Sonoma County property record for 21257 River Ln, Geyserville, CA 95441
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,200 sqft · built 1953 |
| Lot Size | 5.01 acres (218,671 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,503 (2025) |
| Deeds & Mortgages | Jan 2024 Transfer Jan 2024 Transfer |
| Flood Zone | Zone AE (high risk) |
| APN | 140-230-009-000 |
| Primary APN | 140-230-009-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,200 sqft Living Area |
| 1st Floor Area | 1,200 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 218,671 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 140-230-009 |
|---|---|
| Street Address | 21257 RIVER LN |
| City | GEYSERVILLE |
| State | CA |
| Zip | 95441-9324 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LIA20 |
| Legal Description | UNINCORP COUNTY CA |
| Legal Subdivision | TZABACO RHO |
| Legal Block | 1 |
| Legal Lot Number | 21 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 154100 |
21257 River Ln is owned by two individuals who acquired it in June 2011.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21257 RIVER RD, GEYSERVILLE, CA 95441-9716 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 12, 2024 | Intrafamily Transfer, Transfer |
| Jan 12, 2024 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 8, 2011 |
| Transfer Doc | 0000049267 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 12, 2024 |
| Property Address | 21257 RIVER LN, GEYSERVILLE, CA 95441 |
| Document Number | 0000001750 |
| Instrument Date | Jul 29, 2023 |
| Instrument | 2024001750 |
| Transaction Type | Transfer |
| Record Updated | Jan 29, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 2014 24TH AVE, OAKLAND, CA 94601-1118 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 12, 2024 |
| Property Address | 21257 RIVER LN, GEYSERVILLE, CA 95441 |
| Document Number | 0000001751 |
| Instrument Date | Jul 29, 2023 |
| Instrument | 2024001751 |
| Transaction Type | Transfer |
| Record Updated | Jan 29, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 2014 24TH AVE, OAKLAND, CA 94601-1118 |
The 2025 property tax bill for 21257 River Ln was $3,503.
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 | $310,624 (+2%) Land $206,831 Building $103,793 | |
| 2025 | $3,503.00 | $304,534 Land $202,776 Building $101,758 |
| 2023 | $807.00 (+1.51%) | $56,596 Land $37,375 Building $19,221 |
| 2022 | $795.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21257 River Ln in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 32 (1995–2019) |
| Claims Outside the SFHA | 1 of 32 |
| Most Recent Claim | Apr 2019 · other causes |
| 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.
Wildfire risk around 21257 River Ln is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 72 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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