Sonoma County property record for 18277 Robin Ave, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,550 sqft · built 1978 |
| Lot Size | 0.195 acres (8,500 sqft) |
| Owner | Trust Name on File |
| Last Sale | $540,000 (Nov 2011) |
| Tax Bill | $9,313 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-573-008-000 |
| Primary APN | 052-573-008-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,550 sqft Living Area |
| Gross Area | 2,010 sqft |
| 1st Floor Area | 1,550 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 8,500 sqft (0.195 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 052-573-008 |
|---|---|
| Street Address | 18277 ROBIN AVE |
| City | SONOMA |
| State | CA |
| Zip | 95476-4043 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | TRACT 480 LOT 5 |
| Legal Subdivision | FOOTHILL ESTATES |
| Legal Tract | 480 |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 150303 |
18277 Robin Ave is owner-occupied and held in a trust since October 2013.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 18277 ROBIN AVE, SONOMA, CA 95476-4043 |
| Occupancy | Owner Occupied |
| 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 | Nov 4, 2011 · Amount on File |
| Deed Sale | Nov 4, 2011 · Amount on File |
| Prior Sale | Jun 6, 2002 · Amount on File |
| Deed Document Number | 201197927 |
| Last Transfer Date | Oct 10, 2013 |
| Transfer Doc | 0000101316 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18277 Robin Ave was $9,313 with a homeowner's exemption.
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 | $691,821 (+2%) Land $384,347 Building $307,474 | |
| 2025 | $9,313.00 Homeowner's exemption | $678,257 Land $376,811 Building $301,446 |
| 2023 | $8,836.00 (+2.43%) Homeowner's exemption | $651,922 Land $362,180 Building $289,742 |
| 2022 | $8,626.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18277 Robin Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2025.
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 | 6 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2025 · other causes |
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 18277 Robin Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 141 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 DSL | 100 / 20 |
May also be available: T-Mobile.
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