Sonoma County property record for 816 3rd St W, Sonoma, CA 95476
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 4 ba · 2,358 sqft · built 1999 |
| Lot Size | 0.099 acres (4,306 sqft) |
| Owner | Trust Name on File |
| Last Sale | $700,000 (Aug 2004) |
| Tax Bill | $13,420 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-800-005-000 |
| Primary APN | 018-800-005-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 5 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,358 sqft Living Area |
| Gross Area | 2,799 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,306 sqft (0.099 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 018-800-005 |
|---|---|
| Street Address | 816 3RD ST W |
| City | SONOMA |
| State | CA |
| Zip | 95476-6823 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 2000 FM PT 018-401-63 830 THIRD STREET WEST LOT 5 |
| Legal Subdivision | 830 THIRD WEST |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 150204 |
816 3rd St W, a duplex, is held in a trust since September 2005.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 6125 TYLER CT, WINDSOR, CA 95492-8652 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 12, 2004 · Amount on File |
| Deed Sale | Aug 12, 2004 · Amount on File |
| Deed Document Number | 2004124112 |
| Last Transfer Date | Sep 12, 2005 |
| Transfer Doc | 0000141828 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 816 3rd St W was $13,420.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $995,236 (+2%) Land $355,438 Building $639,798 | |
| 2025 | $13,420.00 | $975,722 Land $348,469 Building $627,253 |
| 2023 | $12,787.00 (+0.51%) | $937,836 Land $334,939 Building $602,897 |
| 2022 | $12,722.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 816 3rd St W 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 |
| Flood Insurance Cost | Premium on File median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 1 (2008) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2008 |
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 816 3rd St W 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 | CITY OF SONOMA serves 10,619 people · EPA ID CA4910012 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 662 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 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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