Sonoma County property record for 542 Joaquin Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,248 sqft · built 1970 |
| Lot Size | 0.138 acres (6,006 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,000 (Jul 2020) |
| Tax Bill | $9,876 (2025) |
| Deeds & Mortgages | Jul 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 127-472-009-000 |
| Primary APN | 127-472-009-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,248 sqft Living Area |
| Gross Area | 1,703 sqft |
| 1st Floor Area | 1,248 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,006 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 455 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 127-472-009 |
|---|---|
| Street Address | 542 JOAQUIN DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-5954 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | LOT 9 BLK 2 VALLE DE ORO |
| Legal Subdivision | TRACT #382 VALLE DE ORO |
| Legal Block | 2 |
| Legal Lot Number | 9 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 150205 |
542 Joaquin Dr is owned and occupied by two individuals who bought it in July 2020.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 542 JOAQUIN DR, SONOMA, CA 95476-5954 |
| Occupancy | Owner Occupied |
| 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 28, 2020 · Amount on File |
| Deed Sale | Jul 28, 2020 · Amount on File |
| Prior Sale | Dec 5, 2014 · Amount on File |
| Deed Document Number | 202062719 |
| Prior Transfer Date | Jul 17, 2009 |
| Prior Transfer Doc | 0000078113 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jul 28, 2020 |
| Property Address | 542 JOAQUIN DR, SONOMA, CA 95476-5954 |
| Document Number | 0000062719 |
| Map Reference | MB 118 PG 42-43 |
| Instrument Date | Jul 23, 2020 |
| Instrument | 2020062719 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $770.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 542 JOAQUIN DR, SONOMA, CA 95476-5954 |
| Document Number | 0000062720 |
|---|---|
| Date | Jul 28, 2020 |
| Instrument | 2020062720 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2050 |
The 2025 property tax bill for 542 Joaquin Dr was $9,876.
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 | $772,854 (+2%) Land $309,141 Building $463,713 | |
| 2025 | $9,876.00 | $757,701 Land $303,080 Building $454,621 |
| 2023 | $9,450.00 (+1.59%) | $728,280 Land $291,312 Building $436,968 |
| 2022 | $9,302.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 542 Joaquin Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 542 Joaquin Dr is low, with a 0.02% annual chance of wildfire.
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 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 585 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 · Fiber in parts of the area | 100 / 20 |
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