Sonoma County property record for 18400 2nd Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,060 sqft · built 1956 |
| Lot Size | 0.287 acres (12,500 sqft) |
| Owner | Trust Name on File |
| Last Sale | $185,000 (Jun 1992) |
| Tax Bill | $5,401 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-462-025-000 |
| Primary APN | 056-462-025-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 2,060 sqft Living Area |
| 1st Floor Area | 2,060 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 12,500 sqft (0.287 acres) |
| Garage Area | 520 sqft |
| Porch | Porch |
| Cooling System | HVAC |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 056-462-025 |
|---|---|
| Street Address | 18400 2ND AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3904 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | 1969 FORM 56-462-16 C/W 24 MAP DEPT |
| Legal Subdivision | SUBDIVISION 8 OF BOYERS SPRINGS PARK |
| Legal Block | 1 |
| Legal Lot Number | 1,2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 150306 |
18400 2nd Ave is owner-occupied and held in a trust since March 2004.
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 18400 2ND AVE, SONOMA, CA 95476-3904 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 1992 · Amount on File |
| Deed Sale | Jun 3, 1992 · Amount on File |
| Deed Document Number | 199266027 |
| Last Transfer Date | Mar 19, 2004 |
| Transfer Doc | 0000045062 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18400 2nd Ave was $5,401 with a homeowner's exemption.
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 | $327,612 (+2%) Land $150,523 Building $177,089 | |
| 2025 | $5,401.00 Homeowner's exemption | $321,189 Land $147,572 Building $173,617 |
| 2023 | $5,145.00 (+5.28%) Homeowner's exemption | $308,719 Land $141,843 Building $166,876 |
| 2022 | $4,887.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18400 2nd 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 18400 2nd 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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