Sanitarium Rd, Saint Helena, CA Property Records

Napa County property records for 19 addresses on Sanitarium Rd, Saint Helena, CA · Last verified October 2026

Sanitarium Rd Highlights

Properties 19
Median Sale Price $740,000
Deeds and Mortgages on File 33
Median Price per Sqft $415
Owner Occupied 47%
Median Annual Tax Bill $5,041
Median Year Built 1946
Median Ownership Tenure 11 years

Properties on Sanitarium Rd

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

419 Sanitarium Rd

3 bd · 3 ba · 2,736 sqft · built 1987 · 1.57 acres

Last Sale Tax Bill Prior Sale Owner Records
$930,000Aug 2017 $4,8322025 —Feb 2014 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2025

451 Sanitarium Rd

15.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Jul 2002 $28,9072025 —Feb 2010 Owner on Record Owner Occupied AssessorUpdated Oct 2025

487 Sanitarium Rd

4 bd · 2 ba · 3,154 sqft · built 1880 · 5.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7002025 Owner on Record Owner Occupied AssessorUpdated Oct 2025

488 Sanitarium Rd

2 bd · 1 ba · 1,093 sqft · built 1910 · 0.387 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Dec 1999 $3,4622025 —Mar 2019 Owner on Record Assessor + 2 DocumentsUpdated Oct 2025

500 Sanitarium Rd

3 bd · 2 ba · 1,822 sqft · built 1985 · 0.444 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2019 $2,2792025 —Mar 2014 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

501 Sanitarium Rd

2 bd · 1 ba · 1,272 sqft · built 1981 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Apr 1992 $4,9862025 —Jan 2020 2 Owners on Record Assessor + 3 DocumentsUpdated Oct 2025

505 Sanitarium Rd

3 bd · 3 ba · 1,627 sqft · built 1984 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000Jun 2015 $8,0332025 Amount on Record May 2004 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

506 Sanitarium Rd

4 bd · 3 ba · 2,436 sqft · built 1900 · 0.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Feb 2022 $14,0792025 Amount on Record Apr 1995 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

509 Sanitarium Rd

4 bd · 3 ba · 1,820 sqft · built 1946 · 0.367 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Jul 2011 $4,2952025 Amount on Record Mar 2011 Owner on Record Owner Occupied AssessorUpdated Oct 2025

510 Sanitarium Rd

2 bd · 2.5 ba · 1,217 sqft · built 1900 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Jan 2013 $6,1622026 —Feb 2011 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

512 Sanitarium Rd

3 bd · 2 ba · 1,564 sqft · built 1938 · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Nov 2014 $8,2862025 —Jul 2010 2 Owners on Record AssessorUpdated Oct 2025

513 Sanitarium Rd

2 bd · 3 ba · 2,251 sqft · built 1947 · 0.542 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4522025 Owner on Record Owner Occupied AssessorUpdated Oct 2025

514 Sanitarium Rd

3 bd · 3 ba · 1,827 sqft · built 1938 · 0.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$755,000Nov 2025 $8,0232026 —Nov 2025 Owner on Record Assessor + 5 DocumentsUpdated Oct 2026

515 Sanitarium Rd

0.311 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5872025 —Jan 2021 Owner on Record Assessor + 2 DocumentsUpdated Oct 2025

516 Sanitarium Rd

2 bd · 1 ba · 816 sqft · built 1948 · 0.589 acres

Last Sale Tax Bill Prior Sale Owner Records
$615,000Feb 2024 $6,5932025 —Jul 2023 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

520 Sanitarium Rd

5,000 sqft · built 1910 · 2.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$24,6682025 Owner on Record Assessor + 4 DocumentsUpdated Apr 2026

527 Sanitarium Rd

2 bd · 1 ba · 994 sqft · built 1946 · 0.669 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2442026 —Jun 2017 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

536 Sanitarium Rd

0.717 acres

Last Sale Tax Bill Prior Sale Owner Records
$740,000Nov 2015 $9,2982025 —Aug 2015 Owner on Record Assessor + 1 DocumentUpdated Oct 2025

540 Sanitarium Rd

3 bd · 1 ba · 936 sqft · built 1948 · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Dec 2024 $5,0412025 Amount on Record Jun 2021 2 Owners on Record Assessor + 2 DocumentsUpdated Oct 2025

Property Records in Nearby Streets