CA 95476-4510 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 8, 2024 · Amount on File |
| Deed Sale | Nov 8, 2024 · Amount on File |
| Deed Document Number | 202455495 |
| Prior Transfer Date | Nov 4, 2024 |
| Prior Transfer Doc | 0000055495 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18699 Riverside Dr was $3,359.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $142,218 (+2%) Land $34,143 Building $108,075 | |
| 2025 | $3,359.00 Homeowner's exemption | $139,430 Land $33,474 Building $105,956 |
| 2023 | $2,919.00 (+2.03%) Homeowner's exemption | $134,018 Land $32,175 Building $101,843 |
| 2022 | $2,861.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18699 Riverside Dr in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 2 (2005–2017) |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 18699 Riverside Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2022 |
| Lead | Under 1 ppb (2024–2026) 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.
Source: FCC Broadband Data Collection, based on 718 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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