Sonoma County property record for 21210 Feldmeyer Ave, Geyserville, CA 95441
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,462 sqft · built 1957 |
| Lot Size | 0.218 acres (9,504 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $310,000 (Jun 2003) |
| Tax Bill | $7,405 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 140-140-027-000 |
| Primary APN | 140-140-027-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,462 sqft Living Area |
| 1st Floor Area | 1,462 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 9,504 sqft (0.218 acres) |
| Garage Type | Detached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Cooling System | None |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 140-140-027 |
|---|---|
| Street Address | 21210 FELDMEYER AVE |
| City | GEYSERVILLE |
| State | CA |
| Zip | 95441-9338 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R26UA |
| Legal Description | UNINCORP COUNTY CA |
| Legal Subdivision | TZABACO RANCHO |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 154100 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 925, GEYSERVILLE, CA 95441-0925 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 13, 2003 · Amount on Record |
| Deed Sale | Jun 13, 2003 · Amount on Record |
| Deed Document Number | 2003121203 |
| Prior Transfer Date | May 8, 1998 |
| Prior Transfer Doc | 0000056785 |
| 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 | Geyserville Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $519,449 (+2%) Land $295,456 Building $223,993 | |
| 2025 | $7,405.00 (+7.04%) | $509,264 (+4.04%) Land $289,663 Building $219,601 |
| 2023 | $6,918.00 (+3.04%) | $489,491 Land $278,416 Building $211,075 |
| 2022 | $6,714.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 30 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 30 in force |
| Nearby Flood Claims | 7 (1983–2014) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Dec 2014 |
| 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 | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CALIFORNIA-AMERICAN GEYSERVILLE (PUC) private · serves 1,050 people · EPA ID CA4910024 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Copper | 1.45 mg/L (2015–2017) action level 1.3 mg/L |
| 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 109 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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