Sonoma County property record for 18045 River Rd, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 975 sqft · built 1938 |
| Lot Size | 0.111 acres (4,850 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $79,000 (Jun 2021) |
| Tax Bill | $5,719 (2025) |
| Deeds & Mortgages | Jun 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-391-007-000 |
| Primary APN | 056-391-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 975 sqft Living Area |
| 1st Floor Area | 975 sqft |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1939 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 4,850 sqft (0.111 acres) |
| Cooling System | None |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 056-391-007 |
|---|---|
| Street Address | 18045 RIVER RD |
| City | SONOMA |
| State | CA |
| Zip | 95476-3690 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | BOYES SPRINGS HOTEL GROUNDS LOT 143 |
| Legal Subdivision | BOYES SPRINGS |
| Legal Block | 4 |
| Legal Lot Number | 143 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 150305 |
Source: Sonoma County records, as of May 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 18045 RIVER RD, SONOMA, CA 95476-3690 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 22, 2021 · Amount on Record |
| Deed Sale | Jun 22, 2021 · Amount on Record |
| Prior Sale | Sep 30, 2008 · Amount on Record |
| Deed Document Number | 202172725 |
| Prior Transfer Date | Dec 31, 2001 |
| Prior Transfer Doc | 0000008737 |
| Record Updated | Jun 8, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 22, 2021 |
| Property Address | 18045 RIVER RD, SONOMA, CA 95476-3690 |
| Document Number | 0000072725 |
| Map Reference | MB 33 PG 19&20 |
| Instrument Date | Jun 17, 2021 |
| Instrument | 2021072725 |
| Transaction Type | Transfer |
| Record Updated | Jul 9, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $86.90 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 18045 RIVER RD, SONOMA, CA 95476-3690 |
| Document Number | 0000072726 |
|---|---|
| Date | Jun 22, 2021 |
| Instrument | 2021072726 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Jul 1, 2041 |
Source: Sonoma County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,719.00 (+5.38%) Homeowner's exemption | $319,347 (+4.04%) Land $154,522 Building $164,825 |
| 2023 | $5,427.00 (+7.89%) Homeowner's exemption | $306,949 Land $148,523 Building $158,426 |
| 2022 | $5,030.00 |
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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 1 in force |
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 | 0.01% 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 711 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Verizon.
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