Janssen Ln, Santa Rosa, CA Property Records

Sonoma County property records for 7 addresses on Janssen Ln, Santa Rosa, CA · Last verified August 2026

Janssen Ln Highlights

Properties 7
Median Sale Price $430,000
Deeds and Mortgages on File 15
Median Price per Sqft $310
Owner Occupied 71%
Median Annual Tax Bill $9,870
Median Year Built 1955
Median Ownership Tenure 8 years

Properties on Janssen Ln

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

3909 Janssen Ln

3 bd · 2.5 ba · 2,477 sqft · built 1950 · 0.674 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,950,000Nov 2020 $23,8292025 Amount on Record Aug 2018 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

3910 Janssen Ln

3 bd · 1 ba · 1,794 sqft · built 1947 · 3.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7842025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

3937 Janssen Ln

3 bd · 2.5 ba · 2,566 sqft · built 1958 · 1.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$680,000Jun 2002 $11,5662025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

3945 Janssen Ln

2 bd · 2 ba · 1,386 sqft · built 1950 · 0.688 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Sep 2013 $6,0102025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

3963 Janssen Ln

4 bd · 2 ba · 2,260 sqft · built 1956 · 0.661 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Dec 2021 $12,0792025 Amount on Record Sep 2021 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

3981 Janssen Ln

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$93,000Oct 2018 $1,2722025 1 Name on Record AssessorUpdated Apr 2026

3995 Janssen Ln

3 bd · 2 ba · 2,065 sqft · built 1955 · 0.724 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2018 $9,8702025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

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