Tranquilla Ave, Atascadero, CA Property Records

San Luis Obispo County property records for 26 addresses on Tranquilla Ave, Atascadero, CA · Last verified August 2026

Tranquilla Ave Highlights

Properties 26
Median Sale Price $675,000
Deeds and Mortgages on File 57
Median Price per Sqft $515
Owner Occupied 81%
Median Annual Tax Bill $5,992
Median Year Built 1966
Median Ownership Tenure 11 years

Properties on Tranquilla Ave

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

4000 Tranquilla Ave

3 bd · 2 ba · 1,261 sqft · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000Nov 2019 $6,1032025 Amount on Record Jun 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

4044 Tranquilla Ave

2 bd · 1 ba · 972 sqft · 0.197 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$501,000Jul 2021 $5,9922025 Amount on Record Mar 2021 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

4055 Tranquilla Ave

2 bd · 2 ba · 1,215 sqft · 0.153 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$365,000Jun 2015 $4,9302025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4060 Tranquilla Ave

3 bd · 2 ba · 1,080 sqft · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$126,000Aug 1994 $2,3372025 —Dec 1998 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4062 Tranquilla Ave

3 bd · 2 ba · 1,080 sqft · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9072025 1 Name on Record AssessorUpdated Aug 2026

4064 Tranquilla Ave

3 bd · 2 ba · 2,464 sqft · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1996 $8852025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4075 Tranquilla Ave

3 bd · 2 ba · 1,420 sqft · 0.573 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$117,000Oct 1997 $2,1332025 —Apr 2007 1 Name on Record AssessorUpdated Aug 2026

4125 Tranquilla Ave

3 bd · 2.5 ba · 1,427 sqft · 0.41 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$826,000Mar 2026 $8,8312025 Amount on Record Jan 2023 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

4155 Tranquilla Ave

3 bd · 2 ba · 1,320 sqft · 0.534 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$143,000Aug 1994 $2,6632025 —Mar 1995 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4160 Tranquilla Ave

3 bd · 1 ba · 1,500 sqft · 0.44 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$500,000Aug 2006 $7,6512025 Amount on Record Jun 2003 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

4195 Tranquilla Ave

3 bd · 2 ba · 1,914 sqft · 0.665 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$675,000Apr 2021 $8,2652025 —Sep 2004 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4200 Tranquilla Ave

5 bd · 4 ba · 2,463 sqft · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$882,000Mar 2025 $9,7232025 Amount on Record Apr 2021 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

4215 Tranquilla Ave

3 bd · 2 ba · 1,296 sqft · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$512,000May 2020 $6,3952025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4220 Tranquilla Ave

4 bd · 3 ba · 2,339 sqft · 0.399 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1998 $4,7422025 —Oct 2005 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4230 Tranquilla Ave

3 bd · 3 ba · 1,496 sqft · 0.374 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jun 2001 $4,3022025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4240 Tranquilla Ave

3 bd · 3 ba · 2,003 sqft · 0.449 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$219,000Dec 1991 $4,3432025 —Oct 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4245 Tranquilla Ave

3 bd · 2 ba · 1,555 sqft · 0.47 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$149,500Sep 1993 $2,8222025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4250 Tranquilla Ave

2 bd · 1 ba · 1,082 sqft · 0.46 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$659,000Sep 2024 $7,4472025 —Dec 2003 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

4255 Tranquilla Ave

2 bd · 2 ba · 1,248 sqft · 0.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$695,000Sep 2024 $7,8582025 Amount on Record Sep 2020 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

4285 Tranquilla Ave

2 bd · 2 ba · 864 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8402025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

4330 Tranquilla Ave

3 bd · 2 ba · 1,600 sqft · 0.657 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$385,000May 2004 $6,1722025 Amount on Record Mar 2003 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

4332 Tranquilla Ave

2 bd · 1 ba · 1,064 sqft · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2004 $3,3082025 2 Names on Record AssessorUpdated Oct 2025

4350 Tranquilla Ave

4 bd · 2 ba · 1,746 sqft · 0.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jun 2018 $7,9612025 Amount on Record Jan 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

4355 Tranquilla Ave

3 bd · 2 ba · 1,242 sqft · 0.41 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1999 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4425 Tranquilla Ave

4 bd · 2 ba · 1,920 sqft · 0.459 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$583,000Sep 2020 $7,2082025 Amount on Record Apr 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4455 Tranquilla Ave

3 bd · 2 ba · 1,213 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2021 $6,5142025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

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