Sonoma County property record for 21 Alter St, Cloverdale, CA 95425
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,247 sqft · built 1951 |
| Lot Size | 0.143 acres (6,240 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $95,000 (Feb 2012) |
| Tax Bill | $1,739 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 001-091-007-000 |
| Primary APN | 001-091-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,247 sqft Living Area |
| Gross Area | 1,511 sqft |
| 1st Floor Area | 1,247 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,240 sqft (0.143 acres) |
| Garage Type | Attached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 001-091-007 |
|---|---|
| Street Address | 21 ALTER ST |
| City | CLOVERDALE |
| State | CA |
| Zip | 95425-3909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYCL |
| Legal Description | TARMAN PARK BLK 1 LOT 6 |
| Legal Subdivision | TARMAN PARK |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | CLOVERDALE-GEYSERVILLE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 154201 |
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 | 21 ALTER ST, CLOVERDALE, CA 95425-3909 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 28, 2012 · Amount on Record |
| Deed Sale | Feb 28, 2012 · Amount on Record |
| Prior Sale | Aug 17, 2011 · Amount on Record |
| Deed Document Number | 201218773 |
| Prior Transfer Date | Aug 9, 2011 |
| Prior Transfer Doc | 0000069878 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 21 ALTER ST, CLOVERDALE, CA 95425-3909 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | WESTMINSTER TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000023941 |
|---|---|
| Date | Mar 30, 2020 |
| Instrument | 2020023941 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2050 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Cloverdale City |
| Unified School District | Cloverdale Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $121,695 (+2%) Land $48,676 Building $73,019 | |
| 2025 | $1,739.00 (+1.05%) | $119,310 (+4.04%) Land $47,722 Building $71,588 |
| 2023 | $1,721.00 (+1.65%) | $114,679 Land $45,870 Building $68,809 |
| 2022 | $1,693.00 |
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 A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within 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 | CITY OF CLOVERDALE private · serves 8,710 people · EPA ID CA4910002 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 422 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 |
May also be available: AT&T.
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