Sonoma County property record for 20556 Birch Rd, Sonoma, CA 95476
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 2 bd · 1 ba · 1,646 sqft · built 1956 |
| Lot Size | 0.608 acres (26,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,200,000 (Jul 2019) |
| Tax Bill | $20,352 (2025) |
| Deeds & Mortgages | Jul 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-311-048-000 |
| Primary APN | 128-311-048-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,646 sqft Living Area |
| Gross Area | 2,046 sqft |
| 1st Floor Area | 1,646 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 26,500 sqft (0.608 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 128-311-048 |
|---|---|
| Street Address | 20556 BIRCH RD |
| City | SONOMA |
| State | CA |
| Zip | 95476-7502 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | RR3 |
| Legal Description | LOT 546 |
| Legal Subdivision | EX PUEBLO |
| Legal Block | 1 |
| Legal Lot Number | 546 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 150203 |
20556 Birch Rd, a residential property, is owned by two individuals who bought it in July 2019.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 73, SONOMA, CA 95476-0073 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 23, 2019 · Amount on File |
| Deed Sale | Jul 23, 2019 · Amount on File |
| Prior Sale | Nov 7, 2003 · Amount on File |
| Deed Document Number | 201950396 |
| Prior Transfer Date | Sep 6, 2012 |
| Prior Transfer Doc | 0000099477 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 23, 2019 |
| Property Address | 20556 BIRCH RD, SONOMA, CA 95476-7502 |
| Document Number | 0000050396 |
| Instrument Date | Jul 17, 2019 |
| Instrument | 2019050396 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 255 W NAPA ST STE L, L, SONOMA, CA 95476-6546 |
| Document Number | 0000050397 |
|---|---|
| Date | Jul 23, 2019 |
| Instrument | 2019050397 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Credit Union |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.45% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Aug 1, 2029 |
| Change Frequency | Monthly |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
The 2025 property tax bill for 20556 Birch Rd was $20,352.
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 | $1,333,040 (+2%) Land $501,981 Building $831,059 | |
| 2025 | $20,352.00 | $1,306,903 Land $492,139 Building $814,764 |
| 2023 | $19,266.00 (+3.17%) | $1,256,157 Land $473,030 Building $783,127 |
| 2022 | $18,674.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20556 Birch Rd in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.
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 | 7 in force |
| Nearby Flood Claims | 4 (1978–2005) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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 20556 Birch Rd is low, with less than 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 99.1% of the US · lower than 99.2% 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 195 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 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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