Sonoma County property record for 18460 4th Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,071 sqft · built 1950 |
| Lot Size | 0.198 acres (8,625 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $185,000 (Aug 1991) |
| Tax Bill | $5,570 (2025) |
| Deeds & Mortgages | Apr 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-471-015-000 |
| Primary APN | 056-471-015-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,071 sqft Living Area |
| 1st Floor Area | 1,071 sqft |
| Basement Area | 600 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Custom Design |
| Exterior Material | Block |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 8,625 sqft (0.198 acres) |
| Garage Area | 360 sqft |
| Cooling System | HVAC |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 056-471-015 |
|---|---|
| Street Address | 18460 4TH AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3906 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | BOYES SPRINGS PARK SUB B LOT 5 PTN LOT 4 |
| Legal Subdivision | BOYES SPRINGS PARK SUB |
| Legal Block | 1 |
| Legal Lot Number | 5,4 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 150306 |
18460 4th Ave is owned and occupied by two individuals who acquired it in November 2006.
Source: Sonoma County records, as of September 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18460 4TH AVE, SONOMA, CA 95476-3906 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Aug 2, 1991 · Amount on File |
| Deed Sale | Aug 2, 1991 · Amount on File |
| Deed Document Number | 199175998 |
| Last Transfer Date | Nov 10, 2006 |
| Transfer Doc | 0000141884 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 17, 2026 |
| Property Address | 18460 4TH AVE, SONOMA, CA 95476-3906 |
| Document Number | 0000018673 |
| Instrument Date | Apr 16, 2026 |
| Instrument | 202618673 |
| Transaction Type | Transfer |
| Record Updated | Aug 27, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 18460 4TH AVE, SONOMA, CA 95476-3906 |
The 2025 property tax bill for 18460 4th Ave was $5,570.
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 | $334,168 (+2%) Land $135,468 Building $198,700 | |
| 2025 | $5,570.00 Homeowner's exemption | $327,616 Land $132,812 Building $194,804 |
| 2023 | $5,258.00 (+1.12%) Homeowner's exemption | $314,896 Land $127,655 Building $187,241 |
| 2022 | $5,200.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18460 4th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 18460 4th Ave is low, with a 0.02% 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 | 0.02% annual chance |
| Exposure | Indirect within 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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