Humboldt Ave, Sausalito, CA Property Records

Marin County property records for 8 addresses on Humboldt Ave, Sausalito, CA · Last verified August 2026

Humboldt Ave Highlights

Properties 8
Latest Sale $107,000 (Sep 1994)
Deeds and Mortgages on File 7
Average Living Area 1,039 sq ft
Owner Occupied 38%
Median Annual Tax Bill $4,942
Median Year Built 1931
Median Ownership Tenure 32 years

Properties on Humboldt Ave

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

501 Humboldt Ave

3,219 sqft · built 1983 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1983 $17,7232025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

505 Humboldt Ave

1 bd · 1 ba · 780 sqft · built 1995 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$107,000Sep 1994 $8,3812025 —Sep 1994 1 Name on Record AssessorUpdated Jul 2026

507 Humboldt Ave

1 bd · 1 ba · 348 sqft · built 1931 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2662025 1 Name on Record Assessor + 4 DocumentsUpdated Aug 2026

509 Humboldt Ave

1 bd · 1 ba · 588 sqft · built 1900 · 0.051 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2012 $4,3152025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

511 Humboldt Ave

1 bd · 1 ba · 448 sqft · built 1900 · 0.043 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9392025 —Dec 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

513 Humboldt Ave

2 bd · 1 ba · 814 sqft · built 1933 · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9422025 —Dec 2012 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

515 Humboldt Ave

0.058 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6032025 2 Names on Record AssessorUpdated Jul 2026

517 Humboldt Ave

2 bd · 2 ba · 1,078 sqft · built 1920 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4322025 2 Names on Record AssessorUpdated Jul 2026

Wildfire Risk on Humboldt Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets