Sonoma County property record for 18668 Prospect Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,689 sqft · built 1972 |
| Lot Size | 15 acres (653,400 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $2,150,000 (May 2013) |
| Tax Bill | $34,181 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 064-040-002-000 |
| Primary APN | 064-040-002-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 2,689 sqft Living Area |
| 1st Floor Area | 2,689 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 653,400 sqft |
| Garage Area | 506 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 064-040-002 |
|---|---|
| Street Address | 18668 PROSPECT DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-6021 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RRB7FRZN |
| Legal Description | UNINCORP COUNTY CA |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 150303 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 464 30TH ST, SAN FRANCISCO, CA 94131-2307 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 8, 2013 · Amount on Record |
| Deed Sale | May 8, 2013 · Amount on Record |
| Deed Document Number | 201347420 |
| Prior Transfer Date | Sep 16, 1998 |
| Prior Transfer Doc | 0000121702 |
| 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 | $3,055,389 (+2%) Land $2,033,837 Building $1,021,552 | |
| 2025 | $34,181.00 (+3.8%) | $2,995,480 (+4.04%) Land $1,993,958 Building $1,001,522 |
| 2023 | $32,931.00 (+1.2%) | $2,879,164 Land $1,916,531 Building $962,633 |
| 2022 | $32,541.00 |
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 | 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 38 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| AT&T DSL | 25 / 5 |
4G LTE (outdoors only), no 5G reported
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