Sonoma County property record for 643 Mill St, Santa Rosa, CA 95404
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 735 sqft · built 1925 |
| Lot Size | 0.11 acres (4,800 sqft) |
| Owner | Company Name on Record |
| Last Sale | $470,000 (Apr 2019) |
| Tax Bill | $6,008 (2025) |
| Deeds & Mortgages | Apr 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 009-262-026-000 |
| Primary APN | 009-262-026-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 735 sqft Living Area |
| 1st Floor Area | 735 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 4,800 sqft (0.11 acres) |
| Garage Type | Detached |
| Garage Area | 192 sqft |
| Cooling System | None |
|---|
| Old Parcel Number | 009-262-026 |
|---|---|
| Street Address | 643 MILL ST |
| City | SANTA ROSA |
| State | CA |
| Zip | 95404-5034 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYSR |
| Legal Description | WHEELERS ADD BLK 3 LOT 87 |
| Legal Subdivision | WHEELERS ADD |
| Legal Block | 3 |
| Legal Lot Number | 87 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SANTA ROSA |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 151900 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 643 MILL ST, SANTA ROSA, CA 95404-5034 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 22, 2019 · Amount on Record |
| Deed Sale | Apr 22, 2019 · Amount on Record |
| Prior Sale | Sep 30, 2014 · Amount on Record |
| Deed Document Number | 201926297 |
| Prior Transfer Date | Mar 15, 2004 |
| Prior Transfer Doc | 0000038857 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 22, 2019 |
| Property Address | 643 MILL ST, SANTA ROSA, CA 95404-5034 |
| Document Number | 0000026297 |
| Instrument Date | Apr 11, 2019 |
| Instrument | 26297 |
| Transaction Type | Transfer |
| Record Updated | May 7, 2019 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $517.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 643 MILL ST SANTA ROSA CA 954045034, SANTA ROSA, CA 95404-5034 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Santa Rosa City |
| Elementary School District | Santa Rosa Elementary School District (KG - 06) |
| Secondary School District | Santa Rosa High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $534,774 (+2%) Land $213,909 Building $320,865 | |
| 2025 | $6,008.00 (+3.04%) | $524,289 (+4.04%) Land $209,715 Building $314,574 |
| 2023 | $5,831.00 (+6.7%) | $503,931 Land $201,572 Building $302,359 |
| 2022 | $5,465.00 |
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 · 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 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 SANTA ROSA serves 178,452 people · EPA ID CA4910009 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2023 |
| Lead | 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 733 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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