Sonoma County property record for 18555 Riverside Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,368 sqft · built 1920 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $600,000 (Nov 2023) |
| Tax Bill | $8,521 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer Nov 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-281-023-000 |
| Primary APN | 052-281-023-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,368 sqft Living Area |
| 1st Floor Area | 1,368 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Carport |
| Garage Area | 400 sqft |
| Carport | Carport |
| Carport Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 052-281-023 |
|---|---|
| Street Address | 18555 RIVERSIDE DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-4509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | MAP D6 168 |
| Legal Subdivision | RIVERSIDE ADDITION TO SONOMA VISTA TRACT |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| 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 | Individual Name on Record |
|---|---|
| Mailing Address | 222 4TH ST, 7, PETALUMA, CA 94952-4263 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Date | Document |
|---|---|
| Nov 6, 2023 | Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Nov 6, 2023 | Grant Deed, Transfer · Conventional Mortgage A&D MORTGAGE LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 6, 2023 · Amount on Record |
| Deed Sale | Nov 6, 2023 · Amount on Record |
| Prior Sale | Feb 21, 2003 · Amount on Record |
| Deed Document Number | 202355269 |
| Prior Transfer Date | Sep 9, 1998 |
| Prior Transfer Doc | 0000106317 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 6, 2023 |
| Property Address | 18555 RIVERSIDE DR, SONOMA, CA 95476-4509 |
| Document Number | 0000055268 |
| Map Reference | MB 30 PG 15 |
| Instrument Date | Oct 31, 2023 |
| Instrument | 2023055268 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 222 4TH ST APT 7, 7, PETALUMA, CA 94952-4263 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 6, 2023 |
| Property Address | 18555 RIVERSIDE DR, SONOMA, CA 95476-4509 |
| Document Number | 0000055269 |
| Map Reference | MB 30 PG 15 |
| Instrument Date | Oct 18, 2023 |
| Instrument | 2023055269 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $660.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 18555 RIVERSIDE DR, SONOMA, CA 95476-4509 |
| Document Number | 0000055270 |
|---|---|
| Date | Nov 6, 2023 |
| Instrument | 2023055270 |
| Name | A&D MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2053 |
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 | $624,240 (+49.92%) Land $301,716 Building $322,524 | |
| 2025 | $8,521.00 (+35.49%) Homeowner's exemption | $416,374 (+4.04%) Land $115,302 Building $301,072 |
| 2023 | $6,289.00 (-2.86%) | $400,208 Land $110,826 Building $289,382 |
| 2022 | $6,474.00 |
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 |
|---|---|
| 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.
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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