Sonoma County property record for 503 Joaquin Dr, Sonoma, CA 95476
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 1 ba · 1,892 sqft · built 1970 |
| Lot Size | 0.137 acres (5,978 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $14,351 (2025) |
| Deeds & Mortgages | Dec 2025 Transfer Nov 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 127-471-002-000 |
| Primary APN | 127-471-002-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,892 sqft Living Area |
| Gross Area | 2,444 sqft |
| 1st Floor Area | 1,892 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,978 sqft (0.137 acres) |
| Garage Type | Attached |
| Garage Area | 552 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 127-471-002 |
|---|---|
| Street Address | 503 JOAQUIN DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-5955 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | LOT 2 VALLE DE ORO |
| Legal Subdivision | VALLE DE ORO |
| Legal Tract | 382 |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 150205 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 444 PATTEN ST, SONOMA, CA 95476-6734 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Dec 9, 2025 | Intrafamily Transfer, Transfer |
| Nov 10, 2025 | Grant Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 3, 2001 |
| Transfer Doc | 0000174992 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Dec 9, 2025 |
| Property Address | 503 JOAQUIN DR, SONOMA, CA 95476-5955 |
| Document Number | 0000062593 |
| Map Reference | MB 118 PG 41-43 |
| Instrument Date | Dec 3, 2025 |
| Instrument | 2025062593 |
| Transaction Type | Transfer |
| Record Updated | Dec 19, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 444 PATTEN ST, SONOMA, CA 95476-6734 |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Nov 10, 2025 |
| Property Address | 503 JOAQUIN DR, SONOMA, CA 95476-5955 |
| Document Number | 0000057646 |
| Map Reference | MB 118 PG 41-43 |
| Instrument Date | Nov 6, 2025 |
| Instrument | 2025057646 |
| Transaction Type | Transfer |
| Record Updated | Nov 19, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 444 PATTEN ST, SONOMA, CA 95476-6734 |
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 | $1,071,000 (+2%) Land $561,000 Building $510,000 | |
| 2025 | $14,351.00 (+106.31%) | $1,050,000 (+150.09%) Land $550,000 Building $500,000 |
| 2023 | $6,956.00 (+3.64%) | $419,849 Land $223,966 Building $195,883 |
| 2022 | $6,712.00 |
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
| 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.
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 329 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 | 100 / 20 |
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