Sonoma County property record for 645 Joaquin Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,994 sqft · built 1986 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $747,000 (May 2017) |
| Tax Bill | $11,206 (2025) |
| Deeds & Mortgages | Nov 2022 Line of Credit Oct 2017 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 127-670-039-000 |
| Primary APN | 127-670-039-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,994 sqft Living Area |
| 1st Floor Area | 1,006 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,750 sqft (0.155 acres) |
| Garage Area | 480 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 127-670-039 |
|---|---|
| Street Address | 645 JOAQUIN DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-5979 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | 87 FM 127-152-78 PER MD |
| Legal Subdivision | OLSEN PARK SUBDIVISION |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 150205 |
645 Joaquin Dr is owned and occupied by two individuals who bought it in May 2017.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 645 JOAQUIN DR, SONOMA, CA 95476-5979 |
| 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.
| Date | Document |
|---|---|
| Nov 1, 2022 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Oct 3, 2017 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HM LOANS |
| May 4, 2017 | Grant Deed, Transfer · Conventional Mortgage PLANET HM LNDG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 4, 2017 · Amount on File |
| Deed Sale | May 4, 2017 · Amount on File |
| Prior Sale | Aug 21, 1997 · Amount on File |
| Deed Document Number | 201734785 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 645 JOAQUIN DR, SONOMA, CA 95476-5979 |
| Transaction Type | Mortgage |
| Record Updated | Nov 17, 2022 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|---|
| Address | 645 JOAQUIN DR, SONOMA, CA 95476-5979 |
| Document Number | 0000071733 |
|---|---|
| Date | Nov 1, 2022 |
| Instrument | 2022071733 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Oct 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 645 JOAQUIN DR, SONOMA, CA 95476-5979 |
| Document Number | 0000079061 |
| Instrument Date | Oct 3, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Nov 1, 2017 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 645 JOAQUIN DR SONOMA CA 954765979, SONOMA, CA 95476-5979 |
| Document Number | 0000079061 |
|---|---|
| Date | Oct 11, 2017 |
| Instrument | 79061 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 10, 2047 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | May 4, 2017 |
| Property Address | 645 JOAQUIN DR, SONOMA, CA 95476-5979 |
| Document Number | 0000034785 |
| Instrument Date | May 1, 2017 |
| Instrument | 34785 |
| Transaction Type | Transfer |
| Record Updated | Jun 8, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $821.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 645 JOAQUIN DR SONOMA CA 954765979, SONOMA, CA 95476-5979 |
| Document Number | 34786 |
|---|---|
| Date | May 4, 2017 |
| Instrument | 34786 |
| Name | PLANET HM LNDG |
|---|---|
| Address | MERIDEN, CT 06450 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 3, 2047 |
The 2025 property tax bill for 645 Joaquin Dr was $11,206.
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 | $876,001 (+2%) Land $350,400 Building $525,601 | |
| 2025 | $11,206.00 | $858,826 Land $343,530 Building $515,296 |
| 2023 | $10,630.00 (+0.79%) | $825,480 Land $330,192 Building $495,288 |
| 2022 | $10,547.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 645 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 645 Joaquin Dr is low, with a 0.03% 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 | 0.03% 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 477 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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