Sonoma County property record for 870 Austin Ave, Sonoma, CA 95476 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,687 sqft · built 1900 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on File |
| Tax Bill | $3,959 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 018-413-011-000 |
| Primary APN | 018-413-011-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,687 sqft Living Area |
| 1st Floor Area | 1,687 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Detached |
| Garage Area | 361 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 018-413-011 |
|---|---|
| Street Address | 870 AUSTIN AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-7122 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 150204 |
Source: Sonoma County records · APN 018-413-011-000
Assessment roll updated April 13, 2026 · Last verified April 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 File |
|---|---|
| Mailing Address | 870 AUSTIN AVE, SONOMA, CA 95476-7122 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 07, 2011 |
| Transfer Doc | 0000024072 |
| Record Updated | Jun 08, 2026 |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| 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 | $3,959.00 (+3.34%) Homeowner's exemption | $237,755 (+4.04%) Land $66,601 Building $171,154 |
| 2023 | $3,831.00 (+2.41%) Homeowner's exemption | $228,525 Land $64,016 Building $164,509 |
| 2022 | $3,741.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971502041, 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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 15 individual NFIP policies nearby |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 8 (1978–2025) |
| Claims Outside the SFHA | 6 of 8 |
| Most Recent Claim | Feb 2025, rainfall accumulation |
| Claims By Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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 · Published October 2026 · based on 546 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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