Sonoma County property record for 451 Semillon Ln, Santa Rosa, CA 95403
| Property Type | Residential Vacant Land |
|---|---|
| Details | 3 bd · 2.5 ba · 2,202 sqft · built 2022 |
| Lot Size | 0.04 acres (1,746 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $596,000 (Dec 2025) |
| Tax Bill | $7,719 (2025) |
| Deeds & Mortgages | Dec 2025 Sale Apr 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 173-850-050-000 |
| Primary APN | 173-850-050-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 3 Stories |
| Building Area | 2,202 sqft Gross Area |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2023 |
| Architectural Style | Condo/Apartment |
| Lot Area | 1,746 sqft (0.04 acres) |
| Garage Type | Attached |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 173-850-050 |
|---|---|
| Street Address | 451 SEMILLON LN |
| City | SANTA ROSA |
| State | CA |
| Zip | 95403-2886 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | PC |
| Legal Description | 2022 ROUND BARN VILLAGE CONDO BLDG 18 UNIT 106 |
| 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 |
451 Semillon Ln, residential vacant land, is owned by two individuals who bought it in December 2025.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4067 POLLED HEREFORD DR, SANTA ROSA, CA 95404-6257 |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Dec 1, 2025 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATL TITLE COMPANY |
| Apr 30, 2024 | Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 1, 2025 · Amount on File |
| Deed Sale | Dec 1, 2025 · Amount on File |
| Prior Sale | Apr 30, 2024 · Amount on File |
| Deed Document Number | 202561036 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Dec 1, 2025 |
| Property Address | 451 SEMILLON LN, SANTA ROSA, CA 95403-2886 |
| Document Number | 0000061036 |
| Map Reference | MB 816 PG 2-6 |
| Instrument Date | Nov 24, 2025 |
| Instrument | 2025061036 |
| Transaction Type | Transfer |
| Record Updated | Dec 10, 2025 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATL TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $1,847.60 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 4067 POLLED HEREFORD DR, SANTA ROSA, CA 95404-6257 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 30, 2024 |
| Property Address | 451 SEMILLON LN, SANTA ROSA, CA 95403-2886 |
| Document Number | 0000018474 |
| Map Reference | MB 816 PG 2-6 |
| Instrument Date | Apr 22, 2024 |
| Instrument | 2024018474 |
| Transaction Type | Transfer |
| Record Updated | May 16, 2024 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $2,079.55 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 810 HYDE ST APT 506, 506, SAN FRANCISCO, CA 94109-5924 |
The 2025 property tax bill for 451 Semillon Ln was $7,719.
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 | $595,650 (+900.42%) Land $180,000 Building $415,650 | |
| 2025 | $7,719.00 | $59,540 Land $59,540 |
| 2023 | $691.00 (+6.47%) | $57,229 Land $57,229 |
| 2022 | $649.00 |
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.
FEMA maps place 451 Semillon Ln in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 451 Semillon Ln is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 |
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 280 locations within half a mile, as of December 31, 2025
| 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.
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