345 Semillon Ln, Santa Rosa, CA 95403 Property Records

Sonoma County property record for 345 Semillon Ln, Santa Rosa, CA 95403

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 1,746 sqft · built 2022
Lot Size	0.04 acres (1,746 sqft)
Owner	2 Individual Names on File
Last Sale	$773,500 (Jul 2023)
Tax Bill	$9,008 (2025)
Deeds & Mortgages	Jul 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`173-850-030-000`

Property Details

APN / Parcel Number

Primary APN	`173-850-030-000`
Alternative APN	`173-850-030`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	3 Stories
Building Area	1,746 sqft Living Area
Gross Area	2,202 sqft

Exterior

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

Location & Zoning

Old Parcel Number	173-850-030
Street Address	345 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 24 UNIT 137
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

Owner

Source: Sonoma County records · APN 173-850-030-000

Assessment roll updated April 13, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	345 SEMILLON LN, SANTA ROSA, CA 95403-2884
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 31, 2023 · Amount on Record
Deed Sale	Jul 31, 2023 · Amount on Record
Deed Document Number	202334910
Last Transfer Date	Jun 24, 2025
Transfer Doc	0000031838
Record Updated	Jun 08, 2026

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jul 31, 2023
Property Address	345 SEMILLON LN, SANTA ROSA, CA 95403-2884
Document Number	0000034910
Map Reference	MB 816 PG 2-6
Instrument Date	Jan 06, 2023
Instrument	2023034910
Transaction Type	Transfer
Record Updated	Aug 16, 2023
Title Company	FIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$2,398.85
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2695 SHADYWOOD RD, EXCELSIOR, MN 55331-9579

Mortgage

Document Number	0000034911
Date	Jul 31, 2023
Instrument	2023034911

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 01, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.12%
Type Change Date	Jul 01, 2033
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	10.1%
Index	1-Year T-Bill
Max Rate	10.1%

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

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	$9,008.00 (+426.78%)	$788,880 (+1,278.46%) Land $234,600 Building $554,280
2023	$1,710.00 (+163.48%)	$57,229 Land $57,229
2022	$649.00

Flood & Wildfire

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

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

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.

Internet Providers

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.

Drinking Water

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

Violations Reported to EPA

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.