Sonoma County property record for 18357 Railroad Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,978 sqft · built 1920 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $445,000 (Jun 2002) |
| Tax Bill | $9,225 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-223-022-000 |
| Primary APN | 052-223-022-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,978 sqft Living Area |
| Gross Area | 2,462 sqft |
| 1st Floor Area | 1,494 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1970 |
| Construction Type | Wood |
| Lot Area | 10,000 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 052-223-022 |
|---|---|
| Street Address | 18357 RAILROAD AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-4273 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | 1971 FORM 52-223-16 C/W 52-223-17 PER MAP DEPT |
| Legal Subdivision | EATON PARK SUB |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2018 |
| 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 | 18357 RAILROAD AVE, SONOMA, CA 95476-4273 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 27, 2002 · Amount on Record |
| Deed Sale | Jun 27, 2002 · Amount on Record |
| Deed Document Number | 200298455 |
| Last Transfer Date | Dec 28, 2012 |
| Transfer Doc | 0000135102 |
| Record Updated | Oct 29, 2026 |
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 | $670,544 (+2%) Land $226,022 Building $444,522 | |
| 2025 | $9,225.00 (+2.51%) Homeowner's exemption | $657,397 (+4.04%) Land $221,591 Building $435,806 |
| 2023 | $8,999.00 (+3.09%) Homeowner's exemption | $631,872 Land $212,988 Building $418,884 |
| 2022 | $8,729.00 |
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 |
|---|---|
| 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 | 0.01% 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 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures