Sonoma County property record for 20100 Broadway, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,492 sqft · built 1974 |
| Lot Size | 0.46 acres (20,038 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $450,000 (Mar 2003) |
| Tax Bill | $8,705 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 023-050-010-000 |
| Primary APN | 023-050-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,492 sqft Living Area |
| 1st Floor Area | 1,492 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 20,038 sqft (0.46 acres) |
| Garage Area | 550 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 023-050-010 |
|---|---|
| Street Address | 20100 BROADWAY |
| City | SONOMA |
| State | CA |
| Zip | 95476-7407 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1H |
| Legal Description | 74 FORM 23-050-01 C/W 23-050-09 M/D |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 150203 |
20100 Broadway is owned and occupied by two individuals who bought it in March 2003.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20100 BROADWAY, SONOMA, CA 95476-7407 |
| Occupancy | Owner Occupied |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 28, 2003 · Amount on File |
| Deed Sale | Mar 28, 2003 · Amount on File |
| Deed Document Number | 200360433 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20100 Broadway was $8,705 with a homeowner's exemption.
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Sonoma City |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $664,787 (+2%) Land $354,552 Building $310,235 | |
| 2025 | $8,705.00 Homeowner's exemption | $651,752 Land $347,600 Building $304,152 |
| 2023 | $8,224.00 (+1.67%) Homeowner's exemption | $626,446 Land $334,103 Building $292,343 |
| 2022 | $8,089.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20100 Broadway in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 AH, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| 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.
Wildfire risk around 20100 Broadway 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SONOMA serves 10,619 people · EPA ID CA4910012 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 ppb (2021–2023) 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 546 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
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