Sonoma County property record for 18310 Comstock Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 692 sqft · built 1930 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,423 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-233-003-000 |
| Primary APN | 052-233-003-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 692 sqft Living Area |
| 1st Floor Area | 692 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 252 sqft |
| Cooling System | None |
|---|
| Street Address | 18310 COMSTOCK AVE |
|---|---|
| City | SONOMA |
| State | CA |
| Zip | 95476-4217 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | MAP 28 PG 15 BLK 14 PART OF LOT 3 |
| Legal Subdivision | EATON PARK |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 150304 |
Source: Sonoma County records · APN 052-233-003-000
Assessment roll updated April 13, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 18310 COMSTOCK AVE, SONOMA, CA 95476-4217 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,423.00 (+121.59%) | $26,919 (+4.03%) Land $14,812 Building $12,107 |
| 2023 | $1,996.00 (+7.37%) | $25,876 Land $14,238 Building $11,638 |
| 2022 | $1,859.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971503042, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 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 |
| 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 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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 625 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | VALLEY OF THE MOON WATER DISTRICT serves 23,140 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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