Sonoma County property record for 18501 Riverside Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 3 ba · 2,427 sqft · built 1973 |
| Lot Size | 1.55 acres (67,953 sqft) |
| Owner | Company Name on Record |
| Last Sale | $470,000 (Jun 2002) |
| Tax Bill | $14,249 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 052-231-026-000 |
| Primary APN | 052-231-026-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 2,427 sqft Living Area |
| Gross Area | 2,911 sqft |
| 1st Floor Area | 2,427 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 2007 |
| Construction Type | Wood |
| Lot Area | 67,953 sqft |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 052-231-026 |
|---|---|
| Street Address | 18501 RIVERSIDE DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-4509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11UA |
| Legal Description | 89FM52-231-22CWPT21&23PTPT27LLA86-570&88067306&07 |
| Legal Subdivision | LANDS/RICHARD DRAKE |
| Legal Block | 2 |
| Legal Lot Number | 46,47 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150304 |
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 | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 268, SONOMA, CA 95476-0268 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 2002 · Amount on Record |
| Deed Sale | Jun 3, 2002 · Amount on Record |
| Deed Document Number | 200284782 |
| Last Transfer Date | Sep 27, 2006 |
| Transfer Doc | 0000122208 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 18501 RIVERSIDE DR, SONOMA, CA 95476-4509 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 18501 RIVERSIDE DR, SONOMA, CA 95476-4509 |
| Document Number | 0000093582 |
|---|---|
| Date | Oct 14, 2020 |
| Instrument | 2020093582 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
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 | $1,113,142 (+2%) Land $376,711 Building $736,431 | |
| 2025 | $14,249.00 (+4.66%) Homeowner's exemption | $1,091,317 (+4.04%) Land $369,325 Building $721,992 |
| 2023 | $13,614.00 (+0.24%) Homeowner's exemption | $1,048,942 Land $354,985 Building $693,957 |
| 2022 | $13,581.00 |
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 | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| 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.
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 | 0.02% 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 625 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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