Sonoma County property record for 20 Hemlock Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 2 ba · 1,525 sqft · built 1985 |
| Lot Size | 0.427 acres (18,600 sqft) |
| Owner | Company Name on Record |
| Last Sale | $630,000 (May 2012) |
| Tax Bill | $12,190 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-192-011-000 |
| Primary APN | 056-192-011-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 1,525 sqft Living Area |
| 1st Floor Area | 1,525 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 18,600 sqft (0.427 acres) |
| Garage Type | Carport |
| Garage Area | 414 sqft |
| Carport | Carport |
| Carport Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 056-192-011 |
|---|---|
| Street Address | 20 HEMLOCK AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-3471 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11UA |
| Legal Description | 82 FM 56-192-09 CW PT 10 OR 81057980 |
| Legal Subdivision | AGUA CALIENTE PARK #3 |
| Legal Block | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 150306 |
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 | 253 CASTENADA AVE, SAN FRANCISCO, CA 94116-1446 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 22, 2012 · Amount on Record |
| Deed Sale | May 22, 2012 · Amount on Record |
| Deed Document Number | 201248414 |
| Last Transfer Date | Feb 25, 2015 |
| Transfer Doc | 0000095696 |
| 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 | $798,161 (+2%) Land $319,007 Building $479,154 | |
| 2025 | $12,190.00 (+3.71%) | $782,511 (+4.04%) Land $312,752 Building $469,759 |
| 2023 | $11,754.00 (+5.8%) | $752,127 Land $300,608 Building $451,519 |
| 2022 | $11,110.00 |
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 | 2 in force |
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 | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 444 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, Fixed Wireless in parts of the area | 100 / 20 |
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