Sonoma County property record for 18073 Comstock Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 604 sqft · built 1930 |
| Lot Size | 0.068 acres (2,960 sqft) |
| Owner | Trust Name on File |
| Last Sale | $70,000 (Jun 1990) |
| Tax Bill | $3,412 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-193-020-000 |
| Primary APN | 052-193-020-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 604 sqft Living Area |
| 1st Floor Area | 604 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 2,960 sqft (0.068 acres) |
| Garage Area | 240 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 052-193-020 |
|---|---|
| Street Address | 18073 COMSTOCK AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-4259 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | MAP 28 PG 15 BLK 2 PART OF LOT 16 |
| Legal Subdivision | MAP OF EATON PARK SUBDIVISION |
| Legal Block | 2 |
| Legal Lot Number | 16 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 150304 |
18073 Comstock Ave is held in a trust since March 2002.
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 | 18463 BARRETT AVE, SONOMA, CA 95476-4244 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 5, 1990 · Amount on File |
| Deed Sale | Jun 5, 1990 · Amount on File |
| Deed Document Number | 199056509 |
| Last Transfer Date | Mar 18, 2002 |
| Transfer Doc | 0000040729 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18073 Comstock Ave was $3,412.
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 | $131,530 (+2%) Land $93,957 Building $37,573 | |
| 2025 | $3,412.00 | $128,952 Land $92,115 Building $36,837 |
| 2023 | $2,841.00 (+0.46%) | $123,946 Land $88,539 Building $35,407 |
| 2022 | $2,828.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18073 Comstock Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 | 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.
Wildfire risk around 18073 Comstock Ave is low, with a 0.01% 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 | 0.01% 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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