Sonoma County property record for 23234 Maffei Rd, Sonoma, CA 95476
| Property Type | Vineyard |
|---|---|
| Details | 2 bd · 1 ba · 836 sqft · built 1945 |
| Lot Size | 8.42 acres (367,210 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $167,500 (Feb 1988) |
| Tax Bill | $5,850 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-461-008-000 |
| Primary APN | 128-461-008-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 836 sqft Gross Area |
| 1st Floor Area | 836 sqft |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 367,210 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 128-461-008 |
|---|---|
| Street Address | 23234 MAFFEI RD |
| City | SONOMA |
| State | CA |
| Zip | 95476-9774 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Vineyard |
| Local Zoning Code | DA20 |
| Legal Description | UNINCORP COUNTY CA |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 150100 |
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 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 670, VINEBURG, CA 95487-0670 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 9, 1988 · Amount on Record |
| Deed Sale | Feb 9, 1988 · Amount on Record |
| Deed Document Number | 19889671 |
| Last Transfer Date | May 21, 2025 |
| Transfer Doc | 0000027146 |
| 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 | $372,019 (-17.19%) Land $247,938 Building $124,081 | |
| 2025 | $5,850.00 (+3.72%) Homeowner's exemption | $449,239 (+3.72%) Land $243,077 Building $206,162 |
| 2023 | $5,640.00 (+2.34%) Homeowner's exemption | $433,135 Land $233,639 Building $199,496 |
| 2022 | $5,511.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 32 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 27 (1978–2025) |
| Claims Outside the SFHA | 7 of 27 |
| Most Recent Claim | Feb 2025 · rainfall accumulation |
| Claims by Event |
|
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 | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 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: FCC Broadband Data Collection, based on 3 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Xfinity.
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