Sonoma County property record for 321 Semillon Ln, Santa Rosa, CA 95403
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.5 ba · 1,912 sqft · built 2022 |
| Lot Size | 0.044 acres (1,912 sqft) |
| Owner | Individual Name on File |
| Last Sale | $729,500 (Jan 2023) |
| Tax Bill | $8,666 (2025) |
| Deeds & Mortgages | Jan 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 173-850-012-000 |
| Primary APN | 173-850-012-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 1,912 sqft Living Area |
| Gross Area | 2,393 sqft |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2023 |
| Architectural Style | Condo/Apartment |
| Lot Area | 1,912 sqft (0.044 acres) |
| Garage Type | Attached |
| Garage Area | 481 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 173-850-012 |
|---|---|
| Street Address | 321 SEMILLON LN |
| City | SANTA ROSA |
| State | CA |
| Zip | 95403-2884 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | PC |
| Legal Description | 2022 ROUND BARN VILLAGE CONDO BLDG 26 UNIT 147 |
| Legal Subdivision | ROUND BARN VILLAGE CONDO |
| Legal Block | 2 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SANTA ROSA |
| Census Block Group | 2 |
| Census Block | 2026 |
| Census Tract | 152402 |
Source: Sonoma County records · APN 173-850-012-000
Assessment roll updated April 13, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 SEMILLON LN, SANTA ROSA, CA 95403-2884 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 31, 2023 · Amount on Record |
| Deed Sale | Jan 31, 2023 · Amount on Record |
| Deed Document Number | 20234286 |
| Record Updated | Jun 08, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jan 31, 2023 |
| Property Address | 321 SEMILLON LN, SANTA ROSA, CA 95403-2884 |
| Document Number | 0000004286 |
| Map Reference | DOC 2021004059 |
| Instrument Date | Dec 23, 2022 |
| Instrument | 2023004286 |
| Transaction Type | Transfer |
| Record Updated | Feb 13, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,262.45 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 321 SEMILLON LN, SANTA ROSA, CA 95403-2884 |
| Document Number | 0000004287 |
|---|---|
| Date | Jan 31, 2023 |
| Instrument | 2023004287 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.62% |
| Type Change Date | Feb 01, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 9.62% |
| Index | 1-Year T-Bill |
| Max Rate | 9.62% |
Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 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) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,666.00 (+1,154.12%) | $758,897 (+1,226.07%) Land $228,888 Building $530,009 |
| 2023 | $691.00 (+6.47%) | $57,229 Land $57,229 |
| 2022 | $649.00 |
Source: FEMA National Flood Hazard Layer as of February 15, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 280 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF SANTA ROSA serves 178,452 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures